diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..119a2bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+log/
+spec/dummy/log/
+spec/dummy/tmp/
+Gemfile.lock
diff --git a/.rspec b/.rspec
new file mode 100644
index 0000000..7a2cc1a
--- /dev/null
+++ b/.rspec
@@ -0,0 +1,3 @@
+--require spec_helper
+--format documentation
+--color
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..c46ae88
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,12 @@
+source "https://rubygems.org"
+
+gemspec
+
+gem "mysql2", "~> 0.5"
+
+group :development, :test do
+  gem "rspec-rails", "~> 7.0"
+  gem "factory_bot_rails"
+  gem "shoulda-matchers", "~> 6.0"
+  gem "debug", platforms: %i[mri windows]
+end
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..e8de9d4
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,8 @@
+require "bundler/setup"
+
+APP_RAKEFILE = File.expand_path("spec/dummy/Rakefile", __dir__)
+load "rails/tasks/engine.rake"
+
+require "rspec/core/rake_task"
+RSpec::Core::RakeTask.new(:spec)
+task default: :spec
diff --git a/app/dtos/warp_engine/file_result_dto.rb b/app/dtos/warp_engine/file_result_dto.rb
new file mode 100644
index 0000000..5cbe69c
--- /dev/null
+++ b/app/dtos/warp_engine/file_result_dto.rb
@@ -0,0 +1,15 @@
+module WarpEngine
+  class FileResultDto
+    attr_reader :type, :path, :url
+
+    def initialize(type:, path: nil, url: nil)
+      @type = type
+      @path = path
+      @url  = url
+    end
+
+    def self.file(path)    = new(type: :file,      path: path)
+    def self.redirect(url) = new(type: :redirect,  url: url)
+    def self.not_found     = new(type: :not_found)
+  end
+end
diff --git a/app/dtos/warp_engine/file_show_input_dto.rb b/app/dtos/warp_engine/file_show_input_dto.rb
new file mode 100644
index 0000000..e4e6adb
--- /dev/null
+++ b/app/dtos/warp_engine/file_show_input_dto.rb
@@ -0,0 +1,3 @@
+module WarpEngine
+  FileShowInputDto = Struct.new(:path, keyword_init: true)
+end
diff --git a/app/dtos/warp_engine/image_show_input_dto.rb b/app/dtos/warp_engine/image_show_input_dto.rb
new file mode 100644
index 0000000..65af195
--- /dev/null
+++ b/app/dtos/warp_engine/image_show_input_dto.rb
@@ -0,0 +1,3 @@
+module WarpEngine
+  ImageShowInputDto = Struct.new(:id, keyword_init: true)
+end
diff --git a/app/dtos/warp_engine/update_input_dto.rb b/app/dtos/warp_engine/update_input_dto.rb
new file mode 100644
index 0000000..7f64251
--- /dev/null
+++ b/app/dtos/warp_engine/update_input_dto.rb
@@ -0,0 +1,7 @@
+module WarpEngine
+  UpdateInputDto = Struct.new(:platform, :name, :version, keyword_init: true) do
+    def initialize(platform:, name:, version: nil)
+      super
+    end
+  end
+end
diff --git a/app/serializers/concerns/warp_engine/timestamp_fields.rb b/app/serializers/concerns/warp_engine/timestamp_fields.rb
new file mode 100644
index 0000000..0de9ca5
--- /dev/null
+++ b/app/serializers/concerns/warp_engine/timestamp_fields.rb
@@ -0,0 +1,6 @@
+module WarpEngine
+  module TimestampFields
+    GO_ZERO_TIME = "0001-01-01T00:00:00Z"
+    TS_FORMAT    = "%Y-%m-%dT%H:%M:%S.%3NZ"
+  end
+end
diff --git a/app/serializers/warp_engine/external_link_serializer.rb b/app/serializers/warp_engine/external_link_serializer.rb
new file mode 100644
index 0000000..f60b72c
--- /dev/null
+++ b/app/serializers/warp_engine/external_link_serializer.rb
@@ -0,0 +1,13 @@
+module WarpEngine
+  class ExternalLinkSerializer < Blueprinter::Base
+    include TimestampFields
+
+    field(:id)         { |el| el.id }
+    field(:createdAt)  { |el| el.created_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:updatedAt)  { |el| el.updated_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:deletedAt)  { |el| el.deleted_at&.utc&.strftime(TS_FORMAT) }
+    field(:softwareId) { |el| el.software_id }
+    field :label
+    field :url
+  end
+end
diff --git a/app/serializers/warp_engine/platform_link_serializer.rb b/app/serializers/warp_engine/platform_link_serializer.rb
new file mode 100644
index 0000000..f6ad273
--- /dev/null
+++ b/app/serializers/warp_engine/platform_link_serializer.rb
@@ -0,0 +1,6 @@
+module WarpEngine
+  class PlatformLinkSerializer < Blueprinter::Base
+    field :name
+    field :url
+  end
+end
diff --git a/app/serializers/warp_engine/release_serializer.rb b/app/serializers/warp_engine/release_serializer.rb
new file mode 100644
index 0000000..1ad2d3d
--- /dev/null
+++ b/app/serializers/warp_engine/release_serializer.rb
@@ -0,0 +1,39 @@
+module WarpEngine
+  class ReleaseSerializer < Blueprinter::Base
+    include TimestampFields
+
+    FILE_PATH_TO = "/file/"
+
+    # A lemezen tárolt asset-útvonalak publikus /file/ URL-lé írása configból.
+    def self.file_path_from
+      "#{WarpEngine.config.file_container_path.chomp("/")}/"
+    end
+
+    def self.assets_of(release)
+      release.association(:release_assets).loaded? ? release.release_assets : release.release_assets.to_a
+    end
+
+    def self.asset_path(release, kind)
+      asset = assets_of(release).find { |a| a.kind == kind }
+      asset ? asset.path.gsub(file_path_from, FILE_PATH_TO) : ""
+    end
+
+    field(:id)             { |r| r.id }
+    field(:createdAt)      { |r| r.created_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:updatedAt)      { |r| r.updated_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:deletedAt)      { |r| r.deleted_at&.utc&.strftime(TS_FORMAT) }
+    field(:softwareId)     { |r| r.software_id }
+    field :version
+    field(:cartridgePath)  { |r| asset_path(r, "cartridge") }
+    field(:sourcePath)     { |r| asset_path(r, "source") }
+    field(:htmlFolderPath) { |r| asset_path(r, "html") }
+    field(:docsFolderPath) { |r| asset_path(r, "docs") }
+    field(:assets) do |r|
+      assets_of(r).map { |a| { kind: a.kind, path: a.path.gsub(file_path_from, FILE_PATH_TO) } }
+    end
+    field(:downloadCount) do |r, opts|
+      counts = opts[:download_counts]
+      counts ? counts.fetch(r.id, 0) : r.downloads.count
+    end
+  end
+end
diff --git a/app/serializers/warp_engine/software_detail_serializer.rb b/app/serializers/warp_engine/software_detail_serializer.rb
new file mode 100644
index 0000000..d553be4
--- /dev/null
+++ b/app/serializers/warp_engine/software_detail_serializer.rb
@@ -0,0 +1,9 @@
+module WarpEngine
+  class SoftwareDetailSerializer < Blueprinter::Base
+    field(:software)           { |sw, _|    SoftwareSerializer.render_as_hash(sw) }
+    field(:releases)           { |_, opts|  ReleaseSerializer.render_as_hash(opts[:releases], download_counts: opts[:download_counts]) }
+    field(:latestRelease)      { |_, opts|  opts[:latest]       ? ReleaseSerializer.render_as_hash(opts[:latest], download_counts: opts[:download_counts])       : nil }
+    field(:webPlayableRelease) { |_, opts|  opts[:web_playable] ? ReleaseSerializer.render_as_hash(opts[:web_playable], download_counts: opts[:download_counts]) : nil }
+    field(:totalDownloads)     { |_, opts|  opts[:total_downloads] || 0 }
+  end
+end
diff --git a/app/serializers/warp_engine/software_serializer.rb b/app/serializers/warp_engine/software_serializer.rb
new file mode 100644
index 0000000..069a472
--- /dev/null
+++ b/app/serializers/warp_engine/software_serializer.rb
@@ -0,0 +1,30 @@
+module WarpEngine
+  class SoftwareSerializer < Blueprinter::Base
+    include TimestampFields
+
+    field(:id)           { |sw| sw.id }
+    field(:createdAt)    { |sw| sw.created_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:updatedAt)    { |sw| sw.updated_at&.utc&.strftime(TS_FORMAT) || GO_ZERO_TIME }
+    field(:deletedAt)    { |sw| sw.deleted_at&.utc&.strftime(TS_FORMAT) }
+    field :name
+    field :title
+    field :author
+    field(:desc)         { |sw| sw.desc.to_s }
+    field(:story)        { |sw| sw.story.to_s }
+    field(:license)      { |sw| sw.license.to_s }
+    field :platform
+    field :status
+    field(:highlighted)  { |sw| sw.highlighted ? true : false }
+    field(:externalLinks) { |sw| ExternalLinkSerializer.render_as_hash(sw.external_links) }
+    field(:platformLinks) { |sw| PlatformLinkSerializer.render_as_hash(WarpEngine::PlatformLink.for_platform(sw.platform)) }
+    field(:imageUrl) { |sw|
+      si = sw.software_images.detect(&:is_default?) || sw.software_images.first
+      si ? "/api/image/#{si.image_id}" : nil
+    }
+    field(:images) { |sw|
+      sw.software_images.map { |si|
+        { url: "/api/image/#{si.image_id}", isDefault: si.is_default?, position: si.position }
+      }
+    }
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/archive_extraction.rb b/app/services/concerns/warp_engine/software_updater/archive_extraction.rb
new file mode 100644
index 0000000..1c8ec46
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/archive_extraction.rb
@@ -0,0 +1,47 @@
+require "zip"
+require "fileutils"
+
+module WarpEngine
+  module SoftwareUpdater
+    module ArchiveExtraction
+      private
+
+      def base_path
+        @base_path ||= WarpEngine.config.file_container_path
+      end
+
+      def full_path(filename)
+        File.join(base_path, filename)
+      end
+
+      def dir_exists?(dirname)
+        File.directory?(full_path(dirname))
+      end
+
+      def delete_dir(dirname)
+        FileUtils.rm_rf(full_path(dirname))
+      end
+
+      def create_dir(dirname)
+        FileUtils.mkdir_p(full_path(dirname))
+      end
+
+      def unzip_file(zip_filename, dest_dirname)
+        dest = full_path(dest_dirname)
+        Zip::File.open(full_path(zip_filename)) do |zip|
+          zip.each do |entry|
+            entry_dest = File.join(dest, entry.name)
+            FileUtils.mkdir_p(File.dirname(entry_dest))
+            entry.extract(entry_dest) { true }
+          end
+        end
+      end
+
+      def extract_zip_to_dir(zip_file, dir_name)
+        delete_dir(dir_name) if dir_exists?(dir_name)
+        create_dir(dir_name)
+        unzip_file(zip_file, dir_name)
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_cartridge.rb b/app/services/concerns/warp_engine/software_updater/builds/build_cartridge.rb
new file mode 100644
index 0000000..ff4ada6
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_cartridge.rb
@@ -0,0 +1,24 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildCartridge
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "cartridge"
+        end
+
+        def cartridge_ext
+          raise NotImplementedError, "#{self.class} must implement #cartridge_ext"
+        end
+
+        private
+
+        def cartridge_asset_path(versioned)
+          path = full_path("#{versioned}#{cartridge_ext}")
+          { "cartridge" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_docs.rb b/app/services/concerns/warp_engine/software_updater/builds/build_docs.rb
new file mode 100644
index 0000000..a9f42eb
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_docs.rb
@@ -0,0 +1,26 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildDocs
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "docs"
+          register_prepare_step :prepare_docs
+        end
+
+        private
+
+        def prepare_docs(versioned)
+          docs_zip = "#{versioned}-docs.zip"
+          extract_zip_to_dir(docs_zip, "#{versioned}-docs") if File.file?(full_path(docs_zip))
+        end
+
+        def docs_asset_path(versioned)
+          docs_dir = "#{versioned}-docs"
+          { "docs" => full_path(docs_dir) } if dir_exists?(docs_dir)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_linux_x64.rb b/app/services/concerns/warp_engine/software_updater/builds/build_linux_x64.rb
new file mode 100644
index 0000000..f53406b
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_linux_x64.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildLinuxX64
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "linux_x64"
+        end
+
+        private
+
+        def linux_x64_asset_path(versioned)
+          path = full_path("#{versioned}-linux-x64.zip")
+          { "linux_x64" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_mac_arm64.rb b/app/services/concerns/warp_engine/software_updater/builds/build_mac_arm64.rb
new file mode 100644
index 0000000..17d3c55
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_mac_arm64.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildMacArm64
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "mac_arm64"
+        end
+
+        private
+
+        def mac_arm64_asset_path(versioned)
+          path = full_path("#{versioned}-mac-arm64.zip")
+          { "mac_arm64" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_mac_universal.rb b/app/services/concerns/warp_engine/software_updater/builds/build_mac_universal.rb
new file mode 100644
index 0000000..003022a
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_mac_universal.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildMacUniversal
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "mac_universal"
+        end
+
+        private
+
+        def mac_universal_asset_path(versioned)
+          path = full_path("#{versioned}-mac-universal.zip")
+          { "mac_universal" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_mac_x64.rb b/app/services/concerns/warp_engine/software_updater/builds/build_mac_x64.rb
new file mode 100644
index 0000000..eafa2bb
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_mac_x64.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildMacX64
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "mac_x64"
+        end
+
+        private
+
+        def mac_x64_asset_path(versioned)
+          path = full_path("#{versioned}-mac-x64.zip")
+          { "mac_x64" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_source.rb b/app/services/concerns/warp_engine/software_updater/builds/build_source.rb
new file mode 100644
index 0000000..04c8b99
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_source.rb
@@ -0,0 +1,24 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildSource
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "source"
+        end
+
+        def source_ext
+          raise NotImplementedError, "#{self.class} must implement #source_ext"
+        end
+
+        private
+
+        def source_asset_path(versioned)
+          path = full_path("#{versioned}#{source_ext}")
+          { "source" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_web.rb b/app/services/concerns/warp_engine/software_updater/builds/build_web.rb
new file mode 100644
index 0000000..185851c
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_web.rb
@@ -0,0 +1,25 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildWeb
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "html"
+          register_prepare_step :prepare_web
+        end
+
+        private
+
+        def prepare_web(versioned)
+          extract_zip_to_dir("#{versioned}.html.zip", versioned)
+        end
+
+        def html_asset_path(versioned)
+          path = full_path(versioned)
+          { "html" => path } if dir_exists?(versioned)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_win_x64.rb b/app/services/concerns/warp_engine/software_updater/builds/build_win_x64.rb
new file mode 100644
index 0000000..7ffaeb8
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_win_x64.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildWinX64
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "win_x64"
+        end
+
+        private
+
+        def win_x64_asset_path(versioned)
+          path = full_path("#{versioned}-win-x64.zip")
+          { "win_x64" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/builds/build_win_x86.rb b/app/services/concerns/warp_engine/software_updater/builds/build_win_x86.rb
new file mode 100644
index 0000000..ab1750f
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/builds/build_win_x86.rb
@@ -0,0 +1,20 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Builds
+      module BuildWinX86
+        extend ActiveSupport::Concern
+
+        included do
+          register_expected_kind "win_x86"
+        end
+
+        private
+
+        def win_x86_asset_path(versioned)
+          path = full_path("#{versioned}-win-x86.zip")
+          { "win_x86" => path } if File.file?(path)
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/metadata_parsing.rb b/app/services/concerns/warp_engine/software_updater/metadata_parsing.rb
new file mode 100644
index 0000000..805cc43
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/metadata_parsing.rb
@@ -0,0 +1,16 @@
+require "json"
+
+module WarpEngine
+  module SoftwareUpdater
+    module MetadataParsing
+      METADATA_KEYS = %i[name title author desc site repo license].freeze
+
+      private
+
+      def parse_json_metadata(path)
+        raw = JSON.parse(File.read(path), symbolize_names: true)
+        raw.slice(*METADATA_KEYS)
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/software_persistence.rb b/app/services/concerns/warp_engine/software_updater/software_persistence.rb
new file mode 100644
index 0000000..5fc87e5
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/software_persistence.rb
@@ -0,0 +1,38 @@
+module WarpEngine
+  module SoftwareUpdater
+    module SoftwarePersistence
+      private
+
+      def update_or_create_software(attrs)
+        software = WarpEngine::Software.unscoped.find_or_initialize_by(name: attrs[:name])
+        software.assign_attributes(attrs.except(:name))
+        software.deleted_at = nil
+        software.save!
+        software
+      end
+
+      def upsert_external_link(software_id, label, url)
+        link = WarpEngine::ExternalLink.unscoped.find_or_initialize_by(software_id: software_id, label: label)
+        link.url = url
+        link.deleted_at = nil
+        link.save!
+      end
+
+      def create_release_if_not_exists(attrs)
+        existing = WarpEngine::Release.unscoped.find_by(software_id: attrs[:software_id], version: attrs[:version])
+        return existing if existing
+
+        WarpEngine::Release.create!(attrs)
+      end
+
+      def sync_release_assets(release, kind_paths)
+        kind_paths.each do |kind, path|
+          asset = WarpEngine::ReleaseAsset.unscoped.find_or_initialize_by(release_id: release.id, kind: kind)
+          asset.path = path
+          asset.deleted_at = nil
+          asset.save!
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/concerns/warp_engine/software_updater/updatable.rb b/app/services/concerns/warp_engine/software_updater/updatable.rb
new file mode 100644
index 0000000..ce2646a
--- /dev/null
+++ b/app/services/concerns/warp_engine/software_updater/updatable.rb
@@ -0,0 +1,74 @@
+module WarpEngine
+  module SoftwareUpdater
+    module Updatable
+      extend ActiveSupport::Concern
+      include ArchiveExtraction
+      include MetadataParsing
+      include SoftwarePersistence
+
+      class_methods do
+        def platform(value = nil)
+          @platform = value if value
+          @platform ||= name.demodulize.delete_suffix("Service").downcase
+        end
+
+        def label(value = nil)
+          @label = value if value
+          @label ||= platform.titleize
+        end
+
+        def expected_kinds
+          @expected_kinds ||= []
+        end
+
+        def register_expected_kind(kind)
+          expected_kinds << kind unless expected_kinds.include?(kind)
+        end
+
+        def prepare_steps
+          @prepare_steps ||= []
+        end
+
+        def register_prepare_step(method_name)
+          prepare_steps << method_name unless prepare_steps.include?(method_name)
+        end
+      end
+
+      def update(name, version)
+        versioned = "#{name}-#{version}"
+        prepare_files(versioned)
+
+        metadata = parse_metadata(versioned)
+        site_url = metadata.delete(:site)
+        repo_url = metadata.delete(:repo)
+
+        ActiveRecord::Base.transaction do
+          software = update_or_create_software(metadata.merge(platform: self.class.platform))
+          upsert_external_link(software.id, "Source Code", site_url) if site_url.present?
+          upsert_external_link(software.id, "Repository", repo_url) if repo_url.present?
+
+          release = create_release_if_not_exists(software_id: software.id, version: version)
+          sync_release_assets(release, collect_asset_paths(versioned))
+          release
+        end
+      end
+
+      private
+
+      def prepare_files(versioned)
+        self.class.prepare_steps.each { |step| send(step, versioned) }
+      end
+
+      def parse_metadata(versioned)
+        parse_json_metadata(full_path("#{versioned}.metadata.json"))
+      end
+
+      def collect_asset_paths(versioned)
+        self.class.expected_kinds.each_with_object({}) do |kind, hash|
+          result = send(:"#{kind}_asset_path", versioned)
+          hash.merge!(result) if result
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/warp_engine/builds_service.rb b/app/services/warp_engine/builds_service.rb
new file mode 100644
index 0000000..270c41b
--- /dev/null
+++ b/app/services/warp_engine/builds_service.rb
@@ -0,0 +1,39 @@
+module WarpEngine
+  class BuildsService
+    def index
+      platforms = WarpEngine::PlatformLink::SUPPORTED_PLATFORMS.each_with_object({}) do |platform, hash|
+        service_class = "WarpEngine::SoftwareUpdater::#{platform.camelize}Service".constantize
+        hash[platform] = {
+          label: service_class.label,
+          kinds: service_class.expected_kinds
+        }
+      end
+
+      all_kinds = WarpEngine::ReleaseAsset::KINDS
+
+      { platforms: platforms, allKinds: all_kinds }
+    end
+
+    def show(name)
+      software = WarpEngine::Software.find_by!(name: name)
+      service_class = "WarpEngine::SoftwareUpdater::#{software.platform.camelize}Service".constantize
+      expected = service_class.expected_kinds
+
+      releases = software.releases.includes(:release_assets).order(updated_at: :desc)
+
+      release_data = releases.each_with_object({}) do |release, hash|
+        actual = release.release_assets.map(&:kind)
+        hash[release.version] = {
+          actual: actual,
+          missing: expected - actual
+        }
+      end
+
+      {
+        platform: software.platform,
+        expected: expected,
+        releases: release_data
+      }
+    end
+  end
+end
diff --git a/app/services/warp_engine/download_service.rb b/app/services/warp_engine/download_service.rb
new file mode 100644
index 0000000..f21f473
--- /dev/null
+++ b/app/services/warp_engine/download_service.rb
@@ -0,0 +1,34 @@
+module WarpEngine
+  class DownloadService
+    def self.container_base
+      WarpEngine.config.file_container_path
+    end
+
+    # Lazy: a container path csak az első használatkor kötelező, boot/teszt közben nem.
+    def self.base_path
+      Pathname.new(container_base).realpath
+    end
+
+    def create(path:, ip:, user_agent:, referer:)
+      sanitized = path.to_s
+      base_path = self.class.base_path
+      full_path = base_path.join(sanitized).realpath
+      return nil unless full_path.to_s.start_with?(base_path.to_s)
+      return nil unless File.file?(full_path)
+
+      escaped = sanitized.gsub("%", "\\%").gsub("_", "\\_")
+      asset = WarpEngine::ReleaseAsset.find_by(path: File.join(self.class.container_base, sanitized)) ||
+              WarpEngine::ReleaseAsset.where("path LIKE ?", "%#{escaped}%").first
+
+      WarpEngine::Download.create!(
+        file_path: sanitized,
+        release: asset&.release,
+        ip_address: ip,
+        user_agent: user_agent&.truncate(500),
+        referer: referer&.truncate(500)
+      )
+
+      full_path
+    end
+  end
+end
diff --git a/app/services/warp_engine/file_manager_service.rb b/app/services/warp_engine/file_manager_service.rb
new file mode 100644
index 0000000..59e52e7
--- /dev/null
+++ b/app/services/warp_engine/file_manager_service.rb
@@ -0,0 +1,93 @@
+module WarpEngine
+  class FileManagerService
+    # Lazy: a container path csak az első használatkor kötelező, boot/teszt közben nem.
+    def base_path
+      @base_path ||= Pathname.new(WarpEngine.config.file_container_path)
+    end
+
+    def list(relative_path = "")
+      full = safe_path!(relative_path)
+      raise ArgumentError, "Not a directory" unless full.directory?
+
+      entries = full.children.sort_by { |c| [ c.directory? ? 0 : 1, c.basename.to_s.downcase ] }
+      entries.map do |child|
+        stat = child.stat
+        {
+          name:  child.basename.to_s,
+          path:  child.relative_path_from(base_path).to_s,
+          type:  child.directory? ? :directory : :file,
+          size:  child.directory? ? nil : stat.size,
+          mtime: stat.mtime
+        }
+      end
+    end
+
+    MAX_UPLOAD_SIZE = 100 * 1024 * 1024 # 100MB
+
+    def upload(relative_dir, uploaded_file)
+      raise ArgumentError, "File too large (max 100MB)" if uploaded_file.size > MAX_UPLOAD_SIZE
+      dir = safe_path!(relative_dir)
+      raise ArgumentError, "Not a directory" unless dir.directory?
+
+      safe_name = sanitize_name(uploaded_file.original_filename)
+      target = dir.join(safe_name)
+      raise ArgumentError, "Path escape" unless target.to_s.start_with?(base_path.to_s)
+
+      IO.copy_stream(uploaded_file.to_io, target.to_s)
+      target.relative_path_from(base_path).to_s
+    end
+
+    def delete(relative_path)
+      full = safe_path!(relative_path)
+      raise ArgumentError, "Cannot delete root" if full == base_path
+
+      if full.directory?
+        full.rmdir
+      else
+        full.delete
+      end
+    end
+
+    def rename(relative_path, new_name)
+      full = safe_path!(relative_path)
+      raise ArgumentError, "Cannot rename root" if full == base_path
+
+      safe_name = sanitize_name(new_name)
+      new_full = full.parent.join(safe_name)
+      raise ArgumentError, "Path escape" unless new_full.to_s.start_with?(base_path.to_s)
+
+      full.rename(new_full)
+      new_full.relative_path_from(base_path).to_s
+    end
+
+    def mkdir(relative_path, folder_name)
+      parent = safe_path!(relative_path)
+      raise ArgumentError, "Not a directory" unless parent.directory?
+
+      safe_name = sanitize_name(folder_name)
+      new_dir = parent.join(safe_name)
+      raise ArgumentError, "Path escape" unless new_dir.to_s.start_with?(base_path.to_s)
+
+      new_dir.mkdir
+      new_dir.relative_path_from(base_path).to_s
+    end
+
+    private
+
+    def safe_path!(relative_path)
+      cleaned = relative_path.to_s.gsub("..", "").squeeze("/").gsub(%r{^/|/$}, "")
+      full = base_path.join(cleaned)
+      resolved = full.exist? ? full.realpath : full.cleanpath
+      unless resolved.to_s.start_with?(base_path.to_s)
+        raise ArgumentError, "Path traversal detected"
+      end
+      resolved
+    end
+
+    def sanitize_name(name)
+      name.to_s.gsub("..", "").gsub("/", "").gsub("\\", "").strip.tap do |n|
+        raise ArgumentError, "Invalid name" if n.blank?
+      end
+    end
+  end
+end
diff --git a/app/services/warp_engine/file_service.rb b/app/services/warp_engine/file_service.rb
new file mode 100644
index 0000000..d50191e
--- /dev/null
+++ b/app/services/warp_engine/file_service.rb
@@ -0,0 +1,35 @@
+module WarpEngine
+  class FileService
+    # Lazy: a container path csak az első használatkor kötelező, boot/teszt közben nem.
+    def self.base_path
+      Pathname.new(WarpEngine.config.file_container_path).realpath
+    end
+
+    def show(input)
+      full_path = base_path.join(input.path.to_s)
+      return FileResultDto.not_found unless safe_path?(full_path)
+
+      if File.directory?(full_path)
+        index_path = full_path.join("index.html")
+        return FileResultDto.not_found unless File.file?(index_path)
+        return FileResultDto.redirect("/file/#{input.path.to_s.chomp("/")}/index.html")
+      end
+
+      if File.file?(full_path)
+        FileResultDto.file(full_path)
+      else
+        FileResultDto.not_found
+      end
+    end
+
+    private
+
+    def base_path
+      @base_path ||= self.class.base_path
+    end
+
+    def safe_path?(path)
+      File.exist?(path) && Pathname.new(path).realpath.to_s.start_with?(base_path.to_s)
+    end
+  end
+end
diff --git a/app/services/warp_engine/image_service.rb b/app/services/warp_engine/image_service.rb
new file mode 100644
index 0000000..69be38d
--- /dev/null
+++ b/app/services/warp_engine/image_service.rb
@@ -0,0 +1,7 @@
+module WarpEngine
+  class ImageService
+    def show(input)
+      WarpEngine::Image.find(input.id)
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_highlighted_service.rb b/app/services/warp_engine/software_highlighted_service.rb
new file mode 100644
index 0000000..b898109
--- /dev/null
+++ b/app/services/warp_engine/software_highlighted_service.rb
@@ -0,0 +1,16 @@
+module WarpEngine
+  class SoftwareHighlightedService
+    include SoftwareResponseBuilder
+
+    def index
+      software = WarpEngine::Software.includes(:external_links, :software_images)
+                         .where(highlighted: true)
+                         .order(id: :desc)
+                         .first
+      return nil unless software
+
+      releases = WarpEngine::Release.includes(:release_assets).where(software_id: software.id).to_a
+      build_response(software, releases, download_counts_for(releases.map(&:id)))
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_response_builder.rb b/app/services/warp_engine/software_response_builder.rb
new file mode 100644
index 0000000..a895ef1
--- /dev/null
+++ b/app/services/warp_engine/software_response_builder.rb
@@ -0,0 +1,27 @@
+module WarpEngine
+  module SoftwareResponseBuilder
+    private
+
+    def build_response(software, releases, download_counts)
+      sorted = releases.sort_by { |r| r.created_at || Time.at(0) }.reverse
+      latest = sorted.reject { |r| r.version.to_s.start_with?("dev-") }.first
+      # web-playable, ha az utolsó (stabil) release-nek van webes assetje
+      web_playable = latest if latest&.release_assets&.any? { |a| a.kind == "html" }
+      total_downloads = releases.sum { |r| download_counts.fetch(r.id, 0) }
+
+      SoftwareDetailSerializer.render_as_hash(software,
+        releases:        sorted,
+        latest:          latest,
+        web_playable:    web_playable,
+        total_downloads: total_downloads,
+        download_counts: download_counts
+      )
+    end
+
+    # Egyetlen csoportosított lekérdezés release-enkénti letöltésszámokhoz (N+1 helyett).
+    def download_counts_for(release_ids)
+      return {} if release_ids.empty?
+      WarpEngine::Download.where(release_id: release_ids).group(:release_id).count
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_service.rb b/app/services/warp_engine/software_service.rb
new file mode 100644
index 0000000..45b2174
--- /dev/null
+++ b/app/services/warp_engine/software_service.rb
@@ -0,0 +1,11 @@
+module WarpEngine
+  class SoftwareService
+    include SoftwareResponseBuilder
+
+    def index
+      softwares = WarpEngine::Software.includes(releases: [ :release_assets ]).includes(:external_links, :software_images).all
+      counts = download_counts_for(softwares.flat_map { |sw| sw.releases.map(&:id) })
+      { softwares: softwares.map { |sw| build_response(sw, sw.releases.to_a, counts) } }
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/bevy_service.rb b/app/services/warp_engine/software_updater/bevy_service.rb
new file mode 100644
index 0000000..d6a6683
--- /dev/null
+++ b/app/services/warp_engine/software_updater/bevy_service.rb
@@ -0,0 +1,12 @@
+module WarpEngine
+  module SoftwareUpdater
+    class BevyService
+      include Updatable
+      include Builds::BuildWeb
+      include Builds::BuildWinX64
+      include Builds::BuildLinuxX64
+
+      label "Bevy"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/c64_service.rb b/app/services/warp_engine/software_updater/c64_service.rb
new file mode 100644
index 0000000..978422a
--- /dev/null
+++ b/app/services/warp_engine/software_updater/c64_service.rb
@@ -0,0 +1,12 @@
+module WarpEngine
+  module SoftwareUpdater
+    class C64Service
+      include Updatable
+      include Builds::BuildCartridge
+
+      label "C64"
+
+      def cartridge_ext = ".prg"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/ebitengine_service.rb b/app/services/warp_engine/software_updater/ebitengine_service.rb
new file mode 100644
index 0000000..4109562
--- /dev/null
+++ b/app/services/warp_engine/software_updater/ebitengine_service.rb
@@ -0,0 +1,15 @@
+module WarpEngine
+  module SoftwareUpdater
+    class EbitengineService
+      include Updatable
+      include Builds::BuildWeb
+      include Builds::BuildWinX86
+      include Builds::BuildWinX64
+      include Builds::BuildLinuxX64
+      include Builds::BuildMacX64
+      include Builds::BuildMacArm64
+
+      label "Ebitengine"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/godot_service.rb b/app/services/warp_engine/software_updater/godot_service.rb
new file mode 100644
index 0000000..4a72a55
--- /dev/null
+++ b/app/services/warp_engine/software_updater/godot_service.rb
@@ -0,0 +1,14 @@
+module WarpEngine
+  module SoftwareUpdater
+    class GodotService
+      include Updatable
+      include Builds::BuildWeb
+      include Builds::BuildWinX86
+      include Builds::BuildWinX64
+      include Builds::BuildLinuxX64
+      include Builds::BuildMacUniversal
+
+      label "Godot"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/love_service.rb b/app/services/warp_engine/software_updater/love_service.rb
new file mode 100644
index 0000000..667ce4b
--- /dev/null
+++ b/app/services/warp_engine/software_updater/love_service.rb
@@ -0,0 +1,13 @@
+module WarpEngine
+  module SoftwareUpdater
+    class LoveService
+      include Updatable
+      include Builds::BuildWeb
+      include Builds::BuildWinX64
+      include Builds::BuildLinuxX64
+      include Builds::BuildMacUniversal
+
+      label "LÖVE"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/phaser_service.rb b/app/services/warp_engine/software_updater/phaser_service.rb
new file mode 100644
index 0000000..3beb402
--- /dev/null
+++ b/app/services/warp_engine/software_updater/phaser_service.rb
@@ -0,0 +1,10 @@
+module WarpEngine
+  module SoftwareUpdater
+    class PhaserService
+      include Updatable
+      include Builds::BuildWeb
+
+      label "Phaser"
+    end
+  end
+end
diff --git a/app/services/warp_engine/software_updater/tic80_service.rb b/app/services/warp_engine/software_updater/tic80_service.rb
new file mode 100644
index 0000000..2eaa6f0
--- /dev/null
+++ b/app/services/warp_engine/software_updater/tic80_service.rb
@@ -0,0 +1,38 @@
+module WarpEngine
+  module SoftwareUpdater
+    class Tic80Service
+      include Updatable
+      include Builds::BuildCartridge
+      include Builds::BuildSource
+      include Builds::BuildWeb
+      include Builds::BuildDocs
+      include Builds::BuildWinX64
+      include Builds::BuildLinuxX64
+      include Builds::BuildMacX64
+
+      label "TIC-80"
+
+      def cartridge_ext = ".tic"
+      def source_ext = ".lua"
+
+      private
+
+      def parse_metadata(versioned)
+        parse_lua_metadata(full_path("#{versioned}.lua"))
+      end
+
+      def parse_lua_metadata(source_path)
+        metadata = {}
+        File.foreach(source_path) do |line|
+          break unless line.start_with?("--")
+          parts = line[2..].split(":", 2)
+          next if parts.length != 2
+          key   = parts[0].strip.downcase.to_sym
+          value = parts[1].strip
+          metadata[key] = value
+        end
+        metadata.slice(*MetadataParsing::METADATA_KEYS)
+      end
+    end
+  end
+end
diff --git a/app/services/warp_engine/update_service.rb b/app/services/warp_engine/update_service.rb
new file mode 100644
index 0000000..5a498ec
--- /dev/null
+++ b/app/services/warp_engine/update_service.rb
@@ -0,0 +1,11 @@
+module WarpEngine
+  class UpdateService
+    def update(input)
+      unless WarpEngine::PlatformLink::SUPPORTED_PLATFORMS.include?(input.platform)
+        raise ArgumentError, "Unsupported platform: #{input.platform}"
+      end
+
+      "WarpEngine::SoftwareUpdater::#{input.platform.camelize}Service".constantize.new.update(input.name, input.version)
+    end
+  end
+end
diff --git a/lib/warp_engine.rb b/lib/warp_engine.rb
index a396622..8ca83e8 100644
--- a/lib/warp_engine.rb
+++ b/lib/warp_engine.rb
@@ -1,3 +1,5 @@
+require "blueprinter"
+
 require "warp_engine/version"
 require "warp_engine/configuration"
 
diff --git a/spec/dummy/Rakefile b/spec/dummy/Rakefile
new file mode 100644
index 0000000..7820749
--- /dev/null
+++ b/spec/dummy/Rakefile
@@ -0,0 +1,2 @@
+require_relative "config/application"
+Rails.application.load_tasks
diff --git a/spec/dummy/config.ru b/spec/dummy/config.ru
new file mode 100644
index 0000000..5c59c6f
--- /dev/null
+++ b/spec/dummy/config.ru
@@ -0,0 +1,4 @@
+require_relative "config/environment"
+
+run Rails.application
+Rails.application.load_server
diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
new file mode 100644
index 0000000..616833d
--- /dev/null
+++ b/spec/dummy/config/application.rb
@@ -0,0 +1,23 @@
+require_relative "boot"
+
+require "rails"
+require "active_model/railtie"
+require "active_record/railtie"
+require "action_controller/railtie"
+require "action_view/railtie"
+require "action_dispatch/railtie"
+
+Bundler.require(*Rails.groups)
+require "warp_engine"
+
+module Dummy
+  class Application < Rails::Application
+    config.load_defaults 8.0
+    config.eager_load = false
+
+    config.time_zone = "UTC"
+    config.active_record.default_timezone = :utc
+
+    config.hosts.clear
+  end
+end
diff --git a/spec/dummy/config/boot.rb b/spec/dummy/config/boot.rb
new file mode 100644
index 0000000..5624a9d
--- /dev/null
+++ b/spec/dummy/config/boot.rb
@@ -0,0 +1,3 @@
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../../Gemfile", __dir__)
+
+require "bundler/setup"
diff --git a/spec/dummy/config/database.yml b/spec/dummy/config/database.yml
new file mode 100644
index 0000000..24441b0
--- /dev/null
+++ b/spec/dummy/config/database.yml
@@ -0,0 +1,8 @@
+test:
+  adapter: mysql2
+  encoding: utf8mb4
+  username: <%= ENV.fetch("DB_USER", "root") %>
+  password: <%= ENV.fetch("DB_PASSWORD", "") %>
+  host: <%= ENV.fetch("DB_HOST", "mysql") %>
+  port: <%= ENV.fetch("DB_PORT", "3306") %>
+  database: warp_engine_test
diff --git a/spec/dummy/config/environment.rb b/spec/dummy/config/environment.rb
new file mode 100644
index 0000000..73a3979
--- /dev/null
+++ b/spec/dummy/config/environment.rb
@@ -0,0 +1,3 @@
+require_relative "application"
+
+Rails.application.initialize!
diff --git a/spec/dummy/config/environments/test.rb b/spec/dummy/config/environments/test.rb
new file mode 100644
index 0000000..7388880
--- /dev/null
+++ b/spec/dummy/config/environments/test.rb
@@ -0,0 +1,7 @@
+Rails.application.configure do
+  config.cache_classes = true
+  config.consider_all_requests_local = true
+  config.action_dispatch.show_exceptions = :rescuable
+  config.active_support.deprecation = :stderr
+  config.log_level = :warn
+end
diff --git a/spec/dummy/config/routes.rb b/spec/dummy/config/routes.rb
new file mode 100644
index 0000000..7de15df
--- /dev/null
+++ b/spec/dummy/config/routes.rb
@@ -0,0 +1,3 @@
+Rails.application.routes.draw do
+  mount WarpEngine::Engine => "/"
+end
diff --git a/spec/dummy/db/schema.rb b/spec/dummy/db/schema.rb
new file mode 100644
index 0000000..32f8c5c
--- /dev/null
+++ b/spec/dummy/db/schema.rb
@@ -0,0 +1,108 @@
+# A katalógus-táblák a host schema.rb-vel megegyező definícióval.
+ActiveRecord::Schema[8.1].define(version: 1) do
+  create_table "downloads", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", precision: 3
+    t.datetime "deleted_at", precision: 3
+    t.string "file_path", null: false
+    t.string "ip_address"
+    t.string "referer", limit: 500
+    t.bigint "release_id", unsigned: true
+    t.datetime "updated_at", precision: 3
+    t.string "user_agent", limit: 500
+    t.index ["deleted_at"], name: "idx_downloads_deleted_at"
+    t.index ["file_path"], name: "index_downloads_on_file_path"
+    t.index ["release_id"], name: "index_downloads_on_release_id"
+  end
+
+  create_table "external_links", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", precision: 3
+    t.datetime "deleted_at", precision: 3
+    t.string "label", limit: 128
+    t.bigint "software_id", unsigned: true
+    t.datetime "updated_at", precision: 3
+    t.string "url"
+    t.index ["deleted_at"], name: "idx_external_links_deleted_at"
+    t.index ["software_id"], name: "idx_external_links_software_id"
+  end
+
+  create_table "images", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.string "content_type", default: "application/octet-stream", null: false
+    t.datetime "created_at", null: false
+    t.datetime "deleted_at", precision: 3
+    t.string "filename", null: false
+    t.string "original_filename", null: false
+    t.datetime "updated_at", null: false
+    t.index ["deleted_at"], name: "idx_images_deleted_at"
+  end
+
+  create_table "platform_links", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", precision: 3
+    t.datetime "deleted_at", precision: 3
+    t.string "name", limit: 128
+    t.string "platform", limit: 128
+    t.integer "position", default: 0, null: false
+    t.datetime "updated_at", precision: 3
+    t.string "url"
+    t.index ["deleted_at"], name: "idx_platform_links_deleted_at"
+    t.index ["platform"], name: "idx_platform_links_platform"
+  end
+
+  create_table "release_assets", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", precision: 3, null: false
+    t.datetime "deleted_at", precision: 3
+    t.string "kind", limit: 32, null: false
+    t.string "path", null: false
+    t.bigint "release_id", null: false, unsigned: true
+    t.datetime "updated_at", precision: 3, null: false
+    t.index ["deleted_at"], name: "idx_release_assets_deleted_at"
+    t.index ["path"], name: "idx_release_assets_path"
+    t.index ["release_id", "kind"], name: "idx_release_assets_release_kind", unique: true
+  end
+
+  create_table "releases", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", precision: 3
+    t.datetime "deleted_at", precision: 3
+    t.bigint "software_id", unsigned: true
+    t.datetime "updated_at", precision: 3
+    t.string "version", limit: 64
+    t.index ["deleted_at"], name: "idx_releases_deleted_at"
+    t.index ["software_id"], name: "idx_releases_software_id"
+  end
+
+  create_table "software_images", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.bigint "image_id", null: false
+    t.boolean "is_default", default: false, null: false
+    t.integer "position", default: 0, null: false
+    t.bigint "software_id", null: false, unsigned: true
+    t.datetime "updated_at", null: false
+    t.index ["image_id"], name: "fk_rails_a456fbc278"
+    t.index ["software_id", "image_id"], name: "index_software_images_on_software_id_and_image_id", unique: true
+    t.index ["software_id", "position"], name: "index_software_images_on_software_id_and_position"
+  end
+
+  create_table "softwares", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.string "author"
+    t.datetime "created_at", precision: 3
+    t.datetime "deleted_at", precision: 3
+    t.text "desc"
+    t.boolean "highlighted", default: false
+    t.string "license", limit: 128
+    t.string "name", limit: 128
+    t.string "platform", limit: 128
+    t.string "site"
+    t.string "status", limit: 20, default: "development"
+    t.text "story"
+    t.string "title"
+    t.datetime "updated_at", precision: 3
+    t.index ["deleted_at"], name: "idx_softwares_deleted_at"
+    t.index ["name"], name: "idx_softwares_name", unique: true
+  end
+
+  add_foreign_key "downloads", "releases", name: "fk_downloads_release", on_delete: :nullify
+  add_foreign_key "external_links", "softwares", name: "fk_softwares_external_links", on_delete: :cascade
+  add_foreign_key "release_assets", "releases", name: "fk_releases_release_assets", on_delete: :cascade
+  add_foreign_key "releases", "softwares", name: "fk_softwares_releases", on_delete: :cascade
+  add_foreign_key "software_images", "images"
+  add_foreign_key "software_images", "softwares", on_delete: :cascade
+end
diff --git a/spec/factories/downloads.rb b/spec/factories/downloads.rb
new file mode 100644
index 0000000..c305277
--- /dev/null
+++ b/spec/factories/downloads.rb
@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :download, class: "WarpEngine::Download" do
+    file_path { "/test/file.tic" }
+    ip_address { "127.0.0.1" }
+  end
+end
diff --git a/spec/factories/platform_links.rb b/spec/factories/platform_links.rb
new file mode 100644
index 0000000..06b2ec7
--- /dev/null
+++ b/spec/factories/platform_links.rb
@@ -0,0 +1,8 @@
+FactoryBot.define do
+  factory :platform_link, class: "WarpEngine::PlatformLink" do
+    sequence(:name) { |n| "Link #{n}" }
+    platform { "tic80" }
+    url { "https://example.com/link" }
+    position { 0 }
+  end
+end
diff --git a/spec/factories/releases.rb b/spec/factories/releases.rb
new file mode 100644
index 0000000..6a8bae1
--- /dev/null
+++ b/spec/factories/releases.rb
@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :release, class: "WarpEngine::Release" do
+    software
+    sequence(:version) { |n| "1.0.#{n}" }
+  end
+end
diff --git a/spec/factories/softwares.rb b/spec/factories/softwares.rb
new file mode 100644
index 0000000..353ceb7
--- /dev/null
+++ b/spec/factories/softwares.rb
@@ -0,0 +1,9 @@
+FactoryBot.define do
+  factory :software, class: "WarpEngine::Software" do
+    sequence(:name) { |n| "game-#{n}" }
+    title { "Test Game" }
+    author { "dev" }
+    platform { "tic80" }
+    status { "development" }
+  end
+end
diff --git a/spec/models/download_spec.rb b/spec/models/download_spec.rb
new file mode 100644
index 0000000..aa196a7
--- /dev/null
+++ b/spec/models/download_spec.rb
@@ -0,0 +1,6 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::Download, type: :model do
+  it { should validate_presence_of(:file_path) }
+  it { should belong_to(:release).optional }
+end
diff --git a/spec/models/platform_link_spec.rb b/spec/models/platform_link_spec.rb
new file mode 100644
index 0000000..b04ef90
--- /dev/null
+++ b/spec/models/platform_link_spec.rb
@@ -0,0 +1,52 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::PlatformLink, type: :model do
+  describe "validations" do
+    it { should validate_presence_of(:name) }
+    it { should validate_presence_of(:url) }
+    it { should validate_presence_of(:platform) }
+
+    it "rejects invalid platform" do
+      link = build(:platform_link, platform: "invalid")
+      expect(link).not_to be_valid
+      expect(link.errors[:platform]).to be_present
+    end
+
+    it "accepts valid platforms" do
+      WarpEngine::PlatformLink::SUPPORTED_PLATFORMS.each do |p|
+        link = build(:platform_link, platform: p)
+        expect(link).to be_valid
+      end
+    end
+  end
+
+  describe "default scope" do
+    it "excludes soft-deleted records" do
+      active = create(:platform_link)
+      create(:platform_link, deleted_at: Time.current)
+
+      expect(WarpEngine::PlatformLink.all).to eq([active])
+    end
+
+    it "orders by position" do
+      second = create(:platform_link, position: 2)
+      first  = create(:platform_link, position: 1)
+
+      expect(WarpEngine::PlatformLink.all).to eq([first, second])
+    end
+  end
+
+  describe ".for_platform" do
+    it "returns links for given platform only" do
+      tic80_link = create(:platform_link, platform: "tic80")
+      create(:platform_link, platform: "love")
+
+      result = WarpEngine::PlatformLink.for_platform("tic80")
+      expect(result).to eq([tic80_link])
+    end
+
+    it "returns empty array for platform without links" do
+      expect(WarpEngine::PlatformLink.for_platform("godot")).to eq([])
+    end
+  end
+end
diff --git a/spec/models/release_spec.rb b/spec/models/release_spec.rb
new file mode 100644
index 0000000..1b5ebbb
--- /dev/null
+++ b/spec/models/release_spec.rb
@@ -0,0 +1,23 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::Release, type: :model do
+  it { should belong_to(:software) }
+  it { should have_many(:downloads) }
+
+  describe "version uniqueness" do
+    let(:software) { create(:software) }
+
+    it "prevents duplicate versions for same software" do
+      create(:release, software: software, version: "1.0.0")
+      dup = build(:release, software: software, version: "1.0.0")
+      expect(dup).not_to be_valid
+    end
+
+    it "allows same version across different software" do
+      other_sw = create(:software)
+      create(:release, software: software, version: "1.0.0")
+      other = build(:release, software: other_sw, version: "1.0.0")
+      expect(other).to be_valid
+    end
+  end
+end
diff --git a/spec/models/software_spec.rb b/spec/models/software_spec.rb
new file mode 100644
index 0000000..19c348a
--- /dev/null
+++ b/spec/models/software_spec.rb
@@ -0,0 +1,25 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::Software, type: :model do
+  subject { build(:software) }
+
+  it { should validate_presence_of(:name) }
+  it { should validate_presence_of(:title) }
+  it { should validate_presence_of(:platform) }
+  # MySQL utf8mb4_0900_ai_ci collation: az egyediség DB-szinten case-insensitive
+  it { should validate_uniqueness_of(:name).case_insensitive }
+
+  # a törlést a DB-szintű ON DELETE CASCADE végzi, a modellen nincs dependent opció
+  it { should have_many(:releases) }
+  it { should have_many(:external_links) }
+  it { should have_many(:software_images).dependent(:destroy) }
+
+  describe "default scope" do
+    it "excludes soft-deleted records" do
+      active = create(:software)
+      create(:software, deleted_at: Time.current)
+
+      expect(WarpEngine::Software.all).to eq([active])
+    end
+  end
+end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
new file mode 100644
index 0000000..6a43560
--- /dev/null
+++ b/spec/rails_helper.rb
@@ -0,0 +1,31 @@
+require "spec_helper"
+ENV["RAILS_ENV"] ||= "test"
+require_relative "dummy/config/environment"
+
+abort("The Rails environment is running in production mode!") if Rails.env.production?
+require "rspec/rails"
+
+begin
+  ActiveRecord::Migration.maintain_test_schema!
+rescue ActiveRecord::PendingMigrationError => e
+  abort e.to_s.strip
+end
+
+# A factory_bot_rails a dummy app gyökerében keresne; a factory-k az engine spec/ alatt élnek
+FactoryBot.definition_file_paths = [ File.expand_path("factories", __dir__) ]
+FactoryBot.reload
+
+RSpec.configure do |config|
+  config.use_transactional_fixtures = true
+  config.infer_spec_type_from_file_location!
+  config.filter_rails_from_backtrace!
+
+  config.include FactoryBot::Syntax::Methods
+end
+
+Shoulda::Matchers.configure do |config|
+  config.integrate do |with|
+    with.test_framework :rspec
+    with.library :rails
+  end
+end
diff --git a/spec/services/builds_service_spec.rb b/spec/services/builds_service_spec.rb
new file mode 100644
index 0000000..a19f529
--- /dev/null
+++ b/spec/services/builds_service_spec.rb
@@ -0,0 +1,50 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::BuildsService do
+  describe "#index" do
+    subject(:result) { described_class.new.index }
+
+    it "returns all supported platforms with expected kinds" do
+      expect(result[:platforms]).to have_key("tic80")
+      expect(result[:platforms]["tic80"][:label]).to eq("TIC-80")
+      expect(result[:platforms]["tic80"][:kinds]).to include("cartridge", "html")
+    end
+
+    it "returns c64 with only cartridge" do
+      expect(result[:platforms]["c64"][:kinds]).to eq(["cartridge"])
+    end
+
+    it "returns allKinds matching WarpEngine::ReleaseAsset::KINDS" do
+      expect(result[:allKinds]).to eq(WarpEngine::ReleaseAsset::KINDS)
+    end
+
+    it "includes all supported platforms" do
+      WarpEngine::PlatformLink::SUPPORTED_PLATFORMS.each do |platform|
+        expect(result[:platforms]).to have_key(platform)
+      end
+    end
+  end
+
+  describe "#show" do
+    let!(:software) { create(:software, name: "test-game", platform: "love") }
+    let!(:release) { create(:release, software: software, version: "1.0.0") }
+
+    before do
+      WarpEngine::ReleaseAsset.create!(release: release, kind: "html", path: "/test/html")
+      WarpEngine::ReleaseAsset.create!(release: release, kind: "win_x64", path: "/test/win")
+    end
+
+    it "returns expected and actual kinds per release" do
+      result = described_class.new.show("test-game")
+
+      expect(result[:platform]).to eq("love")
+      expect(result[:expected]).to match_array(%w[html win_x64 linux_x64 mac_universal])
+      expect(result[:releases]["1.0.0"][:actual]).to match_array(%w[html win_x64])
+      expect(result[:releases]["1.0.0"][:missing]).to match_array(%w[linux_x64 mac_universal])
+    end
+
+    it "raises RecordNotFound for unknown software" do
+      expect { described_class.new.show("nonexistent") }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+  end
+end
diff --git a/spec/services/software_highlighted_service_spec.rb b/spec/services/software_highlighted_service_spec.rb
new file mode 100644
index 0000000..d19f44b
--- /dev/null
+++ b/spec/services/software_highlighted_service_spec.rb
@@ -0,0 +1,20 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::SoftwareHighlightedService do
+  describe "#index" do
+    it "returns nil when no highlighted software" do
+      create(:software, highlighted: false)
+
+      result = described_class.new.index
+      expect(result).to be_nil
+    end
+
+    it "returns highlighted software" do
+      sw = create(:software, highlighted: true, title: "Featured")
+
+      result = described_class.new.index
+      expect(result).not_to be_nil
+      expect(result[:software][:title]).to eq("Featured")
+    end
+  end
+end
diff --git a/spec/services/software_updater/tic80_service_spec.rb b/spec/services/software_updater/tic80_service_spec.rb
new file mode 100644
index 0000000..4170300
--- /dev/null
+++ b/spec/services/software_updater/tic80_service_spec.rb
@@ -0,0 +1,78 @@
+require "rails_helper"
+require "zip"
+
+RSpec.describe WarpEngine::SoftwareUpdater::Tic80Service do
+  let(:tmpdir) { Dir.mktmpdir }
+  let(:name) { "spectic" }
+  let(:version) { "9.9" }
+  let(:versioned) { "#{name}-#{version}" }
+
+  before do
+    allow(WarpEngine.config).to receive(:file_container_path).and_return(tmpdir)
+
+    write_zip("#{versioned}.html.zip", "index.html" => "<html></html>")
+    File.write(File.join(tmpdir, "#{versioned}.tic"), "TIC!")
+    File.write(File.join(tmpdir, "#{versioned}.lua"), <<~LUA)
+      -- title: Spec TIC
+      -- name: #{name}
+      -- author: RSpec
+      -- desc: spec fixture
+      -- version: #{version}
+      function TIC() end
+    LUA
+  end
+
+  after do
+    FileUtils.remove_entry(tmpdir)
+    WarpEngine::Software.unscoped.where(name: name).each do |sw|
+      WarpEngine::Release.unscoped.where(software_id: sw.id).each do |r|
+        WarpEngine::ReleaseAsset.unscoped.where(release_id: r.id).delete_all
+        r.delete
+      end
+      WarpEngine::ExternalLink.unscoped.where(software_id: sw.id).delete_all
+      sw.delete
+    end
+  end
+
+  def write_zip(filename, entries)
+    Zip::File.open(File.join(tmpdir, filename), create: true) do |zip|
+      entries.each do |entry_name, content|
+        zip.get_output_stream(entry_name) { |io| io.write(content) }
+      end
+    end
+  end
+
+  def asset_kinds(release)
+    WarpEngine::ReleaseAsset.unscoped.where(release_id: release.id).pluck(:kind)
+  end
+
+  it "registers the release without a docs zip" do
+    release = described_class.new.update(name, version)
+
+    expect(asset_kinds(release)).to match_array(%w[cartridge source html])
+  end
+
+  it "registers docs when the docs zip is present" do
+    write_zip("#{versioned}-docs.zip", "index.html" => "docs")
+
+    release = described_class.new.update(name, version)
+
+    expect(asset_kinds(release)).to include("docs")
+  end
+
+  it "registers binary assets when slug zips are present" do
+    write_zip("#{versioned}-win-x64.zip", "game.exe" => "MZ")
+    write_zip("#{versioned}-mac-x64.zip", "game" => "bin")
+
+    release = described_class.new.update(name, version)
+
+    expect(asset_kinds(release)).to include("win_x64", "mac_x64")
+    expect(asset_kinds(release)).not_to include("linux_x64")
+  end
+
+  it "exposes expected_kinds from included Build concerns" do
+    expect(described_class.expected_kinds).to match_array(
+      %w[cartridge source html docs win_x64 linux_x64 mac_x64]
+    )
+  end
+end
diff --git a/spec/services/update_service_spec.rb b/spec/services/update_service_spec.rb
new file mode 100644
index 0000000..ca874a9
--- /dev/null
+++ b/spec/services/update_service_spec.rb
@@ -0,0 +1,59 @@
+require "rails_helper"
+
+RSpec.describe WarpEngine::UpdateService do
+  describe "#update" do
+    it "raises ArgumentError for unsupported platform" do
+      input = WarpEngine::UpdateInputDto.new(platform: "unknown", name: "game", version: "1.0")
+
+      expect { described_class.new.update(input) }.to raise_error(ArgumentError, /Unsupported platform/)
+    end
+
+    it "routes to correct platform service" do
+      input = WarpEngine::UpdateInputDto.new(platform: "tic80", name: "game", version: "1.0")
+      mock_service = instance_double(WarpEngine::SoftwareUpdater::Tic80Service)
+
+      allow(WarpEngine::SoftwareUpdater::Tic80Service).to receive(:new).and_return(mock_service)
+      allow(mock_service).to receive(:update)
+
+      described_class.new.update(input)
+
+      expect(mock_service).to have_received(:update).with("game", "1.0")
+    end
+
+    it "routes godot platform to GodotService" do
+      input = WarpEngine::UpdateInputDto.new(platform: "godot", name: "game", version: "1.0")
+      mock_service = instance_double(WarpEngine::SoftwareUpdater::GodotService)
+
+      allow(WarpEngine::SoftwareUpdater::GodotService).to receive(:new).and_return(mock_service)
+      allow(mock_service).to receive(:update)
+
+      described_class.new.update(input)
+
+      expect(mock_service).to have_received(:update).with("game", "1.0")
+    end
+
+    it "routes bevy platform to BevyService" do
+      input = WarpEngine::UpdateInputDto.new(platform: "bevy", name: "game", version: "1.0")
+      mock_service = instance_double(WarpEngine::SoftwareUpdater::BevyService)
+
+      allow(WarpEngine::SoftwareUpdater::BevyService).to receive(:new).and_return(mock_service)
+      allow(mock_service).to receive(:update)
+
+      described_class.new.update(input)
+
+      expect(mock_service).to have_received(:update).with("game", "1.0")
+    end
+
+    it "routes phaser platform to PhaserService" do
+      input = WarpEngine::UpdateInputDto.new(platform: "phaser", name: "game", version: "1.0")
+      mock_service = instance_double(WarpEngine::SoftwareUpdater::PhaserService)
+
+      allow(WarpEngine::SoftwareUpdater::PhaserService).to receive(:new).and_return(mock_service)
+      allow(mock_service).to receive(:update)
+
+      described_class.new.update(input)
+
+      expect(mock_service).to have_received(:update).with("game", "1.0")
+    end
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..fe819e0
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,14 @@
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+  config.filter_run_when_matching :focus
+  config.order = :random
+  Kernel.srand config.seed
+end
diff --git a/warp_engine.gemspec b/warp_engine.gemspec
index 1a1d5c8..2fd85a2 100644
--- a/warp_engine.gemspec
+++ b/warp_engine.gemspec
@@ -18,4 +18,6 @@ Gem::Specification.new do |spec|
   spec.files = Dir["{app,config,db,lib}/**/*", "README.md"]
 
   spec.add_dependency "rails", ">= 8.0"
+  spec.add_dependency "blueprinter"
+  spec.add_dependency "rubyzip", "~> 2.3"
 end