diff --git a/apps/api/app/controllers/api/builds_controller.rb b/apps/api/app/controllers/api/builds_controller.rb
new file mode 100644
index 0000000..f81ddb2
--- /dev/null
+++ b/apps/api/app/controllers/api/builds_controller.rb
@@ -0,0 +1,5 @@
+class Api::BuildsController < ApiController
+  def index
+    render json: BuildsService.new.index
+  end
+end
diff --git a/apps/api/app/controllers/api/software_builds_controller.rb b/apps/api/app/controllers/api/software_builds_controller.rb
new file mode 100644
index 0000000..77a696a
--- /dev/null
+++ b/apps/api/app/controllers/api/software_builds_controller.rb
@@ -0,0 +1,5 @@
+class Api::SoftwareBuildsController < ApiController
+  def show
+    render json: BuildsService.new.show(params[:name])
+  end
+end
diff --git a/apps/api/app/services/builds_service.rb b/apps/api/app/services/builds_service.rb
new file mode 100644
index 0000000..e558afc
--- /dev/null
+++ b/apps/api/app/services/builds_service.rb
@@ -0,0 +1,37 @@
+class BuildsService
+  def index
+    platforms = UpdateService::SUPPORTED_PLATFORMS.each_with_object({}) do |platform, hash|
+      service_class = "SoftwareUpdater::#{platform.camelize}Service".constantize
+      hash[platform] = {
+        label: service_class.label,
+        kinds: service_class.expected_kinds
+      }
+    end
+
+    all_kinds = ReleaseAsset::KINDS
+
+    { platforms: platforms, allKinds: all_kinds }
+  end
+
+  def show(name)
+    software = Software.find_by!(name: name)
+    service_class = "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
diff --git a/apps/api/app/services/concerns/software_updater/binary_attachment.rb b/apps/api/app/services/concerns/software_updater/binary_attachment.rb
deleted file mode 100644
index 0e302bb..0000000
--- a/apps/api/app/services/concerns/software_updater/binary_attachment.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-module SoftwareUpdater
-  module BinaryAttachment
-    # fájlnév slug → ReleaseAsset kind
-    TARGET_KINDS = {
-      "win-x86"       => "win_x86",
-      "win-x64"       => "win_x64",
-      "linux-x86"     => "linux_x86",
-      "linux-x64"     => "linux_x64",
-      "mac-x64"       => "mac_x64",
-      "mac-arm64"     => "mac_arm64",
-      "mac-universal" => "mac_universal"
-    }.freeze
-
-    private
-
-    def binary_asset_paths(versioned)
-      TARGET_KINDS.each_with_object({}) do |(slug, kind), assets|
-        filename = "#{versioned}-#{slug}.zip"
-        assets[kind] = full_path(filename) if File.file?(full_path(filename))
-      end
-    end
-  end
-end
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_cartridge.rb b/apps/api/app/services/concerns/software_updater/builds/build_cartridge.rb
new file mode 100644
index 0000000..fcea2a8
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_cartridge.rb
@@ -0,0 +1,22 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_docs.rb b/apps/api/app/services/concerns/software_updater/builds/build_docs.rb
new file mode 100644
index 0000000..5a6f63b
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_docs.rb
@@ -0,0 +1,24 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_linux_x64.rb b/apps/api/app/services/concerns/software_updater/builds/build_linux_x64.rb
new file mode 100644
index 0000000..0f6054d
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_linux_x64.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_mac_arm64.rb b/apps/api/app/services/concerns/software_updater/builds/build_mac_arm64.rb
new file mode 100644
index 0000000..49cccd2
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_mac_arm64.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_mac_universal.rb b/apps/api/app/services/concerns/software_updater/builds/build_mac_universal.rb
new file mode 100644
index 0000000..a038b65
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_mac_universal.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_mac_x64.rb b/apps/api/app/services/concerns/software_updater/builds/build_mac_x64.rb
new file mode 100644
index 0000000..cea3027
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_mac_x64.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_source.rb b/apps/api/app/services/concerns/software_updater/builds/build_source.rb
new file mode 100644
index 0000000..832e4a3
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_source.rb
@@ -0,0 +1,22 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_web.rb b/apps/api/app/services/concerns/software_updater/builds/build_web.rb
new file mode 100644
index 0000000..89eeb9a
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_web.rb
@@ -0,0 +1,23 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_win_x64.rb b/apps/api/app/services/concerns/software_updater/builds/build_win_x64.rb
new file mode 100644
index 0000000..fbbef2c
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_win_x64.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/builds/build_win_x86.rb b/apps/api/app/services/concerns/software_updater/builds/build_win_x86.rb
new file mode 100644
index 0000000..777882d
--- /dev/null
+++ b/apps/api/app/services/concerns/software_updater/builds/build_win_x86.rb
@@ -0,0 +1,18 @@
+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
diff --git a/apps/api/app/services/concerns/software_updater/updatable.rb b/apps/api/app/services/concerns/software_updater/updatable.rb
index abd6a5b..d9d7e55 100644
--- a/apps/api/app/services/concerns/software_updater/updatable.rb
+++ b/apps/api/app/services/concerns/software_updater/updatable.rb
@@ -4,13 +4,33 @@ module SoftwareUpdater
     include ArchiveExtraction
     include MetadataParsing
     include SoftwarePersistence
-    include BinaryAttachment
 
     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)
@@ -27,7 +47,7 @@ module SoftwareUpdater
         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, asset_paths(versioned).merge(binary_asset_paths(versioned)))
+        sync_release_assets(release, collect_asset_paths(versioned))
         release
       end
     end
@@ -35,15 +55,18 @@ module SoftwareUpdater
     private
 
     def prepare_files(versioned)
-      extract_zip_to_dir("#{versioned}.html.zip", 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 asset_paths(versioned)
-      { "html" => full_path(versioned) }
+    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
diff --git a/apps/api/app/services/software_updater/bevy_service.rb b/apps/api/app/services/software_updater/bevy_service.rb
index f4b754d..30f8a38 100644
--- a/apps/api/app/services/software_updater/bevy_service.rb
+++ b/apps/api/app/services/software_updater/bevy_service.rb
@@ -1,5 +1,10 @@
 module SoftwareUpdater
   class BevyService
     include Updatable
+    include Builds::BuildWeb
+    include Builds::BuildWinX64
+    include Builds::BuildLinuxX64
+
+    label "Bevy"
   end
 end
diff --git a/apps/api/app/services/software_updater/c64_service.rb b/apps/api/app/services/software_updater/c64_service.rb
index 1a7cae3..3032693 100644
--- a/apps/api/app/services/software_updater/c64_service.rb
+++ b/apps/api/app/services/software_updater/c64_service.rb
@@ -1,15 +1,10 @@
 module SoftwareUpdater
   class C64Service
     include Updatable
+    include Builds::BuildCartridge
 
-    private
+    label "C64"
 
-    def prepare_files(_versioned)
-      # a c64 buildhez nem tartozik html zip, csak a .prg fájl
-    end
-
-    def asset_paths(versioned)
-      { "cartridge" => full_path("#{versioned}.prg") }
-    end
+    def cartridge_ext = ".prg"
   end
 end
diff --git a/apps/api/app/services/software_updater/ebitengine_service.rb b/apps/api/app/services/software_updater/ebitengine_service.rb
index 77bde66..2f44406 100644
--- a/apps/api/app/services/software_updater/ebitengine_service.rb
+++ b/apps/api/app/services/software_updater/ebitengine_service.rb
@@ -1,5 +1,13 @@
 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
diff --git a/apps/api/app/services/software_updater/godot_service.rb b/apps/api/app/services/software_updater/godot_service.rb
index b245044..6e292c2 100644
--- a/apps/api/app/services/software_updater/godot_service.rb
+++ b/apps/api/app/services/software_updater/godot_service.rb
@@ -1,5 +1,12 @@
 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
diff --git a/apps/api/app/services/software_updater/love_service.rb b/apps/api/app/services/software_updater/love_service.rb
index f58ce77..d07eb27 100644
--- a/apps/api/app/services/software_updater/love_service.rb
+++ b/apps/api/app/services/software_updater/love_service.rb
@@ -1,5 +1,11 @@
 module SoftwareUpdater
   class LoveService
     include Updatable
+    include Builds::BuildWeb
+    include Builds::BuildWinX64
+    include Builds::BuildLinuxX64
+    include Builds::BuildMacUniversal
+
+    label "LÖVE"
   end
 end
diff --git a/apps/api/app/services/software_updater/phaser_service.rb b/apps/api/app/services/software_updater/phaser_service.rb
index 1626724..407cb91 100644
--- a/apps/api/app/services/software_updater/phaser_service.rb
+++ b/apps/api/app/services/software_updater/phaser_service.rb
@@ -1,5 +1,8 @@
 module SoftwareUpdater
   class PhaserService
     include Updatable
+    include Builds::BuildWeb
+
+    label "Phaser"
   end
 end
diff --git a/apps/api/app/services/software_updater/tic80_service.rb b/apps/api/app/services/software_updater/tic80_service.rb
index b88ad3e..928fe0a 100644
--- a/apps/api/app/services/software_updater/tic80_service.rb
+++ b/apps/api/app/services/software_updater/tic80_service.rb
@@ -1,32 +1,25 @@
 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
 
-    # a docs opcionális: a régebbi sémájú tic80 pipeline-ok nem töltenek fel
-    # docs zipet, e nélkül is regisztrálni kell a többi assetet
-    def prepare_files(versioned)
-      extract_zip_to_dir("#{versioned}.html.zip", versioned)
-      docs_zip = "#{versioned}-docs.zip"
-      extract_zip_to_dir(docs_zip, "#{versioned}-docs") if File.file?(full_path(docs_zip))
-    end
-
     def parse_metadata(versioned)
       parse_lua_metadata(full_path("#{versioned}.lua"))
     end
 
-    def asset_paths(versioned)
-      paths = {
-        "cartridge" => full_path("#{versioned}.tic"),
-        "source"    => full_path("#{versioned}.lua"),
-        "html"      => full_path(versioned)
-      }
-      docs_dir = "#{versioned}-docs"
-      paths["docs"] = full_path(docs_dir) if dir_exists?(docs_dir)
-      paths
-    end
-
     def parse_lua_metadata(source_path)
       metadata = {}
       File.foreach(source_path) do |line|
diff --git a/apps/api/config/routes.rb b/apps/api/config/routes.rb
index dfa77df..887ea21 100644
--- a/apps/api/config/routes.rb
+++ b/apps/api/config/routes.rb
@@ -15,6 +15,8 @@ Rails.application.routes.draw do
     get "rss/releases",         to: "rss#releases"
     get "rss/howtos",           to: "rss#howtos"
     get "download",             to: "downloads#show"
+    get "builds",               to: "builds#index"
+    get "softwares/:name/builds", to: "software_builds#show"
   end
   get "update",       to: "update#update"
   get "file/*path",   to: "files#show", format: false
diff --git a/apps/api/spec/controllers/builds_controller_spec.rb b/apps/api/spec/controllers/builds_controller_spec.rb
new file mode 100644
index 0000000..57e7dcb
--- /dev/null
+++ b/apps/api/spec/controllers/builds_controller_spec.rb
@@ -0,0 +1,16 @@
+require "rails_helper"
+
+RSpec.describe Api::BuildsController, type: :request do
+  describe "GET /api/builds" do
+    it "returns the global build matrix" do
+      get "/api/builds"
+
+      expect(response).to have_http_status(:ok)
+      json = JSON.parse(response.body)
+      expect(json["platforms"]).to be_a(Hash)
+      expect(json["platforms"]["tic80"]["label"]).to eq("TIC-80")
+      expect(json["platforms"]["tic80"]["kinds"]).to include("cartridge")
+      expect(json["allKinds"]).to be_an(Array)
+    end
+  end
+end
diff --git a/apps/api/spec/controllers/software_builds_controller_spec.rb b/apps/api/spec/controllers/software_builds_controller_spec.rb
new file mode 100644
index 0000000..33e12b3
--- /dev/null
+++ b/apps/api/spec/controllers/software_builds_controller_spec.rb
@@ -0,0 +1,29 @@
+require "rails_helper"
+
+RSpec.describe Api::SoftwareBuildsController, type: :request do
+  describe "GET /api/softwares/:name/builds" do
+    let!(:software) { create(:software, name: "test-game", platform: "love") }
+    let!(:release) { create(:release, software: software, version: "2.0.0") }
+
+    before do
+      ReleaseAsset.create!(release: release, kind: "html", path: "/test/html")
+    end
+
+    it "returns per-software build info" do
+      get "/api/softwares/test-game/builds"
+
+      expect(response).to have_http_status(:ok)
+      json = JSON.parse(response.body)
+      expect(json["platform"]).to eq("love")
+      expect(json["expected"]).to include("html", "win_x64")
+      expect(json["releases"]["2.0.0"]["actual"]).to include("html")
+      expect(json["releases"]["2.0.0"]["missing"]).to include("win_x64")
+    end
+
+    it "returns 404 for unknown software" do
+      get "/api/softwares/nonexistent/builds"
+
+      expect(response).to have_http_status(:not_found)
+    end
+  end
+end
diff --git a/apps/api/spec/services/builds_service_spec.rb b/apps/api/spec/services/builds_service_spec.rb
new file mode 100644
index 0000000..0182d78
--- /dev/null
+++ b/apps/api/spec/services/builds_service_spec.rb
@@ -0,0 +1,50 @@
+require "rails_helper"
+
+RSpec.describe 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 ReleaseAsset::KINDS" do
+      expect(result[:allKinds]).to eq(ReleaseAsset::KINDS)
+    end
+
+    it "includes all supported platforms" do
+      UpdateService::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
+      ReleaseAsset.create!(release: release, kind: "html", path: "/test/html")
+      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/apps/api/spec/services/software_updater/tic80_service_spec.rb b/apps/api/spec/services/software_updater/tic80_service_spec.rb
index 55e54c3..d891fe9 100644
--- a/apps/api/spec/services/software_updater/tic80_service_spec.rb
+++ b/apps/api/spec/services/software_updater/tic80_service_spec.rb
@@ -63,11 +63,17 @@ RSpec.describe SoftwareUpdater::Tic80Service do
 
   it "registers binary assets when slug zips are present" do
     write_zip("#{versioned}-win-x64.zip", "game.exe" => "MZ")
-    write_zip("#{versioned}-mac-universal.zip", "game" => "bin")
+    write_zip("#{versioned}-mac-x64.zip", "game" => "bin")
 
     release = described_class.new.update(name, version)
 
-    expect(asset_kinds(release)).to include("win_x64", "mac_universal")
+    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/apps/frontend/src/api/builds.api.ts b/apps/frontend/src/api/builds.api.ts
new file mode 100644
index 0000000..5e679c3
--- /dev/null
+++ b/apps/frontend/src/api/builds.api.ts
@@ -0,0 +1,9 @@
+import type { BuildsData } from '../lib/interfaces/builds.interface'
+
+const index = async (): Promise<BuildsData> => {
+  const res = await fetch('/api/builds')
+  if (!res.ok) throw new Error(`HTTP ${res.status}`)
+  return res.json()
+}
+
+export default { index }
diff --git a/apps/frontend/src/i18n/locales/en.ts b/apps/frontend/src/i18n/locales/en.ts
index 12bc605..9ef52c5 100644
--- a/apps/frontend/src/i18n/locales/en.ts
+++ b/apps/frontend/src/i18n/locales/en.ts
@@ -179,6 +179,10 @@ export default {
     new: 'New',
     read: 'Read',
   },
+  builds: {
+    title: 'Build Matrix',
+    subtitle: 'Which engines build for which platforms.',
+  },
   code: {
     title: 'Codebase',
     subtitle: 'Explore our collection of open-source projects, study our source code, and contribute to our independent game development tools.',
diff --git a/apps/frontend/src/i18n/locales/hu.ts b/apps/frontend/src/i18n/locales/hu.ts
index ce63916..bf2ee25 100644
--- a/apps/frontend/src/i18n/locales/hu.ts
+++ b/apps/frontend/src/i18n/locales/hu.ts
@@ -179,6 +179,10 @@ export default {
     new: 'Új',
     read: 'Olvasás',
   },
+  builds: {
+    title: 'Build mátrix',
+    subtitle: 'Melyik engine melyik platformra fordít.',
+  },
   code: {
     title: 'Kódbázis',
     subtitle: 'Fedezd fel nyílt forráskódú projektek gyűjteményét, tanulmányozd forráskódunkat, és járulj hozzá független játékfejlesztő eszközeinkhez.',
diff --git a/apps/frontend/src/lib/interfaces/builds.interface.ts b/apps/frontend/src/lib/interfaces/builds.interface.ts
new file mode 100644
index 0000000..678f9dd
--- /dev/null
+++ b/apps/frontend/src/lib/interfaces/builds.interface.ts
@@ -0,0 +1,9 @@
+export interface PlatformBuilds {
+  label: string
+  kinds: string[]
+}
+
+export interface BuildsData {
+  platforms: Record<string, PlatformBuilds>
+  allKinds: string[]
+}
diff --git a/apps/frontend/src/page/builds/BuildsIndexPage.vue b/apps/frontend/src/page/builds/BuildsIndexPage.vue
new file mode 100644
index 0000000..a638984
--- /dev/null
+++ b/apps/frontend/src/page/builds/BuildsIndexPage.vue
@@ -0,0 +1,116 @@
+<template>
+  <header class="hero-section-gradient from-slate-700 to-gray-800 py-16">
+    <div class="hero-container">
+      <h1 class="hero-title">{{ t('builds.title') }}</h1>
+      <p class="hero-subtitle text-slate-300">{{ t('builds.subtitle') }}</p>
+    </div>
+  </header>
+
+  <main class="main-container py-12 px-4 mt-0">
+    <div v-if="error" class="builds-error">{{ error }}</div>
+
+    <div v-else-if="!data" class="builds-loading">{{ t('common.loading') }}</div>
+
+    <div v-else class="builds-table-wrap">
+      <table class="builds-table">
+        <thead>
+          <tr>
+            <th class="builds-th-engine">Engine</th>
+            <th v-for="kind in data.allKinds" :key="kind" class="builds-th-kind">
+              <i :class="kindIcon(kind)" class="builds-kind-icon"></i>
+              <span class="builds-kind-label">{{ t('catalogShow.assetKind.' + kind) }}</span>
+            </th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="(info, platform) in data.platforms" :key="platform" class="builds-row">
+            <td class="builds-td-engine">{{ info.label }}</td>
+            <td v-for="kind in data.allKinds" :key="kind" class="builds-td-kind">
+              <i v-if="info.kinds.includes(kind)" class="fa-solid fa-check builds-check"></i>
+              <i v-else class="fa-solid fa-xmark builds-xmark"></i>
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+
+    <div class="builds-back">
+      <RouterLink to="/catalog" class="builds-back-link">
+        ← {{ t('catalogShow.back') }}
+      </RouterLink>
+    </div>
+  </main>
+</template>
+
+<script setup lang="ts">
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
+import { RouterLink } from 'vue-router'
+import { useI18n } from 'vue-i18n'
+import { useBuildsStore } from '../../stores/builds.store'
+
+const { t } = useI18n()
+
+const store = useBuildsStore()
+const { data, error } = storeToRefs(store)
+
+const kindIcon = (kind: string) =>
+  kind.startsWith('win_') ? 'fa-brands fa-windows'
+    : kind.startsWith('linux_') ? 'fa-brands fa-linux'
+      : kind.startsWith('mac_') ? 'fa-brands fa-apple'
+        : kind === 'cartridge' ? 'fa-solid fa-gamepad'
+          : kind === 'source' ? 'fa-solid fa-code'
+            : kind === 'docs' ? 'fa-solid fa-book'
+              : kind === 'html' ? 'fa-solid fa-globe'
+                : 'fa-solid fa-cube'
+
+onMounted(() => store.fetch())
+</script>
+
+<style scoped>
+.builds-error {
+  @apply text-center text-red-500 font-bold py-12;
+}
+.builds-loading {
+  @apply text-center text-gray-400 py-12;
+}
+.builds-table-wrap {
+  @apply bg-white rounded-2xl shadow-xl border border-gray-100 overflow-x-auto;
+}
+.builds-table {
+  @apply w-full text-sm;
+}
+.builds-th-engine {
+  @apply px-6 py-4 text-left text-xs font-bold text-gray-400 uppercase tracking-widest bg-gray-50;
+}
+.builds-th-kind {
+  @apply px-3 py-4 text-center bg-gray-50;
+}
+.builds-kind-icon {
+  @apply block text-gray-500 text-base mb-1;
+}
+.builds-kind-label {
+  @apply block text-[10px] font-bold text-gray-400 uppercase tracking-wider leading-tight;
+}
+.builds-row {
+  @apply border-t border-gray-100 hover:bg-gray-50/50 transition-colors;
+}
+.builds-td-engine {
+  @apply px-6 py-4 font-bold text-gray-900 whitespace-nowrap;
+}
+.builds-td-kind {
+  @apply px-3 py-4 text-center;
+}
+.builds-check {
+  @apply text-green-500 text-lg;
+}
+.builds-xmark {
+  @apply text-gray-200 text-lg;
+}
+.builds-back {
+  @apply mt-8 text-center;
+}
+.builds-back-link {
+  @apply text-gray-400 hover:text-gray-600 text-sm font-medium transition-colors;
+}
+</style>
diff --git a/apps/frontend/src/page/catalog/CatalogIndexPage.vue b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
index 2097aa2..4aa9385 100644
--- a/apps/frontend/src/page/catalog/CatalogIndexPage.vue
+++ b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
@@ -18,6 +18,12 @@
       </button>
     </div>
 
+    <div class="builds-link-row">
+      <RouterLink to="/builds" class="builds-link">
+        <i class="fa-solid fa-table-cells"></i> {{ t('builds.title') }}
+      </RouterLink>
+    </div>
+
     <div class="software-list">
       <template v-for="{ software, releases } in softwares" :key="software.name">
         <div v-show="activeFilter === 'all' || software.status === activeFilter" class="software-card group">
@@ -152,4 +158,10 @@ onMounted(() => store.fetchAll())
 .software-download-count {
   @apply text-xs text-gray-400 font-medium ml-1;
 }
+.builds-link-row {
+  @apply text-center mb-6;
+}
+.builds-link {
+  @apply text-sm text-gray-400 hover:text-purple-600 font-medium transition-colors;
+}
 </style>
diff --git a/apps/frontend/src/router/builds.router.ts b/apps/frontend/src/router/builds.router.ts
new file mode 100644
index 0000000..0e3b6bd
--- /dev/null
+++ b/apps/frontend/src/router/builds.router.ts
@@ -0,0 +1,5 @@
+import type { RouteRecordRaw } from 'vue-router'
+
+export const buildsRouter: RouteRecordRaw[] = [
+  { path: '/builds', name: 'buildsIndex', component: () => import('../page/builds/BuildsIndexPage.vue') },
+]
diff --git a/apps/frontend/src/router/index.router.ts b/apps/frontend/src/router/index.router.ts
index 412700f..aaa4d13 100644
--- a/apps/frontend/src/router/index.router.ts
+++ b/apps/frontend/src/router/index.router.ts
@@ -6,6 +6,7 @@ import { codeRouter } from './code.router'
 import { contactRouter } from './contact.router'
 import { howtosRouter } from './howtos.router'
 import { teamRouter } from './team.router'
+import { buildsRouter } from './builds.router'
 
 export const router = createRouter({
   history: createWebHistory(),
@@ -17,6 +18,7 @@ export const router = createRouter({
     ...contactRouter,
     ...howtosRouter,
     ...teamRouter,
+    ...buildsRouter,
   ],
   scrollBehavior() {
     return { top: 0 }
diff --git a/apps/frontend/src/stores/builds.store.ts b/apps/frontend/src/stores/builds.store.ts
new file mode 100644
index 0000000..d5288a3
--- /dev/null
+++ b/apps/frontend/src/stores/builds.store.ts
@@ -0,0 +1,18 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import buildsApi from '../api/builds.api'
+import { useLoadable } from '../composables/useLoadable'
+import type { BuildsData } from '../lib/interfaces/builds.interface'
+
+export const useBuildsStore = defineStore('builds', () => {
+  const data = ref<BuildsData | null>(null)
+  const { loading, error, withCache, invalidate } = useLoadable()
+
+  async function fetch() {
+    await withCache(async () => {
+      data.value = await buildsApi.index()
+    })
+  }
+
+  return { data, loading, error, fetch, invalidate }
+})