diff --git a/README.md b/README.md
index df85e03..2197908 100644
--- a/README.md
+++ b/README.md
@@ -4,16 +4,16 @@ Puts the <https://teletypegames.org> catalog into RetroArch's library: two
 playlists — *Teletype Games - Commodore 64* and *Teletype Games - TIC-80* — with
 box art, on any machine RetroArch runs on.
 
-This repository is only the store definition — `config.json` plus a wrapper
-installer. All the logic lives in the shared engine,
-[`warp-engine-retroarch-store`](https://git.teletypegames.org/tools/warp-engine-retroarch-store),
+This repository is only the store definition — `config.json` plus the two wrapper
+scripts. All the logic lives in the shared engine,
+[`warp-engine-retroarch-store`](https://git.teletypegames.org/stores/warp-engine-retroarch-store),
 which works with any WarpEngine-based site; this is just the Teletype Games
 configuration of it.
 
 ## Install
 
 ```sh
-curl -fsSL https://git.teletypegames.org/tools/ttg-retroarch-store/raw/branch/master/install.sh | bash
+curl -fsSL https://git.teletypegames.org/stores/ttg-retroarch-store/raw/branch/master/install.sh | sh
 ```
 
 Or from a checkout of this repo:
@@ -55,6 +55,25 @@ Keep it current from `crontab`:
 0 * * * * ~/.local/bin/ttg-retroarch-store sync >>~/.local/share/warp-engine-store/ttg/store.log 2>&1
 ```
 
+## Uninstall
+
+```sh
+curl -fsSL https://git.teletypegames.org/stores/ttg-retroarch-store/raw/branch/master/uninstall.sh | sh
+```
+
+Or `./uninstall.sh` from a checkout. It takes out the six games, the two
+playlists and their thumbnails, then the launcher and the store home. Close
+RetroArch first, for the same reason as for a sync.
+
+```sh
+DRY_RUN=1 ./uninstall.sh     # show what would go, remove nothing
+KEEP_HOME=1 ./uninstall.sh   # keep state.json and the log, for a reinstall
+```
+
+Nothing of yours goes with it: content you put in the `teletypegames/` folder
+keeps its directory, a playlist that still has an entry of yours is rewritten
+rather than deleted, and any `*.lpl.ttg-backup` is listed and left alone.
+
 ## What this store installs
 
 | Catalog platform | Playlist | Core | Extension |
@@ -73,7 +92,7 @@ Statuses `released` and `archived`, whole catalog, no owner filter — **six tit
 That is the cartridge half of the catalog. Our other games are native builds and
 web builds, and no libretro core runs those — on a Batocera box they install as
 Ports instead, see
-[`ttg-batocera-store`](https://git.teletypegames.org/tools/ttg-batocera-store).
+[`ttg-batocera-store`](https://git.teletypegames.org/stores/ttg-batocera-store).
 
 Everything lands under the `teletypegames/` subfolder of RetroArch's content
 directory, so a prune can never reach content you put there yourself. To change
diff --git a/install.sh b/install.sh
index 1d35ffd..a5d7dc6 100755
--- a/install.sh
+++ b/install.sh
@@ -1,10 +1,33 @@
-#!/bin/bash
+#!/bin/sh
 # Install the Teletype Games store into this machine's RetroArch.
 #
-#   bash <(curl -fsSL https://git.teletypegames.org/tools/ttg-retroarch-store/raw/branch/master/install.sh)
+#   curl -fsSL https://git.teletypegames.org/stores/ttg-retroarch-store/raw/branch/master/install.sh | sh
 #
-# All the work is done by the engine's installer; this only says which store.
-set -euo pipefail
-ENGINE_RAW_BASE="${ENGINE_RAW_BASE:-https://git.teletypegames.org/tools/warp-engine-retroarch-store/raw/branch/master}"
-export STORE_CONFIG="${STORE_CONFIG:-https://git.teletypegames.org/tools/ttg-retroarch-store/raw/branch/master/config.json}"
-curl -fsSL "$ENGINE_RAW_BASE/install.sh" | bash
+# All the work is done by the shared engine; this script only says which store
+# to install. See https://git.teletypegames.org/stores/warp-engine-retroarch-store
+#
+set -eu
+
+FORGE="${FORGE:-https://git.teletypegames.org/stores}"
+ENGINE_RAW_BASE="${ENGINE_RAW_BASE:-$FORGE/warp-engine-retroarch-store/raw/branch/master}"
+# Only set when run as a file; piped from curl "$0" is `sh`, and then nothing
+# may come from whatever the cwd happens to hold.
+SRC_DIR=""
+if [ -f "$0" ]; then
+  SRC_DIR="$(cd "$(dirname "$(readlink -f "$0" 2>/dev/null || echo "$0")")" && pwd)"
+fi
+
+# Prefer the config next to this script when run from a checkout.
+if [ -z "${STORE_CONFIG:-}" ] && [ -n "$SRC_DIR" ] && [ -f "$SRC_DIR/config.json" ]; then
+  STORE_CONFIG="$SRC_DIR/config.json"
+else
+  STORE_CONFIG="${STORE_CONFIG:-$FORGE/ttg-retroarch-store/raw/branch/master/config.json}"
+fi
+export STORE_CONFIG ENGINE_RAW_BASE
+
+# Fetched to a file rather than piped into a shell: a failed download must fail
+# loudly instead of feeding an empty script to sh, which would look like success.
+TMP="$(mktemp)"
+trap 'rm -f "$TMP"' EXIT
+curl -fsSL "$ENGINE_RAW_BASE/install.sh" -o "$TMP"
+sh "$TMP"
diff --git a/uninstall.sh b/uninstall.sh
new file mode 100755
index 0000000..0901bfe
--- /dev/null
+++ b/uninstall.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Remove the Teletype Games store from this machine's RetroArch.
+#
+#   curl -fsSL https://git.teletypegames.org/stores/ttg-retroarch-store/raw/branch/master/uninstall.sh | sh
+#
+# All the work is done by the engine's uninstaller; this only says which store.
+# DRY_RUN=1 to see what would go, KEEP_HOME=1 to keep the state and the log.
+set -eu
+FORGE="${FORGE:-https://git.teletypegames.org/stores}"
+ENGINE_RAW_BASE="${ENGINE_RAW_BASE:-$FORGE/warp-engine-retroarch-store/raw/branch/master}"
+STORE_ID="${STORE_ID:-ttg}"
+export STORE_ID
+
+TMP="$(mktemp)"
+trap 'rm -f "$TMP"' EXIT
+curl -fsSL "$ENGINE_RAW_BASE/uninstall.sh" -o "$TMP"
+sh "$TMP"