diff --git a/.codex/skills/linux-game-manager-dev/references/core-map.md b/.codex/skills/linux-game-manager-dev/references/core-map.md
index 49bb12f..5caa816 100644
--- a/.codex/skills/linux-game-manager-dev/references/core-map.md
+++ b/.codex/skills/linux-game-manager-dev/references/core-map.md
@@ -1,6 +1,6 @@
 # Linux Game Manager Core Map
 
-Last refreshed: 2026-07-27
+Last refreshed: 2026-09-20
 
 ## Top-Level Structure
 
@@ -15,8 +15,8 @@ Last refreshed: 2026-07-27
 
 ## Catalog Snapshot
 
-- Installers: 42 (`.install/*.sh`)
-- Launcher definitions: 42 (`.launch/*.game`)
+- Installers: 43 (`.install/*.sh`)
+- Launcher definitions: 43 (`.launch/*.game`)
 - Launcher runnable entries: 32 (`.launch/*.sh`, both symlinks and files)
 - Update scripts: 5 (`.update/*.sh`)
 
diff --git a/.includes/ipfs.sh b/.includes/ipfs.sh
index fe16729..bd0085f 100644
--- a/.includes/ipfs.sh
+++ b/.includes/ipfs.sh
@@ -3,5 +3,7 @@
 
 declare -Ag ipfs=(
     # Games (alphabetical order)
+    [Audio_Defence_aarch64]="${ipfsGateway}/ipfs/QmNN39dhssJBVsN3qXM7LKiy5bP2nUFWruksKy3RAvAz4e?filename=AudioDefence-26.09.20-3-aarch64.AppImage"
+    [Audio_Defence_x86_64]="${ipfsGateway}/ipfs/QmaH6eQaoPXBDh4GDhXBZiNH6NXaduGta9suQdPwkpfffx?filename=AudioDefence-26.09.20-3-x86_64.AppImage"
     [FreeDoom]="${ipfsGateway}/ipfs/QmU6REFot8CGVSBy2YWQxnmXoh7M4EF74RxFtLzvtJxoGC?filename=toby_doom_9.0_full.zip"
 )
diff --git a/.install/Audio Defence.sh b/.install/Audio Defence.sh
new file mode 100644
index 0000000..9fcde87
--- /dev/null
+++ b/.install/Audio Defence.sh	
@@ -0,0 +1,21 @@
+# shellcheck shell=bash disable=SC2154  # Variables are set by linux-game-manager.sh
+check_architecture x86_64 aarch64
+case "$(uname -m)" in
+    x86_64)
+        appImageFile="AudioDefence-26.09.20-3-x86_64.AppImage"
+        expectedHash="8ac007d2c2ea29cd2c84d22d892d1e92f236b456a3667f66919a837f023040cf"
+    ;;
+    aarch64)
+        appImageFile="AudioDefence-26.09.20-3-aarch64.AppImage"
+        expectedHash="2b3c5efeda51f1be5a9389d05a4a29ca7f92d39b20c8017f1ca0d492c69cf850"
+    ;;
+esac
+download_named "${appImageFile}" "${ipfs[Audio_Defence_$(uname -m)]}"
+if ! printf '%s  %s\n' "${expectedHash}" "${cache}/${appImageFile}" | sha256sum --check --strict; then
+    rm -f "${cache}/${appImageFile}"
+    ui_msgbox "Linux Game Manager" "Linux Game Manager" "The Audio Defence download failed its SHA-256 verification. Please try again."
+    exit 1
+fi
+mkdir -p "${installPath}/Audio_Defence"
+cp -v "${cache}/${appImageFile}" "${installPath}/Audio_Defence/${appImageFile}"
+chmod +x "${installPath}/Audio_Defence/${appImageFile}"
diff --git a/.launch/Audio Defence.game b/.launch/Audio Defence.game
new file mode 100644
index 0000000..080f5f5
--- /dev/null
+++ b/.launch/Audio Defence.game	
@@ -0,0 +1,11 @@
+# shellcheck shell=bash disable=SC2154  # Variables are set by linux-game-manager.sh
+gamePath="${installPath}/Audio_Defence"
+case "$(uname -m)" in
+    aarch64)
+        appImageFile="AudioDefence-26.09.20-3-aarch64.AppImage"
+    ;;
+    *)
+        appImageFile="AudioDefence-26.09.20-3-x86_64.AppImage"
+    ;;
+esac
+run_with_optional_gamemode "${gamePath}/${appImageFile}"