diff --git a/.includes/ipfs.sh b/.includes/ipfs.sh
index bd0085f..e02fcad 100644
--- a/.includes/ipfs.sh
+++ b/.includes/ipfs.sh
@@ -3,7 +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"
+    [Audio_Defence_aarch64]="${ipfsGateway}/ipfs/QmNdnfvLqJXDSvQiUjAsKt3y2yNjYoZEGQ8NffaBmhTeVd?filename=AudioDefence-26.09.22-1-aarch64.AppImage"
+    [Audio_Defence_x86_64]="${ipfsGateway}/ipfs/QmVKGMFPsAzb3SRvFKSX5b5e45ngj4wobKUk7kaeAam3Sn?filename=AudioDefence-26.09.22-1-x86_64.AppImage"
     [FreeDoom]="${ipfsGateway}/ipfs/QmU6REFot8CGVSBy2YWQxnmXoh7M4EF74RxFtLzvtJxoGC?filename=toby_doom_9.0_full.zip"
 )
diff --git a/.install/Audio Defence.sh b/.install/Audio Defence.sh
index 9fcde87..9314b51 100644
--- a/.install/Audio Defence.sh	
+++ b/.install/Audio Defence.sh	
@@ -1,21 +1,10 @@
 # shellcheck shell=bash disable=SC2154  # Variables are set by linux-game-manager.sh
 check_architecture x86_64 aarch64
-case "$(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
+audioDefenceUrl="${ipfs[Audio_Defence_$(uname -m)]}"
+downloadFile="${audioDefenceUrl##*filename=}"
+downloadFile="${downloadFile%%&*}"
+[[ -n "${downloadFile}" && "${downloadFile}" != "${audioDefenceUrl}" ]] || downloadFile="AudioDefence-$(uname -m).AppImage"
+download_named "${downloadFile}" "${audioDefenceUrl}"
 mkdir -p "${installPath}/Audio_Defence"
-cp -v "${cache}/${appImageFile}" "${installPath}/Audio_Defence/${appImageFile}"
-chmod +x "${installPath}/Audio_Defence/${appImageFile}"
+install -v -m 0755 "${cache}/${downloadFile}" "${installPath}/Audio_Defence/AudioDefence.AppImage"
+find "${installPath}/Audio_Defence" -maxdepth 1 -type f -name 'AudioDefence-*.AppImage' -delete
diff --git a/.launch/Audio Defence.game b/.launch/Audio Defence.game
index 080f5f5..de7e248 100644
--- a/.launch/Audio Defence.game	
+++ b/.launch/Audio Defence.game	
@@ -1,11 +1,3 @@
 # shellcheck shell=bash disable=SC2154  # Variables are set by linux-game-manager.sh
 gamePath="${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}/${appImageFile}"
+run_with_optional_gamemode "${gamePath}/AudioDefence.AppImage"
diff --git a/.update/Audio Defence.sh b/.update/Audio Defence.sh
new file mode 100644
index 0000000..16d9264
--- /dev/null
+++ b/.update/Audio Defence.sh	
@@ -0,0 +1,20 @@
+# shellcheck shell=bash disable=SC2154  # Variables are set by linux-game-manager.sh
+run_update() {
+    check_architecture x86_64 aarch64
+    local audioDefenceUrl="${ipfs[Audio_Defence_$(uname -m)]}"
+    local downloadFile="${audioDefenceUrl##*filename=}"
+    downloadFile="${downloadFile%%&*}"
+    [[ -n "${downloadFile}" && "${downloadFile}" != "${audioDefenceUrl}" ]] || \
+        downloadFile="AudioDefence-$(uname -m).AppImage"
+
+    # download_named reads this dynamically scoped flag.
+    # shellcheck disable=SC2034
+    local redownload=true
+    download_named "${downloadFile}" "${audioDefenceUrl}"
+
+    local gamePath="${installPath}/Audio_Defence"
+    mkdir -p "${gamePath}"
+    install -v -m 0755 "${cache}/${downloadFile}" "${gamePath}/AudioDefence.AppImage.new"
+    mv -v "${gamePath}/AudioDefence.AppImage.new" "${gamePath}/AudioDefence.AppImage"
+    find "${gamePath}" -maxdepth 1 -type f -name 'AudioDefence-*.AppImage' -delete
+}