diff --git a/.github/workflows/Flatpak.yml b/.github/workflows/Flatpak.yml
index c1acec2..92cb486 100644
--- a/.github/workflows/Flatpak.yml
+++ b/.github/workflows/Flatpak.yml
@@ -67,6 +67,7 @@ jobs:
         run: |
           git clone --depth 1 https://github.com/M5Devs/OpenROM-bins.git bins
           git -C bins checkout 586f7cc54df0facf9df9d3066c70e6b434b93753
+          cd bins && sha256sum -c checksums.sha256 && cd ..
 
       - name: Set up Flutter
         uses: subosito/flutter-action@v2
diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index ed79d16..83e0d13 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -20,9 +20,14 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Fetch binaries from OpenROM-bins
+        shell: bash
         run: |
           git clone --depth 1 https://github.com/M5Devs/OpenROM-bins.git bins
           git -C bins checkout 586f7cc54df0facf9df9d3066c70e6b434b93753
+          cd bins && sha256sum -c checksums.sha256 && cd ..
+
+      - name: Copy Windows binaries
+        run: |
           New-Item -ItemType Directory -Force -Path assets\windows
           Copy-Item -Path "bins\windows\x86_64\*" -Destination "assets\windows\" -Recurse
 
@@ -150,6 +155,7 @@ jobs:
         run: |
           git clone --depth 1 https://github.com/M5Devs/OpenROM-bins.git bins
           git -C bins checkout 586f7cc54df0facf9df9d3066c70e6b434b93753
+          cd bins && sha256sum -c checksums.sha256 && cd ..
           mkdir -p assets/linux/x86_64
           cp -r bins/linux/x86_64/. assets/linux/x86_64/
           chmod +x assets/linux/x86_64/*
@@ -274,6 +280,7 @@ jobs:
         run: |
           git clone --depth 1 https://github.com/M5Devs/OpenROM-bins.git bins
           git -C bins checkout 586f7cc54df0facf9df9d3066c70e6b434b93753
+          cd bins && sha256sum -c checksums.sha256 && cd ..
           mkdir -p assets/linux/arm64
           cp -r bins/linux/arm64/. assets/linux/arm64/
           chmod +x assets/linux/arm64/*
@@ -381,6 +388,7 @@ jobs:
         run: |
           git clone --depth 1 https://github.com/M5Devs/OpenROM-bins.git bins
           git -C bins checkout 586f7cc54df0facf9df9d3066c70e6b434b93753
+          cd bins && (sha256sum -c checksums.sha256 || shasum -a 256 -c checksums.sha256) && cd ..
           mkdir -p assets/macos/arm64 assets/macos/x86_64
           cp -r bins/macos/arm64/.  assets/macos/arm64/
           cp -r bins/macos/x86_64/. assets/macos/x86_64/
diff --git a/README.md b/README.md
index 79958f0..fbd8205 100644
--- a/README.md
+++ b/README.md
@@ -138,8 +138,9 @@ Each release includes the **Flutter GUI** (`OpenROM`) and the **headless CLI** (
 | WBFS | ISO | nodtool | Wii |
 | GCZ | ISO | nodtool | GameCube / Wii |
 | NKit | ISO | nkit | GameCube / Wii |
-| WUD | ISO | nkit | Wii U |
-| WUX | ISO | nkit | Wii U (compressed) |
+| WUD | ISO, WUA | nkit | Wii U |
+| WUX | ISO, WUA | nkit | Wii U (compressed) |
+| WUA | ISO, WUD | nkit | Wii U (ZArchive) |
 | ISO | NKit | nkit | GameCube / Wii |
 
 ---
diff --git a/build_linux.sh b/build_linux.sh
index 7ce8dd7..d2055db 100755
--- a/build_linux.sh
+++ b/build_linux.sh
@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 set -e
 
+if [ -d "bins" ]; then
+  echo "=== Verifying OpenROM-bins checksums ==="
+  (cd bins && sha256sum -c checksums.sha256)
+fi
+
 echo "=== Building OpenROM Core (Dart CLI) ==="
 cd core
 dart pub get
diff --git a/build_mac.sh b/build_mac.sh
index 34193bf..bd40439 100755
--- a/build_mac.sh
+++ b/build_mac.sh
@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 set -e
 
+if [ -d "bins" ]; then
+  echo "=== Verifying OpenROM-bins checksums ==="
+  (cd bins && (sha256sum -c checksums.sha256 || shasum -a 256 -c checksums.sha256))
+fi
+
 echo "=== Building OpenROM Core (Dart CLI) ==="
 cd core
 dart pub get
diff --git a/build_windows.bat b/build_windows.bat
index 90fc32e..5fe8cad 100644
--- a/build_windows.bat
+++ b/build_windows.bat
@@ -1,4 +1,11 @@
 @echo off
+if exist bins (
+    echo === Verifying OpenROM-bins checksums ===
+    cd bins
+    powershell -Command "Get-Content checksums.sha256 | ForEach-Object { $line = $_; $parts = $line -split '  '; if ($parts.Length -eq 2) { $hash = $parts[0].Trim(); $file = $parts[1].Trim(); if (Test-Path $file) { $actual = (Get-FileHash -Algorithm SHA256 $file).Hash.ToLower(); if ($actual -ne $hash) { Write-Error 'Checksum mismatch'; throw 'Checksum error' } } } }"
+    if errorlevel 1 goto fail
+    cd ..
+)
 echo === Building OpenROM Core (Dart CLI) ===
 cd core
 call dart pub get
@@ -12,3 +19,8 @@ call flutter build windows --release
 cd ..
 
 echo === Build Complete ===
+
+goto ok
+:fail
+call
+:ok
diff --git a/core/lib/src/converter.dart b/core/lib/src/converter.dart
index dd0028b..6694c5d 100644
--- a/core/lib/src/converter.dart
+++ b/core/lib/src/converter.dart
@@ -196,7 +196,8 @@ class Converter {
       return _toXiso(job, src);
     }
 
-    if ((['WUD', 'WUX', 'NKIT'].contains(fmt) && tgt == 'ISO') ||
+    if ((['WUD', 'WUX', 'NKIT', 'WUA'].contains(fmt) &&
+            ['ISO', 'WUA', 'WUD'].contains(tgt)) ||
         (fmt == 'ISO' && tgt == 'NKIT')) {
       return _nkitConvert(job, src, tgt);
     }
@@ -245,7 +246,7 @@ class Converter {
         subCmd = 'createdvd';
       } else {
         final err =
-            'Error: Platform could not be detected. Please specify --media cd or --media dvd.';
+            "Unsupported or ambiguous media type for platform '$platform'. Please specify --media cd or --media dvd.";
         _log('[ERROR] $err');
         job.error = err;
         return false;
diff --git a/core/lib/src/detector.dart b/core/lib/src/detector.dart
index 695a5b1..11c00f3 100644
--- a/core/lib/src/detector.dart
+++ b/core/lib/src/detector.dart
@@ -24,6 +24,7 @@ const Map<String, String> supportedInput = {
   '.wbfs': 'WBFS',
   '.wud': 'WUD',
   '.wux': 'WUX',
+  '.wua': 'WUA',
   '.nkit.iso': 'NKIT',
   '.gcz': 'GCZ',
   '.cci': 'CCI',
@@ -50,6 +51,7 @@ const Map<String, String> platformMap = {
   'GCZ': 'GameCube / Wii',
   'WUD': 'Wii U',
   'WUX': 'Wii U',
+  'WUA': 'Wii U (ZArchive)',
   'NKIT': 'GameCube / Wii',
   'Saturn': 'Sega Saturn',
   'Sega CD': 'Sega CD / Mega-CD',
@@ -77,6 +79,7 @@ const Map<String, String> formatColors = {
   'GCZ': '#9fa8da',
   'WUD': '#e65100',
   'WUX': '#ef6c00',
+  'WUA': '#e65100',
   'NKIT': '#1a237e',
   'UNKNOWN': '#7a8a9a',
   'Saturn': '#1565c0',
@@ -101,9 +104,10 @@ const Map<String, List<String>> conversionMap = {
   'WIA': ['ISO'],
   'WBFS': ['ISO'],
   'GCZ': ['ISO'],
-  'WUD': ['ISO'],
-  'WUX': ['ISO'],
+  'WUD': ['ISO', 'WUA'],
+  'WUX': ['ISO', 'WUA'],
   'NKIT': ['ISO'],
+  'WUA': ['ISO', 'WUD'],
   'CCI': ['ISO'],
   'ZAR': ['ISO'],
 };
@@ -134,6 +138,10 @@ const Map<String, String> commandTemplates = {
   'GCZ->ISO': 'nodtool convert "{in}" "{out}"',
   'WUD->ISO': 'nkit convert -i "{in}" -o "{out}"',
   'WUX->ISO': 'nkit convert -i "{in}" -o "{out}"',
+  'WUD->WUA': 'nkit convert -i "{in}" -o "{out}"',
+  'WUX->WUA': 'nkit convert -i "{in}" -o "{out}"',
+  'WUA->ISO': 'nkit convert -i "{in}" -o "{out}"',
+  'WUA->WUD': 'nkit convert -i "{in}" -o "{out}"',
   'NKIT->ISO': 'nkit convert -i "{in}" -o "{out}"',
   'ISO->NKIT': 'nkit convert -i "{in}" -o "{out}"',
   'CCI->ISO': 'xgdtool --xiso "{in}" "{outdir}"',
diff --git a/core/test/detector_test.dart b/core/test/detector_test.dart
index 78b0104..92921f5 100644
--- a/core/test/detector_test.dart
+++ b/core/test/detector_test.dart
@@ -5,6 +5,24 @@ import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 
 void main() {
+  test('wua_file_detection_and_targets', () {
+    final tmpDir = Directory.systemTemp.createTempSync('wua_test_');
+    try {
+      final wuaPath = p.join(tmpDir.path, 'game.wua');
+      File(wuaPath).writeAsBytesSync(List<int>.filled(100, 0));
+
+      final info = detectFile(wuaPath);
+      expect(info['format'], equals('WUA'));
+      expect(info['platform'], equals('Wii U (ZArchive)'));
+      expect(info['valid_targets'], equals(['ISO', 'WUD']));
+
+      final cmd = getCommandPreview('WUA', 'ISO', 'game.wua');
+      expect(cmd, equals('nkit convert -i "game.wua" -o "game.iso"'));
+    } finally {
+      tmpDir.deleteSync(recursive: true);
+    }
+  });
+
   test('unknown_iso_platform_detection', () {
     final tmpDir = Directory.systemTemp.createTempSync('unknown_iso_test_');
     try {
@@ -205,7 +223,7 @@ void main() {
       expect(
         job.error,
         equals(
-          'Error: Platform could not be detected. Please specify --media cd or --media dvd.',
+          "Unsupported or ambiguous media type for platform 'UNKNOWN'. Please specify --media cd or --media dvd.",
         ),
       );
     } finally {
@@ -270,7 +288,7 @@ void main() {
       expect(
         job.error,
         equals(
-          'Error: Platform could not be detected. Please specify --media cd or --media dvd.',
+          "Unsupported or ambiguous media type for platform 'CustomConsoleX'. Please specify --media cd or --media dvd.",
         ),
       );
     } finally {
diff --git a/gui/lib/screens/settings_screen.dart b/gui/lib/screens/settings_screen.dart
index 9d2a7ba..1ffc0eb 100644
--- a/gui/lib/screens/settings_screen.dart
+++ b/gui/lib/screens/settings_screen.dart
@@ -322,7 +322,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                 },
               ),
               ChoiceChip(
-                label: const Text('Maximum Compression (Vorbis)'),
+                label: const Text('Max Compression (Vorbis)'),
                 selected: _selectedAudioCodec == 'vorbis',
                 selectedColor: theme.accent,
                 backgroundColor: theme.surface,