diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 74065e3..c02b526 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -4,10 +4,13 @@ name: Build Game
 #
 # Features:
 # - Manual trigger with individual platform checkboxes
+# - Configurable version override (defaults to auto-generated)
+# - Configurable tool versions (Godot, Java, Android API, etc.)
+# - Flexible runner OS selection
 # - Tag-based automatic builds for releases
 # - Multi-platform builds (Windows, Linux, macOS, Android)
 # - Artifact storage for one week
-# - Configurable build options
+# - Comprehensive build configuration options
 
 on:
   # Manual trigger with platform selection
@@ -33,6 +36,11 @@ on:
         required: false
         default: false
         type: boolean
+      version:
+        description: 'Version (leave empty for auto-generated)'
+        required: false
+        default: ''
+        type: string
       build_type:
         description: 'Build type'
         required: true
@@ -41,9 +49,25 @@ on:
         options:
           - release
           - debug
-      version_override:
-        description: 'Override version (optional)'
+      godot_version:
+        description: 'Godot version (leave empty for default)'
         required: false
+        default: ''
+        type: string
+      runner_os:
+        description: 'Runner OS (leave empty for default ubuntu-latest)'
+        required: false
+        default: ''
+        type: string
+      java_version:
+        description: 'Java version (leave empty for default)'
+        required: false
+        default: ''
+        type: string
+      android_api_level:
+        description: 'Android API level (leave empty for default)'
+        required: false
+        default: ''
         type: string
 
   # Automatic trigger on git tags (for releases)
@@ -53,15 +77,39 @@ on:
       - 'release-*'  # Release tags
 
 env:
+  # Core Configuration
   GODOT_VERSION: "4.4.1"
   PROJECT_NAME: "Skelly"
   BUILD_DIR: "builds"
+  DEFAULT_VERSION: "1.0.0-dev"
+
+  # GitHub Actions Versions
+  ACTIONS_CHECKOUT_VERSION: "v4"
+  ACTIONS_CACHE_VERSION: "v4"
+  ACTIONS_UPLOAD_ARTIFACT_VERSION: "v3"
+  ACTIONS_SETUP_JAVA_VERSION: "v4"
+
+  # Third-party Actions Versions
+  CHICKENSOFT_SETUP_GODOT_VERSION: "v1"
+  ANDROID_ACTIONS_SETUP_ANDROID_VERSION: "v3"
+
+  # Runner Configuration
+  RUNNER_OS: "ubuntu-latest"
+
+  # Java Configuration
+  JAVA_DISTRIBUTION: "temurin"
+  JAVA_VERSION: "17"
+
+  # Android Configuration
+  ANDROID_API_LEVEL: "33"
+  ANDROID_BUILD_TOOLS_VERSION: "33.0.0"
+  ANDROID_CMDLINE_TOOLS_VERSION: "latest"
 
 jobs:
   # Preparation job - determines build configuration
   prepare:
     name: Prepare Build
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     outputs:
       platforms: ${{ steps.config.outputs.platforms }}
       build_type: ${{ steps.config.outputs.build_type }}
@@ -70,13 +118,35 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@${{ env.ACTIONS_CHECKOUT_VERSION }}
         with:
           fetch-depth: 0
 
       - name: Configure build parameters
         id: config
         run: |
+          # Override environment variables with user inputs if provided
+          if [[ -n "${{ github.event.inputs.godot_version }}" ]]; then
+            echo "GODOT_VERSION=${{ github.event.inputs.godot_version }}" >> $GITHUB_ENV
+            echo "🔧 Using custom Godot version: ${{ github.event.inputs.godot_version }}"
+          fi
+
+          if [[ -n "${{ github.event.inputs.runner_os }}" ]]; then
+            echo "RUNNER_OS=${{ github.event.inputs.runner_os }}" >> $GITHUB_ENV
+            echo "🔧 Using custom runner OS: ${{ github.event.inputs.runner_os }}"
+          fi
+
+          if [[ -n "${{ github.event.inputs.java_version }}" ]]; then
+            echo "JAVA_VERSION=${{ github.event.inputs.java_version }}" >> $GITHUB_ENV
+            echo "🔧 Using custom Java version: ${{ github.event.inputs.java_version }}"
+          fi
+
+          if [[ -n "${{ github.event.inputs.android_api_level }}" ]]; then
+            echo "ANDROID_API_LEVEL=${{ github.event.inputs.android_api_level }}" >> $GITHUB_ENV
+            echo "ANDROID_BUILD_TOOLS_VERSION=${{ github.event.inputs.android_api_level }}.0.0" >> $GITHUB_ENV
+            echo "🔧 Using custom Android API level: ${{ github.event.inputs.android_api_level }}"
+          fi
+
           # Determine platforms to build
           if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
             # Build platforms array from individual checkboxes
@@ -97,25 +167,37 @@ jobs:
             platforms="${platforms%,}"
 
             build_type="${{ github.event.inputs.build_type }}"
-            version_override="${{ github.event.inputs.version_override }}"
+            user_version="${{ github.event.inputs.version }}"
           else
             # Tag-triggered build - build all platforms
             platforms="windows,linux,macos,android"
             build_type="release"
-            version_override=""
+            user_version=""
           fi
 
-          # Determine version
-          if [[ -n "$version_override" ]]; then
-            version="$version_override"
+          # Determine version with improved logic
+          if [[ -n "$user_version" ]]; then
+            # User provided explicit version
+            version="$user_version"
+            echo "🏷️ Using user-specified version: $version"
           elif [[ "${{ github.ref_type }}" == "tag" ]]; then
+            # Tag-triggered build - use tag name
             version="${{ github.ref_name }}"
-          else
-            # Generate version from git info
+            echo "🏷️ Using git tag version: $version"
+          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            # Manual dispatch without version - use default + git info
             commit_short=$(git rev-parse --short HEAD)
             branch_name="${{ github.ref_name }}"
             timestamp=$(date +%Y%m%d-%H%M)
-            version="${branch_name}-${commit_short}-${timestamp}"
+            version="${{ env.DEFAULT_VERSION }}-${branch_name}-${commit_short}-${timestamp}"
+            echo "🏷️ Using auto-generated version: $version"
+          else
+            # Fallback for other triggers
+            commit_short=$(git rev-parse --short HEAD)
+            branch_name="${{ github.ref_name }}"
+            timestamp=$(date +%Y%m%d-%H%M)
+            version="${{ env.DEFAULT_VERSION }}-${branch_name}-${commit_short}-${timestamp}"
+            echo "🏷️ Using fallback version: $version"
           fi
 
           # Create artifact name
@@ -131,17 +213,24 @@ jobs:
           echo "   Build Type: ${build_type}"
           echo "   Version: ${version}"
           echo "   Artifact: ${artifact_name}"
+          echo ""
+          echo "🔧 Tool Versions:"
+          echo "   Godot: ${GODOT_VERSION}"
+          echo "   Runner OS: ${RUNNER_OS}"
+          echo "   Java: ${JAVA_VERSION}"
+          echo "   Android API: ${ANDROID_API_LEVEL}"
+          echo "   Android Build Tools: ${ANDROID_BUILD_TOOLS_VERSION}"
 
   # Setup export templates (shared across all platform builds)
   setup-templates:
     name: Setup Export Templates
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: prepare
 
     steps:
       - name: Cache export templates
         id: cache-templates
-        uses: actions/cache@v4
+        uses: actions/cache@${{ env.ACTIONS_CACHE_VERSION }}
         with:
           path: ~/.local/share/godot/export_templates
           key: godot-templates-${{ env.GODOT_VERSION }}
@@ -150,7 +239,7 @@ jobs:
 
       - name: Setup Godot
         if: steps.cache-templates.outputs.cache-hit != 'true'
-        uses: chickensoft-games/setup-godot@v1
+        uses: chickensoft-games/setup-godot@${{ env.CHICKENSOFT_SETUP_GODOT_VERSION }}
         with:
           version: ${{ env.GODOT_VERSION }}
           use-dotnet: false
@@ -174,22 +263,22 @@ jobs:
   # Windows build job
   build-windows:
     name: Build Windows
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: [prepare, setup-templates]
     if: contains(needs.prepare.outputs.platforms, 'windows')
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@${{ env.ACTIONS_CHECKOUT_VERSION }}
 
       - name: Setup Godot
-        uses: chickensoft-games/setup-godot@v1
+        uses: chickensoft-games/setup-godot@${{ env.CHICKENSOFT_SETUP_GODOT_VERSION }}
         with:
           version: ${{ env.GODOT_VERSION }}
           use-dotnet: false
 
       - name: Restore export templates cache
-        uses: actions/cache@v4
+        uses: actions/cache@${{ env.ACTIONS_CACHE_VERSION }}
         with:
           path: ~/.local/share/godot/export_templates
           key: godot-templates-${{ env.GODOT_VERSION }}
@@ -221,7 +310,7 @@ jobs:
           fi
 
       - name: Upload Windows build
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@${{ env.ACTIONS_UPLOAD_ARTIFACT_VERSION }}
         with:
           name: ${{ needs.prepare.outputs.artifact_name }}-windows
           path: ${{ env.BUILD_DIR }}/skelly-windows-${{ needs.prepare.outputs.version }}.exe
@@ -231,22 +320,22 @@ jobs:
   # Linux build job
   build-linux:
     name: Build Linux
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: [prepare, setup-templates]
     if: contains(needs.prepare.outputs.platforms, 'linux')
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@${{ env.ACTIONS_CHECKOUT_VERSION }}
 
       - name: Setup Godot
-        uses: chickensoft-games/setup-godot@v1
+        uses: chickensoft-games/setup-godot@${{ env.CHICKENSOFT_SETUP_GODOT_VERSION }}
         with:
           version: ${{ env.GODOT_VERSION }}
           use-dotnet: false
 
       - name: Restore export templates cache
-        uses: actions/cache@v4
+        uses: actions/cache@${{ env.ACTIONS_CACHE_VERSION }}
         with:
           path: ~/.local/share/godot/export_templates
           key: godot-templates-${{ env.GODOT_VERSION }}
@@ -281,7 +370,7 @@ jobs:
           fi
 
       - name: Upload Linux build
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@${{ env.ACTIONS_UPLOAD_ARTIFACT_VERSION }}
         with:
           name: ${{ needs.prepare.outputs.artifact_name }}-linux
           path: ${{ env.BUILD_DIR }}/skelly-linux-${{ needs.prepare.outputs.version }}.x86_64
@@ -291,22 +380,22 @@ jobs:
   # macOS build job
   build-macos:
     name: Build macOS
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: [prepare, setup-templates]
     if: contains(needs.prepare.outputs.platforms, 'macos')
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@${{ env.ACTIONS_CHECKOUT_VERSION }}
 
       - name: Setup Godot
-        uses: chickensoft-games/setup-godot@v1
+        uses: chickensoft-games/setup-godot@${{ env.CHICKENSOFT_SETUP_GODOT_VERSION }}
         with:
           version: ${{ env.GODOT_VERSION }}
           use-dotnet: false
 
       - name: Restore export templates cache
-        uses: actions/cache@v4
+        uses: actions/cache@${{ env.ACTIONS_CACHE_VERSION }}
         with:
           path: ~/.local/share/godot/export_templates
           key: godot-templates-${{ env.GODOT_VERSION }}
@@ -338,7 +427,7 @@ jobs:
           fi
 
       - name: Upload macOS build
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@${{ env.ACTIONS_UPLOAD_ARTIFACT_VERSION }}
         with:
           name: ${{ needs.prepare.outputs.artifact_name }}-macos
           path: ${{ env.BUILD_DIR }}/skelly-macos-${{ needs.prepare.outputs.version }}.zip
@@ -348,37 +437,46 @@ jobs:
   # Android build job
   build-android:
     name: Build Android
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: [prepare, setup-templates]
     if: contains(needs.prepare.outputs.platforms, 'android')
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@${{ env.ACTIONS_CHECKOUT_VERSION }}
 
       - name: Setup Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@${{ env.ACTIONS_SETUP_JAVA_VERSION }}
         with:
-          distribution: 'temurin'
-          java-version: '17'
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+          java-version: ${{ env.JAVA_VERSION }}
 
       - name: Setup Android SDK
-        uses: android-actions/setup-android@v3
+        uses: android-actions/setup-android@${{ env.ANDROID_ACTIONS_SETUP_ANDROID_VERSION }}
         with:
-          api-level: 33
-          build-tools: 33.0.0
+          api-level: ${{ env.ANDROID_API_LEVEL }}
+          build-tools: ${{ env.ANDROID_BUILD_TOOLS_VERSION }}
 
-      - name: Configure Android SDK for Godot
+      - name: Install Android Build Tools
         run: |
-          echo "🔧 Configuring Android SDK for Godot..."
+          echo "🔧 Installing Android Build Tools..."
 
           # Set Android environment variables
           export ANDROID_HOME=${ANDROID_SDK_ROOT}
-          export ANDROID_SDK_ROOT=${ANDROID_SDK_ROOT}
-
           echo "ANDROID_HOME=${ANDROID_SDK_ROOT}" >> $GITHUB_ENV
           echo "ANDROID_SDK_ROOT=${ANDROID_SDK_ROOT}" >> $GITHUB_ENV
 
+          # Install build-tools using sdkmanager
+          yes | ${ANDROID_SDK_ROOT}/cmdline-tools/${{ env.ANDROID_CMDLINE_TOOLS_VERSION }}/bin/sdkmanager --licenses || true
+          ${ANDROID_SDK_ROOT}/cmdline-tools/${{ env.ANDROID_CMDLINE_TOOLS_VERSION }}/bin/sdkmanager "build-tools;${{ env.ANDROID_BUILD_TOOLS_VERSION }}"
+          ${ANDROID_SDK_ROOT}/cmdline-tools/${{ env.ANDROID_CMDLINE_TOOLS_VERSION }}/bin/sdkmanager "platforms;android-${{ env.ANDROID_API_LEVEL }}"
+
+      - name: Verify Android SDK Configuration
+        run: |
+          echo "📱 Verifying Android SDK setup..."
+          echo "📱 Using API Level: ${{ env.ANDROID_API_LEVEL }}"
+          echo "📱 Using Build Tools: ${{ env.ANDROID_BUILD_TOOLS_VERSION }}"
+
           # Verify SDK installation
           echo "📱 Android SDK Location: ${ANDROID_SDK_ROOT}"
           ls -la ${ANDROID_SDK_ROOT}/
@@ -387,8 +485,16 @@ jobs:
           echo "📱 Platforms:"
           ls -la ${ANDROID_SDK_ROOT}/platforms/ || echo "No platforms directory"
 
+          # Verify apksigner exists
+          if [ -f "${ANDROID_SDK_ROOT}/build-tools/${{ env.ANDROID_BUILD_TOOLS_VERSION }}/apksigner" ]; then
+            echo "✅ apksigner found at ${ANDROID_SDK_ROOT}/build-tools/${{ env.ANDROID_BUILD_TOOLS_VERSION }}/apksigner"
+          else
+            echo "❌ apksigner not found!"
+            exit 1
+          fi
+
       - name: Setup Godot
-        uses: chickensoft-games/setup-godot@v1
+        uses: chickensoft-games/setup-godot@${{ env.CHICKENSOFT_SETUP_GODOT_VERSION }}
         with:
           version: ${{ env.GODOT_VERSION }}
           use-dotnet: false
@@ -417,7 +523,7 @@ jobs:
           echo "✅ Godot Android configuration complete"
 
       - name: Restore export templates cache
-        uses: actions/cache@v4
+        uses: actions/cache@${{ env.ACTIONS_CACHE_VERSION }}
         with:
           path: ~/.local/share/godot/export_templates
           key: godot-templates-${{ env.GODOT_VERSION }}
@@ -439,7 +545,9 @@ jobs:
 
           # Verify Android environment
           echo "📱 Android SDK: ${ANDROID_SDK_ROOT}"
-          echo "📱 Build Tools: $(ls ${ANDROID_SDK_ROOT}/build-tools/)"
+          echo "📱 API Level: ${{ env.ANDROID_API_LEVEL }}"
+          echo "📱 Build Tools Version: ${{ env.ANDROID_BUILD_TOOLS_VERSION }}"
+          echo "📱 Available Build Tools: $(ls ${ANDROID_SDK_ROOT}/build-tools/)"
 
           godot --headless --verbose --export-${{ needs.prepare.outputs.build_type }} "Android" \
             ${{ env.BUILD_DIR }}/skelly-android-${{ needs.prepare.outputs.version }}.apk
@@ -458,7 +566,7 @@ jobs:
           fi
 
       - name: Upload Android build
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@${{ env.ACTIONS_UPLOAD_ARTIFACT_VERSION }}
         with:
           name: ${{ needs.prepare.outputs.artifact_name }}-android
           path: ${{ env.BUILD_DIR }}/skelly-android-${{ needs.prepare.outputs.version }}.apk
@@ -468,7 +576,7 @@ jobs:
   # Summary job - creates release summary
   summary:
     name: Build Summary
-    runs-on: ubuntu-latest
+    runs-on: ${{ env.RUNNER_OS }}
     needs: [prepare, setup-templates, build-windows, build-linux, build-macos, build-android]
     if: always()