Include version info in game

index.html

@@ -72,10 +72,25 @@
             text-align: center;
             text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
         }
+        #version {
+            position: absolute;
+            top: 20px;
+            right: 20px;
+            color: rgba(255, 255, 255, 0.7);
+            font-size: 14px;
+            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
+            z-index: 100;
+            font-family: 'Courier New', monospace;
+        }
         @media (max-width: 768px) {
             #instructions {
                 font-size: 14px;
             }
+            #version {
+                font-size: 12px;
+                top: 10px;
+                right: 10px;
+            }
         }
     </style>
 </head>
@@ -85,6 +100,8 @@
         <div>Health: <span id="health">100</span></div>
     </div>
     
+    <div id="version">v<span id="versionNumber">-</span></div>
+    
     <div id="gameOver">
         <h1>Game Over!</h1>
         <p>Final Score: <span id="finalScore">0</span></p>
@@ -97,6 +114,27 @@
 
     <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
     <script>
+        // Load and display version information
+        (function() {
+            fetch('/version.json')
+                .then(response => {
+                    if (response.ok) {
+                        return response.json();
+                    }
+                    throw new Error('Version file not found');
+                })
+                .then(data => {
+                    const versionElement = document.getElementById('versionNumber');
+                    if (versionElement && data.version) {
+                        versionElement.textContent = data.version;
+                    }
+                })
+                .catch(error => {
+                    // Silently fail if version.json doesn't exist (e.g., in development)
+                    console.debug('Version information not available:', error.message);
+                });
+        })();
+        
         // Base GameObject class
         class GameObject {
             constructor(scene, groundSize) {