===================================================================
--- original.js
+++ change.js
@@ -1,64 +1,64 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Alien class representing enemy characters
 var Alien = Container.expand(function () {
-  var self = Container.call(this);
-  var alienGraphics = self.attachAsset('alien', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 5;
-  self.update = function () {
-    // Update logic for alien
-  };
+	var self = Container.call(this);
+	var alienGraphics = self.attachAsset('alien', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.update = function () {
+		// Update logic for alien
+	};
 });
 // Bullet class for projectiles
 var Bullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.attachAsset('bullet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 15;
-  self.update = function () {
-    self.y -= self.speed;
-  };
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 15;
+	self.update = function () {
+		self.y -= self.speed;
+	};
 });
 // CommandBase class representing the target to destroy
 var CommandBase = Container.expand(function () {
-  var self = Container.call(this);
-  var baseGraphics = self.attachAsset('commandBase', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
+	var self = Container.call(this);
+	var baseGraphics = self.attachAsset('commandBase', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
 });
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
 // Hero class representing the player character
 var Hero = Container.expand(function () {
-  var self = Container.call(this);
-  var heroGraphics = self.attachAsset('hero', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 10;
-  self.update = function () {
-    // Update logic for hero
-  };
+	var self = Container.call(this);
+	var heroGraphics = self.attachAsset('hero', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 10;
+	self.update = function () {
+		// Update logic for hero
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize game elements
 var hero = game.addChild(new Hero());
 hero.x = 1024;
 hero.y = 2400;
@@ -66,71 +66,78 @@
 commandBase.x = 1024;
 commandBase.y = 200;
 var aliens = [];
 var bullets = [];
+var commandBaseHits = 0; // New variable to keep track of the number of times the command base has been shot
 // Function to handle movement
 function handleMove(x, y, obj) {
-  hero.x = x;
-  hero.y = y;
+	hero.x = x;
+	hero.y = y;
 }
 // Function to handle shooting
 function shoot() {
-  var bullet = new Bullet();
-  bullet.x = hero.x;
-  bullet.y = hero.y;
-  bullets.push(bullet);
-  game.addChild(bullet);
+	var bullet = new Bullet();
+	bullet.x = hero.x;
+	bullet.y = hero.y;
+	bullets.push(bullet);
+	game.addChild(bullet);
 }
 // Function to spawn aliens
 function spawnAlien() {
-  var alien = new Alien();
-  alien.x = Math.random() * 2048;
-  alien.y = 0;
-  aliens.push(alien);
-  game.addChild(alien);
+	var alien = new Alien();
+	alien.x = Math.random() * 2048;
+	alien.y = 0;
+	aliens.push(alien);
+	game.addChild(alien);
 }
 // Game update loop
 game.update = function () {
-  // Update bullets
-  for (var i = bullets.length - 1; i >= 0; i--) {
-    var bullet = bullets[i];
-    bullet.update();
-    if (bullet.y < 0) {
-      bullet.destroy();
-      bullets.splice(i, 1);
-    }
-  }
-  // Update aliens
-  for (var j = aliens.length - 1; j >= 0; j--) {
-    var alien = aliens[j];
-    alien.update();
-    if (alien.y > 2732) {
-      alien.destroy();
-      aliens.splice(j, 1);
-    }
-  }
-  // Check for collisions
-  for (var k = bullets.length - 1; k >= 0; k--) {
-    var bullet = bullets[k];
-    for (var l = aliens.length - 1; l >= 0; l--) {
-      var alien = aliens[l];
-      if (bullet.intersects(alien)) {
-        bullet.destroy();
-        alien.destroy();
-        bullets.splice(k, 1);
-        aliens.splice(l, 1);
-        break;
-      }
-    }
-  }
-  // Check if hero reaches command base
-  if (hero.intersects(commandBase)) {
-    LK.showYouWin();
-  }
+	// Update bullets
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		bullet.update();
+		if (bullet.y < 0) {
+			bullet.destroy();
+			bullets.splice(i, 1);
+		}
+	}
+	// Update aliens
+	for (var j = aliens.length - 1; j >= 0; j--) {
+		var alien = aliens[j];
+		alien.update();
+		if (alien.y > 2732) {
+			alien.destroy();
+			aliens.splice(j, 1);
+		}
+	}
+	// Check for collisions
+	for (var k = bullets.length - 1; k >= 0; k--) {
+		var bullet = bullets[k];
+		for (var l = aliens.length - 1; l >= 0; l--) {
+			var alien = aliens[l];
+			if (bullet.intersects(alien)) {
+				bullet.destroy();
+				alien.destroy();
+				bullets.splice(k, 1);
+				aliens.splice(l, 1);
+				break;
+			}
+		}
+		// Check if bullet hits command base
+		if (bullet.intersects(commandBase)) {
+			bullet.destroy();
+			bullets.splice(k, 1);
+			commandBaseHits++; // Increment the commandBaseHits variable
+		}
+	}
+	// Check if command base has been shot 25 times
+	if (commandBaseHits >= 25) {
+		LK.showGameOver();
+	}
 };
 // Event listeners
 game.move = handleMove;
 game.down = function (x, y, obj) {
-  shoot();
+	shoot();
 };
 // Spawn aliens at intervals
 LK.setInterval(spawnAlien, 2000);
\ No newline at end of file