===================================================================
--- original.js
+++ change.js
@@ -1,142 +1,142 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Bullet class for projectiles fired by towers
 var Bullet = Container.expand(function (startX, startY, target) {
-  var self = Container.call(this);
-  var bulletGraphics = self.attachAsset('bullet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 10;
-  self.target = target;
-  self.x = startX;
-  self.y = startY;
-  self.update = function () {
-    var dx = self.target.x - self.x;
-    var dy = self.target.y - self.y;
-    var distance = Math.sqrt(dx * dx + dy * dy);
-    if (distance < 10) {
-      self.target.hit();
-      self.destroy();
-    } else {
-      self.x += dx / distance * self.speed;
-      self.y += dy / distance * self.speed;
-    }
-  };
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 10;
+	self.target = target;
+	self.x = startX;
+	self.y = startY;
+	self.update = function () {
+		var dx = self.target.x - self.x;
+		var dy = self.target.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < 10) {
+			self.target.hit();
+			self.destroy();
+		} else {
+			self.x += dx / distance * self.speed;
+			self.y += dy / distance * self.speed;
+		}
+	};
 });
 // Enemy class for the creatures attacking the realm
 var Enemy = Container.expand(function () {
-  var self = Container.call(this);
-  var enemyGraphics = self.attachAsset('enemy', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 2;
-  self.health = 100;
-  self.update = function () {
-    self.x -= self.speed;
-    if (self.x < 0) {
-      // Enemy reached the end, game over logic
-      LK.showGameOver();
-    }
-  };
-  self.hit = function () {
-    self.health -= 50;
-    if (self.health <= 0) {
-      self.destroy();
-      enemies.splice(enemies.indexOf(self), 1);
-    }
-  };
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.health = 100;
+	self.update = function () {
+		self.x -= self.speed;
+		if (self.x < 0) {
+			// Enemy reached the end, game over logic
+			LK.showGameOver();
+		}
+	};
+	self.hit = function () {
+		self.health -= 50;
+		if (self.health <= 0) {
+			self.destroy();
+			enemies.splice(enemies.indexOf(self), 1);
+		}
+	};
 });
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
 // Tower class to represent defense towers
 var Tower = Container.expand(function () {
-  var self = Container.call(this);
-  var towerGraphics = self.attachAsset('tower', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.range = 300;
-  self.fireRate = 60; // Fire every 60 frames
-  self.fireCooldown = 0;
-  self.update = function () {
-    if (self.fireCooldown > 0) {
-      self.fireCooldown--;
-    }
-  };
-  self.canFire = function () {
-    return self.fireCooldown === 0;
-  };
-  self.fire = function (target) {
-    if (self.canFire()) {
-      var bullet = new Bullet(self.x, self.y, target);
-      game.addChild(bullet);
-      bullets.push(bullet);
-      self.fireCooldown = self.fireRate;
-    }
-  };
+	var self = Container.call(this);
+	var towerGraphics = self.attachAsset('tower', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.range = 300;
+	self.fireRate = 60; // Fire every 60 frames
+	self.fireCooldown = 0;
+	self.update = function () {
+		if (self.fireCooldown > 0) {
+			self.fireCooldown--;
+		}
+	};
+	self.canFire = function () {
+		return self.fireCooldown === 0;
+	};
+	self.fire = function (target) {
+		if (self.canFire()) {
+			var bullet = new Bullet(self.x, self.y, target);
+			game.addChild(bullet);
+			bullets.push(bullet);
+			self.fireCooldown = self.fireRate;
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundImage: 'green_meadow'
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize arrays and variables
 var towers = [];
 var bullets = [];
 var enemies = [];
 // Create and position towers
 function createTowers() {
-  var tower1 = new Tower();
-  tower1.x = 500;
-  tower1.y = 1366;
-  game.addChild(tower1);
-  towers.push(tower1);
-  var tower2 = new Tower();
-  tower2.x = 1500;
-  tower2.y = 1366;
-  game.addChild(tower2);
-  towers.push(tower2);
+	var tower1 = new Tower();
+	tower1.x = 500;
+	tower1.y = 1366;
+	game.addChild(tower1);
+	towers.push(tower1);
+	var tower2 = new Tower();
+	tower2.x = 1500;
+	tower2.y = 1366;
+	game.addChild(tower2);
+	towers.push(tower2);
 }
 // Spawn enemies at intervals
 function spawnEnemy() {
-  var enemy = new Enemy();
-  enemy.x = 2048;
-  enemy.y = Math.random() * 2732;
-  game.addChild(enemy);
-  enemies.push(enemy);
+	var enemy = new Enemy();
+	enemy.x = 2048;
+	enemy.y = Math.random() * 2732;
+	game.addChild(enemy);
+	enemies.push(enemy);
 }
 // Game update loop
 game.update = function () {
-  // Update towers
-  towers.forEach(function (tower) {
-    tower.update();
-    enemies.forEach(function (enemy) {
-      if (tower.canFire() && Math.abs(tower.x - enemy.x) < tower.range) {
-        tower.fire(enemy);
-      }
-    });
-  });
-  // Update bullets
-  bullets.forEach(function (bullet) {
-    bullet.update();
-  });
-  // Update enemies
-  enemies.forEach(function (enemy) {
-    enemy.update();
-  });
-  // Spawn enemies every 120 frames
-  if (LK.ticks % 120 === 0) {
-    spawnEnemy();
-  }
+	// Update towers
+	towers.forEach(function (tower) {
+		tower.update();
+		enemies.forEach(function (enemy) {
+			if (tower.canFire() && Math.abs(tower.x - enemy.x) < tower.range) {
+				tower.fire(enemy);
+			}
+		});
+	});
+	// Update bullets
+	bullets.forEach(function (bullet) {
+		bullet.update();
+	});
+	// Update enemies
+	enemies.forEach(function (enemy) {
+		enemy.update();
+	});
+	// Spawn enemies every 120 frames
+	if (LK.ticks % 120 === 0) {
+		spawnEnemy();
+	}
 };
 // Initialize game elements
 createTowers();
\ No newline at end of file