===================================================================
--- original.js
+++ change.js
@@ -1,45 +1,46 @@
-/****
+/**** 
 * Classes
 ****/
 // Hero class
 var Hero = Container.expand(function () {
-  var self = Container.call(this);
-  var heroGraphics = self.createAsset('hero', 'Hero character', 0.5, 0.5);
-  self.shoot = function () {
-    // Hero shoot logic
-  };
-  self.update = function () {
-    // Hero update logic
-  };
+	var self = Container.call(this);
+	var heroGraphics = self.createAsset('hero', 'Hero character', 0.5, 0.5);
+	self.shoot = function () {
+		// Hero shoot logic
+	};
+	self.update = function () {
+		// Hero update logic
+	};
 });
 // Enemy class
 var Enemy = Container.expand(function () {
-  var self = Container.call(this);
-  var enemyGraphics = self.createAsset('enemy', 'Enemy character', 0.5, 0.5);
-  self.speed = 2;
-  self.move = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var enemyGraphics = self.createAsset('enemy', 'Enemy character', 0.5, 0.5);
+	self.speed = 2;
+	self.move = function () {
+		self.y += self.speed;
+	};
 });
-// Bullet class
-var Bullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.createAsset('bullet', 'Bullet Graphics', 0.5, 0.5);
-  self.speed = -10;
-  self.move = function () {
-    self.y += self.speed;
-  };
+// BlueSquareBullet class
+var BlueSquareBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.createAsset('blueSquare', 'Blue Square Bullet', 0.5, 0.5);
+	bulletGraphics.tint = 0x0000ff; // Tint the bullet blue
+	self.speed = -10;
+	self.move = function () {
+		self.y += self.speed;
+	};
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background
+	backgroundColor: 0x000000 // Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
 // Initialize important asset arrays
 var bullets = [];
@@ -49,85 +50,90 @@
 hero.x = 2048 / 2;
 hero.y = 2732 - 200; // Position hero near the bottom of the screen
 // Score display
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Game logic
 var isGameOver = false;
 var score = 0;
 // Event listeners
 game.on('down', function (obj) {
-  var touchPos = obj.event.getLocalPosition(game);
-  hero.x = touchPos.x;
-  hero.shoot();
+	var touchPos = obj.event.getLocalPosition(game);
+	hero.x = touchPos.x;
+	hero.shoot();
 });
+window.addEventListener('keydown', function (e) {
+	if (e.key === 'k' || e.key === 'K') {
+		hero.shoot();
+	}
+});
 LK.on('tick', function () {
-  if (!isGameOver) {
-    // Update hero
-    hero.update();
-    // Move and check bullets
-    for (var b = bullets.length - 1; b >= 0; b--) {
-      bullets[b].move();
-      if (bullets[b].y < 0) {
-        bullets[b].destroy();
-        bullets.splice(b, 1);
-      } else {
-        // Check for bullet-enemy collisions
-        for (var e = enemies.length - 1; e >= 0; e--) {
-          if (bullets[b].intersects(enemies[e])) {
-            score += 1;
-            scoreTxt.setText(score.toString());
-            enemies[e].destroy();
-            enemies.splice(e, 1);
-            bullets[b].destroy();
-            bullets.splice(b, 1);
-            break;
-          }
-        }
-      }
-    }
-    // Move and check enemies
-    for (var e = enemies.length - 1; e >= 0; e--) {
-      enemies[e].move();
-      if (enemies[e].y > 2732) {
-        enemies[e].destroy();
-        enemies.splice(e, 1);
-      } else if (enemies[e].intersects(hero)) {
-        isGameOver = true;
-        LK.effects.flashScreen(0xff0000, 1000);
-        LK.showGameOver();
-      }
-    }
-    // Spawn enemies
-    if (LK.ticks % 120 == 0) {
-      var newEnemy = new Enemy();
-      newEnemy.x = Math.random() * 2048;
-      newEnemy.y = -50;
-      enemies.push(newEnemy);
-      game.addChild(newEnemy);
-    }
-  }
+	if (!isGameOver) {
+		// Update hero
+		hero.update();
+		// Move and check bullets
+		for (var b = bullets.length - 1; b >= 0; b--) {
+			bullets[b].move();
+			if (bullets[b].y < 0) {
+				bullets[b].destroy();
+				bullets.splice(b, 1);
+			} else {
+				// Check for bullet-enemy collisions
+				for (var e = enemies.length - 1; e >= 0; e--) {
+					if (bullets[b].intersects(enemies[e])) {
+						score += 1;
+						scoreTxt.setText(score.toString());
+						enemies[e].destroy();
+						enemies.splice(e, 1);
+						bullets[b].destroy();
+						bullets.splice(b, 1);
+						break;
+					}
+				}
+			}
+		}
+		// Move and check enemies
+		for (var e = enemies.length - 1; e >= 0; e--) {
+			enemies[e].move();
+			if (enemies[e].y > 2732) {
+				enemies[e].destroy();
+				enemies.splice(e, 1);
+			} else if (enemies[e].intersects(hero)) {
+				isGameOver = true;
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+			}
+		}
+		// Spawn enemies
+		if (LK.ticks % 120 == 0) {
+			var newEnemy = new Enemy();
+			newEnemy.x = Math.random() * 2048;
+			newEnemy.y = -50;
+			enemies.push(newEnemy);
+			game.addChild(newEnemy);
+		}
+	}
 });
 // Hero shoot method
 Hero.prototype.shoot = function () {
-  var newBullet = new Bullet();
-  newBullet.x = this.x;
-  newBullet.y = this.y;
-  bullets.push(newBullet);
-  game.addChild(newBullet);
+	var newBullet = new BlueSquareBullet();
+	newBullet.x = this.x;
+	newBullet.y = this.y;
+	bullets.push(newBullet);
+	game.addChild(newBullet);
 };
 // Hero update method
 Hero.prototype.update = function () {
-  // Add hero update logic if needed
+	// Add hero update logic if needed
 };
 // Enemy move method
 Enemy.prototype.move = function () {
-  this.y += this.speed;
+	this.y += this.speed;
 };
 // Bullet move method
 Bullet.prototype.move = function () {
-  this.y += this.speed;
+	this.y += this.speed;
 };
\ No newline at end of file