===================================================================
--- original.js
+++ change.js
@@ -1,132 +1,167 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Enemy class
 var Enemy = Container.expand(function () {
-  var self = Container.call(this);
-  var enemyGraphics = self.attachAsset('enemy', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 5;
-  self.update = function () {
-    self.y += self.speed;
-    if (self.y > 2732) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.destroy();
+		}
+	};
 });
 //<Assets used in the game will automatically appear here>
 // Ninja class
 var Ninja = Container.expand(function () {
-  var self = Container.call(this);
-  var ninjaGraphics = self.attachAsset('ninja', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 10;
-  self.update = function () {
-    // Ninja update logic
-  };
-  self.move = function (x, y) {
-    self.x = x;
-    self.y = y;
-  };
+	var self = Container.call(this);
+	var ninjaGraphics = self.attachAsset('ninja', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 10;
+	self.update = function () {
+		// Ninja update logic
+	};
+	self.move = function (x, y) {
+		self.x = x;
+		self.y = y;
+	};
 });
 // Obstacle class
 var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.attachAsset('obstacle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.update = function () {
-    // Obstacle update logic
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		// Obstacle update logic
+	};
 });
+// Weapon class
+var Weapon = Container.expand(function () {
+	var self = Container.call(this);
+	var weaponGraphics = self.attachAsset('weapon', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 15;
+	self.update = function () {
+		self.y -= self.speed;
+		if (self.y < 0) {
+			self.destroy();
+		}
+	};
+});
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize variables
 var ninja;
 var enemies = [];
 var obstacles = [];
+var weapons = [];
 var scoreTxt;
 var score = 0;
 // Initialize game elements
 function initGame() {
-  ninja = game.addChild(new Ninja());
-  ninja.x = 2048 / 2;
-  ninja.y = 2732 - 200;
-  scoreTxt = new Text2('0', {
-    size: 150,
-    fill: "#ffffff"
-  });
-  scoreTxt.anchor.set(0.5, 0);
-  LK.gui.top.addChild(scoreTxt);
-  // Spawn enemies and obstacles
-  LK.setInterval(spawnEnemy, 1000);
-  LK.setInterval(spawnObstacle, 2000);
+	ninja = game.addChild(new Ninja());
+	ninja.x = 2048 / 2;
+	ninja.y = 2732 - 200;
+	scoreTxt = new Text2('0', {
+		size: 150,
+		fill: "#ffffff"
+	});
+	scoreTxt.anchor.set(0.5, 0);
+	LK.gui.top.addChild(scoreTxt);
+	// Spawn enemies and obstacles
+	LK.setInterval(spawnEnemy, 1000);
+	LK.setInterval(spawnObstacle, 2000);
 }
 // Spawn enemy
 function spawnEnemy() {
-  var enemy = new Enemy();
-  enemy.x = Math.random() * 2048;
-  enemy.y = -100;
-  enemies.push(enemy);
-  game.addChild(enemy);
+	var enemy = new Enemy();
+	enemy.x = Math.random() * 2048;
+	enemy.y = -100;
+	enemies.push(enemy);
+	game.addChild(enemy);
 }
 // Spawn obstacle
 function spawnObstacle() {
-  var obstacle = new Obstacle();
-  obstacle.x = Math.random() * 2048;
-  obstacle.y = Math.random() * 2732;
-  obstacles.push(obstacle);
-  game.addChild(obstacle);
+	var obstacle = new Obstacle();
+	obstacle.x = Math.random() * 2048;
+	obstacle.y = Math.random() * 2732;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
 }
 // Handle game updates
 game.update = function () {
-  // Update ninja
-  ninja.update();
-  // Update enemies
-  for (var i = enemies.length - 1; i >= 0; i--) {
-    enemies[i].update();
-    if (ninja.intersects(enemies[i])) {
-      gameOver();
-    }
-  }
-  // Update obstacles
-  for (var j = obstacles.length - 1; j >= 0; j--) {
-    obstacles[j].update();
-    if (ninja.intersects(obstacles[j])) {
-      gameOver();
-    }
-  }
-  // Update score
-  scoreTxt.setText(score);
+	// Update ninja
+	ninja.update();
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		enemies[i].update();
+		if (ninja.intersects(enemies[i])) {
+			gameOver();
+		}
+	}
+	// Update obstacles
+	for (var j = obstacles.length - 1; j >= 0; j--) {
+		obstacles[j].update();
+		if (ninja.intersects(obstacles[j])) {
+			gameOver();
+		}
+	}
+	// Update weapons
+	for (var k = weapons.length - 1; k >= 0; k--) {
+		weapons[k].update();
+		for (var i = enemies.length - 1; i >= 0; i--) {
+			if (weapons[k].intersects(enemies[i])) {
+				enemies[i].destroy();
+				weapons[k].destroy();
+				enemies.splice(i, 1);
+				weapons.splice(k, 1);
+				score += 10;
+				break;
+			}
+		}
+	}
+	// Update score
+	scoreTxt.setText(score);
 };
 // Handle game over
 function gameOver() {
-  LK.effects.flashScreen(0xff0000, 1000);
-  LK.showGameOver();
+	LK.effects.flashScreen(0xff0000, 1000);
+	LK.showGameOver();
 }
 // Handle touch/mouse events
 game.down = function (x, y, obj) {
-  ninja.move(x, y);
+	ninja.move(x, y);
+	var weapon = new Weapon();
+	weapon.x = ninja.x;
+	weapon.y = ninja.y - 50;
+	weapons.push(weapon);
+	game.addChild(weapon);
 };
 game.move = function (x, y, obj) {
-  ninja.move(x, y);
+	ninja.move(x, y);
 };
 game.up = function (x, y, obj) {
-  // No action needed on up event
+	// No action needed on up event
 };
 // Initialize game
 initGame();
\ No newline at end of file