===================================================================
--- original.js
+++ change.js
@@ -1,118 +1,118 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 // Balloon class
 var Balloon = Container.expand(function () {
-  var self = Container.call(this);
-  var colors = [0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xff00ff];
-  var color = colors[Math.floor(Math.random() * colors.length)];
-  var balloonGraphics = self.attachAsset('balloon', {
-    width: 100,
-    height: 150,
-    color: color,
-    shape: 'ellipse',
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = Math.random() * 2 + 1;
-  self.update = function () {
-    self.y -= self.speed;
-    if (self.y < -100) {
-      self.destroy();
-    }
-  };
-  self.down = function (x, y, obj) {
-    if (color === 0xff0000) {
-      // Red balloon explodes
-      explode(self.x, self.y);
-    } else {
-      // Other balloons just pop
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var colors = [0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xff00ff];
+	var color = colors[Math.floor(Math.random() * colors.length)];
+	var balloonGraphics = self.attachAsset('balloon', {
+		width: 100,
+		height: 150,
+		color: color,
+		shape: 'ellipse',
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = Math.random() * 2 + 1;
+	self.update = function () {
+		self.y -= self.speed;
+		if (self.y < -100) {
+			self.destroy();
+		}
+	};
+	self.down = function (x, y, obj) {
+		if (color === 0xff0000) {
+			// Red balloon explodes
+			explode(self.x, self.y);
+		} else {
+			// Other balloons just pop
+			self.destroy();
+		}
+	};
 });
 // Explosion class
 var Explosion = Container.expand(function () {
-  var self = Container.call(this);
-  var explosionGraphics = self.attachAsset('explosion', {
-    width: 200,
-    height: 200,
-    color: 0xffa500,
-    shape: 'ellipse',
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.update = function () {
-    explosionGraphics.alpha -= 0.05;
-    if (explosionGraphics.alpha <= 0) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var explosionGraphics = self.attachAsset('explosion', {
+		width: 200,
+		height: 200,
+		color: 0xffa500,
+		shape: 'ellipse',
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		explosionGraphics.alpha -= 0.05;
+		if (explosionGraphics.alpha <= 0) {
+			self.destroy();
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x87ceeb // Init game with sky blue background
+	backgroundColor: 0x87ceeb // Init game with sky blue background
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 var balloons = [];
 var score = 0;
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 function spawnBalloon() {
-  var balloon = new Balloon();
-  balloon.x = Math.random() * 2048;
-  balloon.y = 2732 + 100;
-  balloons.push(balloon);
-  game.addChild(balloon);
+	var balloon = new Balloon();
+	balloon.x = Math.random() * 2048;
+	balloon.y = 2732 + 100;
+	balloons.push(balloon);
+	game.addChild(balloon);
 }
 function explode(x, y) {
-  var explosion = new Explosion();
-  explosion.x = x;
-  explosion.y = y;
-  game.addChild(explosion);
-  // Destroy nearby balloons
-  for (var i = balloons.length - 1; i >= 0; i--) {
-    if (Math.abs(balloons[i].x - x) < 200 && Math.abs(balloons[i].y - y) < 200) {
-      balloons[i].destroy();
-      balloons.splice(i, 1);
-      score++;
-      scoreTxt.setText(score);
-    }
-  }
+	var explosion = new Explosion();
+	explosion.x = x;
+	explosion.y = y;
+	game.addChild(explosion);
+	// Destroy nearby balloons
+	for (var i = balloons.length - 1; i >= 0; i--) {
+		if (Math.abs(balloons[i].x - x) < 200 && Math.abs(balloons[i].y - y) < 200) {
+			balloons[i].destroy();
+			balloons.splice(i, 1);
+			score++;
+			scoreTxt.setText(score);
+		}
+	}
 }
 game.update = function () {
-  for (var i = balloons.length - 1; i >= 0; i--) {
-    balloons[i].update();
-    if (balloons[i].y < -100) {
-      balloons.splice(i, 1);
-    }
-  }
-  if (LK.ticks % 60 == 0) {
-    spawnBalloon();
-  }
+	for (var i = balloons.length - 1; i >= 0; i--) {
+		balloons[i].update();
+		if (balloons[i].y < -100) {
+			balloons.splice(i, 1);
+		}
+	}
+	if (LK.ticks % 60 == 0) {
+		spawnBalloon();
+	}
 };
 game.down = function (x, y, obj) {
-  for (var i = balloons.length - 1; i >= 0; i--) {
-    if (balloons[i].containsPoint({
-      x: x,
-      y: y
-    })) {
-      balloons[i].down(x, y, obj);
-      balloons.splice(i, 1);
-      score++;
-      scoreTxt.setText(score);
-      break;
-    }
-  }
+	for (var i = balloons.length - 1; i >= 0; i--) {
+		if (balloons[i].intersects({
+			x: x,
+			y: y
+		})) {
+			balloons[i].down(x, y, obj);
+			balloons.splice(i, 1);
+			score++;
+			scoreTxt.setText(score);
+			break;
+		}
+	}
 };
\ No newline at end of file