===================================================================
--- original.js
+++ change.js
@@ -1,100 +1,100 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
 // Bubble class representing the target bubbles
 var Bubble = Container.expand(function () {
-  var self = Container.call(this);
-  var bubbleGraphics = self.attachAsset('bubble', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 2;
-  self.update = function () {
-    self.y += self.speed;
-    if (self.y > 2732) {
-      self.y = -bubbleGraphics.height;
-      self.x = Math.random() * 2048;
-    }
-  };
+	var self = Container.call(this);
+	var bubbleGraphics = self.attachAsset('bubble', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -bubbleGraphics.height;
+			self.x = Math.random() * 2048;
+		}
+	};
 });
 // Bullet class representing the player's bullets
 var Bullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.attachAsset('bullet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -10;
-  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 = -20;
+	self.update = 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 variables
 var bubbles = [];
 var bullets = [];
 var score = 0;
 // Create and position bubbles
-for (var i = 0; i < 5; i++) {
-  var bubble = new Bubble();
-  bubble.x = Math.random() * 2048;
-  bubble.y = Math.random() * 2732;
-  bubbles.push(bubble);
-  game.addChild(bubble);
+for (var i = 0; i < 10; i++) {
+	var bubble = new Bubble();
+	bubble.x = Math.random() * 2048;
+	bubble.y = Math.random() * 2732;
+	bubbles.push(bubble);
+	game.addChild(bubble);
 }
 // Create score display
 var scoreTxt = new Text2('Score: 0', {
-  size: 100,
-  fill: 0xFFFFFF
+	size: 100,
+	fill: 0xFFFFFF
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Handle shooting
 game.down = function (x, y, obj) {
-  var bullet = new Bullet();
-  bullet.x = x;
-  bullet.y = y;
-  bullets.push(bullet);
-  game.addChild(bullet);
+	var bullet = new Bullet();
+	bullet.x = x;
+	bullet.y = y;
+	bullets.push(bullet);
+	game.addChild(bullet);
 };
 // Update game state
 game.update = function () {
-  // Update bubbles
-  for (var i = 0; i < bubbles.length; i++) {
-    bubbles[i].update();
-  }
-  // Update bullets
-  for (var j = bullets.length - 1; j >= 0; j--) {
-    bullets[j].update();
-    if (bullets[j].y < -50) {
-      bullets[j].destroy();
-      bullets.splice(j, 1);
-    }
-  }
-  // Check for collisions
-  for (var k = bullets.length - 1; k >= 0; k--) {
-    for (var l = bubbles.length - 1; l >= 0; l--) {
-      if (bullets[k].intersects(bubbles[l])) {
-        bullets[k].destroy();
-        bullets.splice(k, 1);
-        bubbles[l].destroy();
-        bubbles.splice(l, 1);
-        score += 10;
-        scoreTxt.setText('Score: ' + score);
-        break;
-      }
-    }
-  }
+	// Update bubbles
+	for (var i = 0; i < bubbles.length; i++) {
+		bubbles[i].update();
+	}
+	// Update bullets
+	for (var j = bullets.length - 1; j >= 0; j--) {
+		bullets[j].update();
+		if (bullets[j].y < -50) {
+			bullets[j].destroy();
+			bullets.splice(j, 1);
+		}
+	}
+	// Check for collisions
+	for (var k = bullets.length - 1; k >= 0; k--) {
+		for (var l = bubbles.length - 1; l >= 0; l--) {
+			if (bullets[k].intersects(bubbles[l])) {
+				bullets[k].destroy();
+				bullets.splice(k, 1);
+				bubbles[l].destroy();
+				bubbles.splice(l, 1);
+				score += 20;
+				scoreTxt.setText('Score: ' + score);
+				break;
+			}
+		}
+	}
 };
\ No newline at end of file