/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Bubble = Container.expand(function () {
	var self = Container.call(this);
	self.bubbleType = 'normal';
	self.speed = 2;
	self.size = 1;
	self.popped = false;
	var bubbleGraphics = self.attachAsset('bubble', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setType = function (type, size) {
		self.bubbleType = type;
		self.size = size || 1;
		if (type === 'golden') {
			self.removeChildren();
			bubbleGraphics = self.attachAsset('goldenBubble', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			bubbleGraphics.tint = 0xFFD700;
		} else if (size < 1) {
			self.removeChildren();
			bubbleGraphics = self.attachAsset('smallBubble', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			var colors = [0xFF6B6B, 0x4ECDC4, 0x45B7D1, 0xFDAA4C, 0xA8E6CF];
			bubbleGraphics.tint = colors[Math.floor(Math.random() * colors.length)];
		} else {
			var colors = [0xFF6B6B, 0x4ECDC4, 0x45B7D1, 0xFDAA4C, 0xA8E6CF];
			bubbleGraphics.tint = colors[Math.floor(Math.random() * colors.length)];
		}
		self.scaleX = self.scaleY = self.size * 2.0;
	};
	self.pop = function () {
		if (self.popped) {
			return [];
		}
		self.popped = true;
		var newBubbles = [];
		if (self.bubbleType === 'golden') {
			LK.getSound('goldPop').play();
		} else {
			LK.getSound('pop').play();
		}
		tween(self, {
			scaleX: self.size * 2.4,
			scaleY: self.size * 2.4,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut
		});
		if (self.size >= 1 && self.bubbleType !== 'golden') {
			var numBubbles = 2 + Math.floor(Math.random() * 2);
			for (var i = 0; i < numBubbles; i++) {
				var angle = Math.PI * 2 / numBubbles * i;
				newBubbles.push({
					x: self.x + Math.cos(angle) * 80,
					y: self.y + Math.sin(angle) * 80,
					size: 0.5
				});
			}
		}
		return newBubbles;
	};
	self.update = function () {
		if (!self.popped) {
			self.y -= self.speed;
			self.x += Math.sin(LK.ticks * 0.02 + self.y * 0.01) * 1.5;
		}
	};
	self.down = function (x, y, obj) {
		if (!self.popped) {
			game.popBubble(self);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1A237E
});

/**** 
* Game Code
****/ 
game.setBackgroundColor(0x0D47A1);
var bubbles = [];
var missedBubbles = 0;
var speedMultiplier = 1;
var lastSpeedIncrease = 0;
var comboCount = 0;
var lastPopTime = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var missedTxt = new Text2('Missed: 0/10', {
	size: 100,
	fill: 0xFF6B6B
});
missedTxt.anchor.set(1, 0);
missedTxt.x = -20;
LK.gui.topRight.addChild(missedTxt);
var comboTxt = new Text2('', {
	size: 120,
	fill: 0xFFD700
});
comboTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(comboTxt);
game.popBubble = function (bubble) {
	var currentTime = Date.now();
	if (currentTime - lastPopTime < 1000) {
		comboCount++;
		if (comboCount > 2) {
			LK.getSound('combo').play();
			comboTxt.setText('Combo x' + comboCount + '!');
			comboTxt.alpha = 1;
			tween(comboTxt, {
				alpha: 0
			}, {
				duration: 1000,
				easing: tween.easeOut
			});
		}
	} else {
		comboCount = 1;
	}
	lastPopTime = currentTime;
	var points = 10;
	if (bubble.bubbleType === 'golden') {
		points = 100;
		clearAllBubbles();
	} else {
		points *= comboCount;
		if (bubble.size < 1) {
			points = Math.floor(points * 0.5);
		}
	}
	LK.setScore(LK.getScore() + points);
	scoreTxt.setText(LK.getScore());
	// Game is now infinite - no win condition
	var newBubbleData = bubble.pop();
	for (var i = 0; i < newBubbleData.length; i++) {
		var data = newBubbleData[i];
		var newBubble = new Bubble();
		newBubble.setType('normal', data.size);
		newBubble.x = data.x;
		newBubble.y = data.y;
		newBubble.speed = speedMultiplier * 2;
		bubbles.push(newBubble);
		game.addChild(newBubble);
	}
};
function clearAllBubbles() {
	for (var i = bubbles.length - 1; i >= 0; i--) {
		var bubble = bubbles[i];
		if (!bubble.popped) {
			bubble.pop();
			LK.setScore(LK.getScore() + 5);
		}
	}
	scoreTxt.setText(LK.getScore());
}
function spawnBubble() {
	var bubble = new Bubble();
	if (Math.random() < 0.05) {
		bubble.setType('golden');
	} else {
		bubble.setType('normal');
	}
	bubble.x = 200 + Math.random() * (2048 - 400);
	bubble.y = 2732 + 100;
	bubble.speed = speedMultiplier * (2 + Math.random() * 2);
	bubbles.push(bubble);
	game.addChild(bubble);
}
game.update = function () {
	if (LK.ticks - lastSpeedIncrease > 1800) {
		speedMultiplier += 0.2;
		lastSpeedIncrease = LK.ticks;
	}
	if (LK.ticks % Math.floor(80 / speedMultiplier) === 0) {
		spawnBubble();
	}
	for (var i = bubbles.length - 1; i >= 0; i--) {
		var bubble = bubbles[i];
		if (bubble.lastY === undefined) {
			bubble.lastY = bubble.y;
		}
		if (bubble.lastY > -100 && bubble.y <= -100 && !bubble.popped) {
			missedBubbles++;
			missedTxt.setText('Missed: ' + missedBubbles + '/10');
			if (missedBubbles >= 10) {
				LK.showGameOver();
			}
			bubble.destroy();
			bubbles.splice(i, 1);
			continue;
		}
		if (bubble.popped && bubble.alpha <= 0) {
			bubble.destroy();
			bubbles.splice(i, 1);
			continue;
		}
		bubble.lastY = bubble.y;
	}
};
LK.playMusic('bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -193,9 +193,9 @@
 	if (LK.ticks - lastSpeedIncrease > 1800) {
 		speedMultiplier += 0.2;
 		lastSpeedIncrease = LK.ticks;
 	}
-	if (LK.ticks % Math.floor(120 / speedMultiplier) === 0) {
+	if (LK.ticks % Math.floor(80 / speedMultiplier) === 0) {
 		spawnBubble();
 	}
 	for (var i = bubbles.length - 1; i >= 0; i--) {
 		var bubble = bubbles[i];