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

/**** 
* Classes
****/ 
var Apple = Container.expand(function (isRotten) {
	var self = Container.call(this);
	self.isRotten = isRotten || false;
	self.speed = 6;
	self.lastY = 0;
	var appleGraphics = self.attachAsset(self.isRotten ? 'rottenApple' : 'redApple', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Basket = Container.expand(function () {
	var self = Container.call(this);
	var basketGraphics = self.attachAsset('basket', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
var basket = game.addChild(new Basket());
basket.x = 2048 / 2;
basket.y = 2732 - 150;
var apples = [];
var dropTimer = 0;
var dropInterval = 90;
var speedIncreaseTimer = 0;
var currentSpeed = 6;
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0x000000
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 50;
var dragNode = null;
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = Math.max(80, Math.min(2048 - 80, x));
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = basket;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	// Update drop timer and spawn apples
	dropTimer++;
	if (dropTimer >= dropInterval) {
		dropTimer = 0;
		var newApple = new Apple(Math.random() < 0.3);
		newApple.x = Math.random() * (2048 - 120) + 60;
		newApple.y = -30;
		newApple.speed = currentSpeed;
		newApple.lastY = newApple.y;
		newApple.lastIntersecting = false;
		apples.push(newApple);
		game.addChild(newApple);
	}
	// Increase difficulty over time
	speedIncreaseTimer++;
	if (speedIncreaseTimer >= 600) {
		// Every 10 seconds at 60fps
		speedIncreaseTimer = 0;
		currentSpeed += 0.5;
		dropInterval = Math.max(30, dropInterval - 5);
	}
	// Update apples
	for (var i = apples.length - 1; i >= 0; i--) {
		var apple = apples[i];
		// Check if apple went off screen
		if (apple.lastY <= 2732 + 50 && apple.y > 2732 + 50) {
			apple.destroy();
			apples.splice(i, 1);
			continue;
		}
		// Check collision with basket
		var currentIntersecting = apple.intersects(basket);
		if (!apple.lastIntersecting && currentIntersecting) {
			if (apple.isRotten) {
				// Caught rotten apple
				LK.setScore(LK.getScore() - 1);
				LK.effects.flashScreen(0xFF0000, 500);
				LK.getSound('catchBad').play();
				// Check lose condition
				if (LK.getScore() <= -10) {
					LK.showGameOver();
				}
			} else {
				// Caught good apple
				LK.setScore(LK.getScore() + 1);
				LK.effects.flashScreen(0x00FF00, 300);
				LK.getSound('catchGood').play();
				// Check win condition
				if (LK.getScore() >= 50) {
					LK.showYouWin();
				}
			}
			scoreTxt.setText(LK.getScore());
			apple.destroy();
			apples.splice(i, 1);
			continue;
		}
		// Update tracking variables
		apple.lastY = apple.y;
		apple.lastIntersecting = currentIntersecting;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -8,9 +8,9 @@
 ****/ 
 var Apple = Container.expand(function (isRotten) {
 	var self = Container.call(this);
 	self.isRotten = isRotten || false;
-	self.speed = 3;
+	self.speed = 6;
 	self.lastY = 0;
 	var appleGraphics = self.attachAsset(self.isRotten ? 'rottenApple' : 'redApple', {
 		anchorX: 0.5,
 		anchorY: 0.5
@@ -45,9 +45,9 @@
 var apples = [];
 var dropTimer = 0;
 var dropInterval = 90;
 var speedIncreaseTimer = 0;
-var currentSpeed = 3;
+var currentSpeed = 6;
 var scoreTxt = new Text2('0', {
 	size: 120,
 	fill: 0x000000
 });