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

/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12; // Much faster initial speed
	self.lastY = undefined;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Ball2 = Container.expand(function () {
	var self = Container.call(this);
	var ball2Graphics = self.attachAsset('Ball2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 14; // Slightly different speed than Ball
	self.lastY = undefined;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Cube = Container.expand(function () {
	var self = Container.call(this);
	var cubeGraphics = self.attachAsset('cube', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var cube = game.addChild(new Cube());
cube.x = 2048 / 2;
cube.y = 2732 - 200;
var balls = [];
var balls2 = [];
var ballTypeCounter = 0;
var ballSpawnTimer = 0;
var ballSpawnInterval = 20; // Spawn ball every 20 frames (faster for music sync)
var difficultyTimer = 0;
var gameStarted = false;
// Score display
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Music will start when first ball is caught
gameStarted = false;
// Touch controls for cube movement
var isDragging = false;
game.down = function (x, y, obj) {
	isDragging = true;
	cube.x = x;
};
game.move = function (x, y, obj) {
	if (isDragging) {
		cube.x = Math.max(75, Math.min(2048 - 75, x)); // Keep cube within screen bounds
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.update = function () {
	// Spawn balls
	ballSpawnTimer++;
	if (ballSpawnTimer >= ballSpawnInterval) {
		ballTypeCounter++;
		if (ballTypeCounter % 2 === 0) {
			// Spawn Ball type
			var newBall = new Ball();
			newBall.x = Math.random() * (2048 - 160) + 80; // Random x position within screen bounds
			newBall.y = -40;
			newBall.lastY = newBall.y;
			// Add subtle scale animation for musical sync feeling
			newBall.scaleX = 0.3;
			newBall.scaleY = 0.3;
			tween(newBall, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.easeOut
			});
			balls.push(newBall);
			game.addChild(newBall);
		} else {
			// Spawn Ball2 type
			var newBall2 = new Ball2();
			newBall2.x = Math.random() * (2048 - 160) + 80; // Random x position within screen bounds
			newBall2.y = -40;
			newBall2.lastY = newBall2.y;
			// Add subtle scale animation for musical sync feeling
			newBall2.scaleX = 0.3;
			newBall2.scaleY = 0.3;
			tween(newBall2, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.easeOut
			});
			balls2.push(newBall2);
			game.addChild(newBall2);
		}
		ballSpawnTimer = 0;
	}
	// Update difficulty - increase ball speed and spawn rate over time
	difficultyTimer++;
	if (difficultyTimer % 600 === 0) {
		// Every 10 seconds
		ballSpawnInterval = Math.max(10, ballSpawnInterval - 2); // Spawn much faster, minimum 10 frames
		for (var i = 0; i < balls.length; i++) {
			balls[i].speed = Math.min(18, balls[i].speed + 0.5); // Increase speed more aggressively, higher maximum
		}
		for (var j = 0; j < balls2.length; j++) {
			balls2[j].speed = Math.min(18, balls2[j].speed + 0.5); // Increase speed for Ball2 as well
		}
	}
	// Check ball collisions and cleanup
	for (var i = balls.length - 1; i >= 0; i--) {
		var ball = balls[i];
		// Check if ball was caught by cube
		if (ball.intersects(cube)) {
			// Start music on first ball catch
			if (!gameStarted) {
				LK.playMusic('backgroundMusic');
				gameStarted = true;
			}
			// Ball caught - increase score
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			// Play catch sound
			LK.getSound('catch').play();
			// Remove ball
			ball.destroy();
			balls.splice(i, 1);
			continue;
		}
		// Check if ball hit the ground (missed)
		if (ball.lastY < 2732 && ball.y >= 2732) {
			// Ball missed - stop music and end game
			LK.stopMusic();
			LK.showGameOver();
			return;
		}
		// Update last position for ground detection
		ball.lastY = ball.y;
		// Remove balls that are way off screen
		if (ball.y > 2800) {
			ball.destroy();
			balls.splice(i, 1);
		}
	}
	// Check Ball2 collisions and cleanup
	for (var k = balls2.length - 1; k >= 0; k--) {
		var ball2 = balls2[k];
		// Check if ball2 was caught by cube
		if (ball2.intersects(cube)) {
			// Start music on first ball catch
			if (!gameStarted) {
				LK.playMusic('backgroundMusic');
				gameStarted = true;
			}
			// Ball2 caught - increase score
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			// Play catch sound
			LK.getSound('catch').play();
			// Remove ball2
			ball2.destroy();
			balls2.splice(k, 1);
			continue;
		}
		// Check if ball2 hit the ground (missed)
		if (ball2.lastY < 2732 && ball2.y >= 2732) {
			// Ball2 missed - stop music and end game
			LK.stopMusic();
			LK.showGameOver();
			return;
		}
		// Update last position for ground detection
		ball2.lastY = ball2.y;
		// Remove balls2 that are way off screen
		if (ball2.y > 2800) {
			ball2.destroy();
			balls2.splice(k, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -18,8 +18,21 @@
 		self.y += self.speed;
 	};
 	return self;
 });
+var Ball2 = Container.expand(function () {
+	var self = Container.call(this);
+	var ball2Graphics = self.attachAsset('Ball2', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 14; // Slightly different speed than Ball
+	self.lastY = undefined;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
 var Cube = Container.expand(function () {
 	var self = Container.call(this);
 	var cubeGraphics = self.attachAsset('cube', {
 		anchorX: 0.5,
@@ -41,8 +54,10 @@
 var cube = game.addChild(new Cube());
 cube.x = 2048 / 2;
 cube.y = 2732 - 200;
 var balls = [];
+var balls2 = [];
+var ballTypeCounter = 0;
 var ballSpawnTimer = 0;
 var ballSpawnInterval = 20; // Spawn ball every 20 frames (faster for music sync)
 var difficultyTimer = 0;
 var gameStarted = false;
@@ -72,24 +87,46 @@
 game.update = function () {
 	// Spawn balls
 	ballSpawnTimer++;
 	if (ballSpawnTimer >= ballSpawnInterval) {
-		var newBall = new Ball();
-		newBall.x = Math.random() * (2048 - 160) + 80; // Random x position within screen bounds
-		newBall.y = -40;
-		newBall.lastY = newBall.y;
-		// Add subtle scale animation for musical sync feeling
-		newBall.scaleX = 0.3;
-		newBall.scaleY = 0.3;
-		tween(newBall, {
-			scaleX: 1,
-			scaleY: 1
-		}, {
-			duration: 200,
-			easing: tween.easeOut
-		});
-		balls.push(newBall);
-		game.addChild(newBall);
+		ballTypeCounter++;
+		if (ballTypeCounter % 2 === 0) {
+			// Spawn Ball type
+			var newBall = new Ball();
+			newBall.x = Math.random() * (2048 - 160) + 80; // Random x position within screen bounds
+			newBall.y = -40;
+			newBall.lastY = newBall.y;
+			// Add subtle scale animation for musical sync feeling
+			newBall.scaleX = 0.3;
+			newBall.scaleY = 0.3;
+			tween(newBall, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 200,
+				easing: tween.easeOut
+			});
+			balls.push(newBall);
+			game.addChild(newBall);
+		} else {
+			// Spawn Ball2 type
+			var newBall2 = new Ball2();
+			newBall2.x = Math.random() * (2048 - 160) + 80; // Random x position within screen bounds
+			newBall2.y = -40;
+			newBall2.lastY = newBall2.y;
+			// Add subtle scale animation for musical sync feeling
+			newBall2.scaleX = 0.3;
+			newBall2.scaleY = 0.3;
+			tween(newBall2, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 200,
+				easing: tween.easeOut
+			});
+			balls2.push(newBall2);
+			game.addChild(newBall2);
+		}
 		ballSpawnTimer = 0;
 	}
 	// Update difficulty - increase ball speed and spawn rate over time
 	difficultyTimer++;
@@ -98,8 +135,11 @@
 		ballSpawnInterval = Math.max(10, ballSpawnInterval - 2); // Spawn much faster, minimum 10 frames
 		for (var i = 0; i < balls.length; i++) {
 			balls[i].speed = Math.min(18, balls[i].speed + 0.5); // Increase speed more aggressively, higher maximum
 		}
+		for (var j = 0; j < balls2.length; j++) {
+			balls2[j].speed = Math.min(18, balls2[j].speed + 0.5); // Increase speed for Ball2 as well
+		}
 	}
 	// Check ball collisions and cleanup
 	for (var i = balls.length - 1; i >= 0; i--) {
 		var ball = balls[i];
@@ -134,5 +174,40 @@
 			ball.destroy();
 			balls.splice(i, 1);
 		}
 	}
+	// Check Ball2 collisions and cleanup
+	for (var k = balls2.length - 1; k >= 0; k--) {
+		var ball2 = balls2[k];
+		// Check if ball2 was caught by cube
+		if (ball2.intersects(cube)) {
+			// Start music on first ball catch
+			if (!gameStarted) {
+				LK.playMusic('backgroundMusic');
+				gameStarted = true;
+			}
+			// Ball2 caught - increase score
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore());
+			// Play catch sound
+			LK.getSound('catch').play();
+			// Remove ball2
+			ball2.destroy();
+			balls2.splice(k, 1);
+			continue;
+		}
+		// Check if ball2 hit the ground (missed)
+		if (ball2.lastY < 2732 && ball2.y >= 2732) {
+			// Ball2 missed - stop music and end game
+			LK.stopMusic();
+			LK.showGameOver();
+			return;
+		}
+		// Update last position for ground detection
+		ball2.lastY = ball2.y;
+		// Remove balls2 that are way off screen
+		if (ball2.y > 2800) {
+			ball2.destroy();
+			balls2.splice(k, 1);
+		}
+	}
 };
\ No newline at end of file