===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,275 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var Ball = Container.expand(function (color, size) {
+	var self = Container.call(this);
+	self.ballColor = color;
+	self.ballSize = size;
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.gravity = 0.5;
+	self.bounce = 0.6;
+	self.friction = 0.98;
+	self.merged = false;
+	var ballAsset;
+	if (color === 'green') {
+		ballAsset = self.attachAsset('greenBall', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.radius = 40;
+	} else if (color === 'blue') {
+		ballAsset = self.attachAsset('blueBall', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.radius = 60;
+	} else if (color === 'purple') {
+		ballAsset = self.attachAsset('purpleBall', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.radius = 80;
+	}
+	self.update = function () {
+		if (self.merged) return;
+		// Apply gravity
+		self.velocityY += self.gravity;
+		// Apply friction
+		self.velocityX *= self.friction;
+		self.velocityY *= self.friction;
+		// Update position
+		self.x += self.velocityX;
+		self.y += self.velocityY;
+		// Floor collision
+		if (self.y + self.radius > gameFloor) {
+			self.y = gameFloor - self.radius;
+			self.velocityY *= -self.bounce;
+			if (Math.abs(self.velocityY) < 1) {
+				self.velocityY = 0;
+			}
+		}
+		// Wall collisions
+		if (self.x - self.radius < gameLeftWall + 20) {
+			self.x = gameLeftWall + 20 + self.radius;
+			self.velocityX *= -self.bounce;
+		}
+		if (self.x + self.radius > gameRightWall - 20) {
+			self.x = gameRightWall - 20 - self.radius;
+			self.velocityX *= -self.bounce;
+		}
+		// Check for merges with other balls
+		for (var i = 0; i < balls.length; i++) {
+			var otherBall = balls[i];
+			if (otherBall === self || otherBall.merged) continue;
+			var dx = self.x - otherBall.x;
+			var dy = self.y - otherBall.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (distance < self.radius + otherBall.radius) {
+				// Collision detected
+				if (self.ballColor === otherBall.ballColor && !self.merging && !otherBall.merging) {
+					// Same color - merge
+					self.merging = true;
+					otherBall.merging = true;
+					mergeBalls(self, otherBall);
+				} else {
+					// Different colors - bounce
+					var angle = Math.atan2(dy, dx);
+					var sin = Math.sin(angle);
+					var cos = Math.cos(angle);
+					var vx1 = self.velocityX * cos + self.velocityY * sin;
+					var vy1 = self.velocityY * cos - self.velocityX * sin;
+					var vx2 = otherBall.velocityX * cos + otherBall.velocityY * sin;
+					var vy2 = otherBall.velocityY * cos - otherBall.velocityX * sin;
+					var finalVx1 = vx2;
+					var finalVx2 = vx1;
+					self.velocityX = finalVx1 * cos - vy1 * sin;
+					self.velocityY = vy1 * cos + finalVx1 * sin;
+					otherBall.velocityX = finalVx2 * cos - vy2 * sin;
+					otherBall.velocityY = vy2 * cos + finalVx2 * sin;
+					// Separate balls
+					var overlap = self.radius + otherBall.radius - distance;
+					var moveX = overlap * 0.5 * cos;
+					var moveY = overlap * 0.5 * sin;
+					self.x += moveX;
+					self.y += moveY;
+					otherBall.x -= moveX;
+					otherBall.y -= moveY;
+				}
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x222222
+});
+
+/**** 
+* Game Code
+****/ 
+var balls = [];
+var gameLevel = storage.currentLevel || 1;
+var gameScore = 0;
+var gameTime = 60000; // 60 seconds
+var gameStartTime = Date.now();
+var targetScore = gameLevel * 100;
+var dropCooldown = 0;
+var gameLeftWall = 124;
+var gameRightWall = 1924;
+var gameFloor = 2500;
+var nextBallColor = 'green';
+// Create game boundaries
+var leftWall = game.addChild(LK.getAsset('wall', {
+	anchorX: 0,
+	anchorY: 0
+}));
+leftWall.x = gameLeftWall;
+leftWall.y = 200;
+var rightWall = game.addChild(LK.getAsset('wall', {
+	anchorX: 0,
+	anchorY: 0
+}));
+rightWall.x = gameRightWall;
+rightWall.y = 200;
+var floor = game.addChild(LK.getAsset('floor', {
+	anchorX: 0,
+	anchorY: 0
+}));
+floor.x = gameLeftWall + 20;
+floor.y = gameFloor;
+// Create drop zone
+var dropZone = game.addChild(LK.getAsset('dropZone', {
+	anchorX: 0.5,
+	anchorY: 0
+}));
+dropZone.x = 1024;
+dropZone.y = 100;
+// Create UI
+var scoreText = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0, 0);
+LK.gui.topLeft.addChild(scoreText);
+scoreText.x = 150;
+scoreText.y = 50;
+var timeText = new Text2('Time: 60', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+timeText.anchor.set(1, 0);
+LK.gui.topRight.addChild(timeText);
+timeText.x = -50;
+timeText.y = 50;
+var targetText = new Text2('Target: ' + targetScore, {
+	size: 50,
+	fill: 0xFFFF00
+});
+targetText.anchor.set(0, 0);
+LK.gui.topLeft.addChild(targetText);
+targetText.x = 150;
+targetText.y = 120;
+var levelText = new Text2('Level ' + gameLevel, {
+	size: 70,
+	fill: 0x00FF00
+});
+levelText.anchor.set(0.5, 0);
+LK.gui.top.addChild(levelText);
+levelText.y = 50;
+function createBall(x, y, color) {
+	var ball = new Ball(color);
+	ball.x = x;
+	ball.y = y;
+	balls.push(ball);
+	game.addChild(ball);
+	LK.getSound('drop').play();
+	return ball;
+}
+function mergeBalls(ball1, ball2) {
+	LK.getSound('merge').play();
+	var mergeX = (ball1.x + ball2.x) / 2;
+	var mergeY = (ball1.y + ball2.y) / 2;
+	// Mark balls as merged
+	ball1.merged = true;
+	ball2.merged = true;
+	// Remove from balls array
+	var index1 = balls.indexOf(ball1);
+	var index2 = balls.indexOf(ball2);
+	if (index1 > -1) balls.splice(index1, 1);
+	if (index2 > -1) balls.splice(index2, 1);
+	// Remove from display
+	ball1.destroy();
+	ball2.destroy();
+	// Create next color ball or add score
+	if (ball1.ballColor === 'green') {
+		var newBall = createBall(mergeX, mergeY, 'blue');
+		newBall.velocityX = (ball1.velocityX + ball2.velocityX) / 2;
+		newBall.velocityY = (ball1.velocityY + ball2.velocityY) / 2;
+	} else if (ball1.ballColor === 'blue') {
+		var newBall = createBall(mergeX, mergeY, 'purple');
+		newBall.velocityX = (ball1.velocityX + ball2.velocityX) / 2;
+		newBall.velocityY = (ball1.velocityY + ball2.velocityY) / 2;
+	} else if (ball1.ballColor === 'purple') {
+		// Purple balls disappear and give score
+		gameScore += 50;
+		LK.getSound('score').play();
+		LK.effects.flashObject(scoreText, 0xffff00, 500);
+	}
+	updateScore();
+}
+function updateScore() {
+	scoreText.setText('Score: ' + gameScore);
+	if (gameScore >= targetScore) {
+		// Level complete
+		storage.currentLevel = gameLevel + 1;
+		LK.showYouWin();
+	}
+}
+function updateTimer() {
+	var elapsed = Date.now() - gameStartTime;
+	var remaining = Math.max(0, Math.ceil((gameTime - elapsed) / 1000));
+	timeText.setText('Time: ' + remaining);
+	if (remaining <= 0 && gameScore < targetScore) {
+		LK.showGameOver();
+	}
+}
+// Touch/click handler
+game.down = function (x, y, obj) {
+	if (dropCooldown > 0) return;
+	// Drop ball at x position within drop zone
+	var dropX = Math.max(gameLeftWall + 60, Math.min(gameRightWall - 60, x));
+	createBall(dropX, 200, nextBallColor);
+	dropCooldown = 30; // 0.5 second cooldown
+};
+game.update = function () {
+	// Update cooldown
+	if (dropCooldown > 0) {
+		dropCooldown--;
+	}
+	// Update timer
+	updateTimer();
+	// Clean up merged balls
+	for (var i = balls.length - 1; i >= 0; i--) {
+		if (balls[i].merged) {
+			balls.splice(i, 1);
+		}
+	}
+	// Check for balls that fell off screen
+	for (var i = balls.length - 1; i >= 0; i--) {
+		if (balls[i].y > 2732) {
+			balls[i].destroy();
+			balls.splice(i, 1);
+		}
+	}
+};
\ No newline at end of file