===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,187 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var facekit = LK.import("@upit/facekit.v1");
+
+/**** 
+* Classes
+****/ 
+// Ball class
+var Ball = Container.expand(function () {
+	var self = Container.call(this);
+	var ballAsset = self.attachAsset('ball', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Ball velocity
+	self.vx = 0;
+	self.vy = 0;
+	// Ball radius for collision
+	self.getRadius = function () {
+		return ballAsset.width / 2;
+	};
+	// Ball update: move and handle wall bounces
+	self.update = function () {
+		self.x += self.vx;
+		self.y += self.vy;
+	};
+	return self;
+});
+// Paddle class
+var Paddle = Container.expand(function () {
+	var self = Container.call(this);
+	var paddleAsset = self.attachAsset('paddle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Paddle width/height for collision
+	self.getWidth = function () {
+		return paddleAsset.width;
+	};
+	self.getHeight = function () {
+		return paddleAsset.height;
+	};
+	return self;
+});
+// Wall class (for top wall)
+var Wall = Container.expand(function () {
+	var self = Container.call(this);
+	var wallAsset = self.attachAsset('wall', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.getWidth = function () {
+		return wallAsset.width;
+	};
+	self.getHeight = function () {
+		return wallAsset.height;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// LK.init.sound('bounce', {volume: 0.5});
+// Sound for bounce (optional, but not used as per instructions)
+// Wall: thin, wide rectangle (for top wall)
+// Ball: circle
+// Paddle: wide, short rectangle
+// Center positions
+var GAME_WIDTH = 2048;
+var GAME_HEIGHT = 2732;
+// Score
+var score = 0;
+// Create paddle
+var paddle = new Paddle();
+game.addChild(paddle);
+// Paddle position: bottom center, above bottom edge
+paddle.x = GAME_WIDTH / 2;
+paddle.y = GAME_HEIGHT - 180;
+// Create ball
+var ball = new Ball();
+game.addChild(ball);
+// Ball start position: above paddle
+ball.x = GAME_WIDTH / 2;
+ball.y = paddle.y - 120;
+// Ball initial velocity (randomized angle upwards)
+function resetBallVelocity() {
+	// Angle: between -60 and +60 degrees from vertical
+	var angle = Math.random() * Math.PI / 3 - Math.PI / 6;
+	var speed = 28;
+	ball.vx = Math.sin(angle) * speed;
+	ball.vy = -Math.cos(angle) * speed;
+}
+resetBallVelocity();
+// Create top wall
+var topWall = new Wall();
+game.addChild(topWall);
+topWall.x = GAME_WIDTH / 2;
+topWall.y = 40 / 2 + 10; // 10px margin from top
+// Score text
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Helper: clamp paddle within game bounds
+function clampPaddleX(x) {
+	var halfWidth = paddle.getWidth() / 2;
+	if (x < halfWidth) return halfWidth;
+	if (x > GAME_WIDTH - halfWidth) return GAME_WIDTH - halfWidth;
+	return x;
+}
+// Face tracking: update paddle position
+game.update = function () {
+	// Use facekit.mouthCenter.x for paddle X
+	var mouthX = facekit.mouthCenter && typeof facekit.mouthCenter.x === 'number' ? facekit.mouthCenter.x : GAME_WIDTH / 2;
+	paddle.x = clampPaddleX(mouthX);
+	// Ball movement
+	ball.update();
+	// Ball collision with left/right walls
+	var ballRadius = ball.getRadius();
+	if (ball.x - ballRadius < 0) {
+		ball.x = ballRadius;
+		ball.vx = -ball.vx;
+	}
+	if (ball.x + ballRadius > GAME_WIDTH) {
+		ball.x = GAME_WIDTH - ballRadius;
+		ball.vx = -ball.vx;
+	}
+	// Ball collision with top wall
+	if (ball.y - ballRadius < topWall.y + topWall.getHeight() / 2) {
+		ball.y = topWall.y + topWall.getHeight() / 2 + ballRadius;
+		ball.vy = -ball.vy;
+	}
+	// Ball collision with paddle
+	// Simple AABB vs circle collision
+	var paddleLeft = paddle.x - paddle.getWidth() / 2;
+	var paddleRight = paddle.x + paddle.getWidth() / 2;
+	var paddleTop = paddle.y - paddle.getHeight() / 2;
+	var paddleBottom = paddle.y + paddle.getHeight() / 2;
+	var closestX = Math.max(paddleLeft, Math.min(ball.x, paddleRight));
+	var closestY = Math.max(paddleTop, Math.min(ball.y, paddleBottom));
+	var dx = ball.x - closestX;
+	var dy = ball.y - closestY;
+	var distSq = dx * dx + dy * dy;
+	// Only allow bounce if ball is moving downwards
+	if (distSq < ballRadius * ballRadius && ball.vy > 0) {
+		// Bounce: reflect vy, add some "english" based on where it hit the paddle
+		var hitPos = (ball.x - paddle.x) / (paddle.getWidth() / 2); // -1 (left) to 1 (right)
+		var angle = hitPos * (Math.PI / 3); // up to +/-60deg
+		var speed = Math.sqrt(ball.vx * ball.vx + ball.vy * ball.vy) * 1.04; // speed up a bit
+		ball.vx = Math.sin(angle) * speed;
+		ball.vy = -Math.abs(Math.cos(angle) * speed);
+		// Move ball above paddle to prevent sticking
+		ball.y = paddle.y - paddle.getHeight() / 2 - ballRadius - 2;
+		// Flash paddle
+		LK.effects.flashObject(paddle, 0xffff00, 200);
+		// Increase score
+		score += 1;
+		LK.setScore(score);
+		scoreTxt.setText(score);
+		// Optionally: play sound
+		// LK.getSound('bounce').play();
+	}
+	// Ball falls below paddle: game over
+	if (ball.y - ballRadius > GAME_HEIGHT) {
+		// Flash screen red
+		LK.effects.flashScreen(0xff0000, 800);
+		// Show game over (auto resets game)
+		LK.showGameOver();
+	}
+};
+// No dragging or touch controls needed; paddle is controlled by facekit only
+// Reset score on game start
+LK.setScore(0);
+score = 0;
+scoreTxt.setText('0');
\ No newline at end of file