===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,235 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Bird = Container.expand(function () {
+	var self = Container.call(this);
+	var birdGraphics = self.attachAsset('bird', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocity = 0;
+	self.gravity = 0.8;
+	self.flapPower = -12;
+	self.maxFallSpeed = 15;
+	self.flap = function () {
+		self.velocity = self.flapPower;
+		LK.getSound('flap').play();
+		// Add a subtle flap animation
+		tween(birdGraphics, {
+			rotation: -0.3
+		}, {
+			duration: 100
+		});
+		tween(birdGraphics, {
+			rotation: 0
+		}, {
+			duration: 200
+		});
+	};
+	self.update = function () {
+		// Apply gravity
+		self.velocity += self.gravity;
+		// Limit fall speed
+		if (self.velocity > self.maxFallSpeed) {
+			self.velocity = self.maxFallSpeed;
+		}
+		// Update position
+		self.y += self.velocity;
+		// Rotate bird based on velocity
+		if (self.velocity < 0) {
+			birdGraphics.rotation = Math.max(-0.5, self.velocity * 0.05);
+		} else {
+			birdGraphics.rotation = Math.min(1.2, self.velocity * 0.08);
+		}
+		// Check ground collision
+		if (self.y > 2732 - 100 - 30) {
+			// Ground height minus bird radius
+			gameOver = true;
+		}
+		// Check ceiling collision
+		if (self.y < 30) {
+			gameOver = true;
+		}
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	self.speed = -4;
+	self.gapSize = 300;
+	self.scored = false;
+	// Create top pipe
+	self.topPipe = self.attachAsset('pipe', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	// Create bottom pipe
+	self.bottomPipe = self.attachAsset('pipe', {
+		anchorX: 0.5,
+		anchorY: 0
+	});
+	self.setupPipes = function (gapCenterY) {
+		self.topPipe.y = gapCenterY - self.gapSize / 2;
+		self.bottomPipe.y = gapCenterY + self.gapSize / 2;
+	};
+	self.update = function () {
+		self.x += self.speed;
+		// Check if bird passed through this pipe
+		if (!self.scored && self.x < bird.x - 60) {
+			self.scored = true;
+			score++;
+			LK.setScore(score);
+			scoreTxt.setText(score);
+			LK.getSound('score').play();
+		}
+	};
+	self.checkCollision = function (birdObj) {
+		var birdBounds = {
+			x: birdObj.x - 25,
+			y: birdObj.y - 25,
+			width: 50,
+			height: 50
+		};
+		var topPipeBounds = {
+			x: self.x - 60,
+			y: 0,
+			width: 120,
+			height: self.topPipe.y
+		};
+		var bottomPipeBounds = {
+			x: self.x - 60,
+			y: self.bottomPipe.y,
+			width: 120,
+			height: 2732 - self.bottomPipe.y
+		};
+		return self.intersectsBounds(birdBounds, topPipeBounds) || self.intersectsBounds(birdBounds, bottomPipeBounds);
+	};
+	self.intersectsBounds = function (rect1, rect2) {
+		return rect1.x < rect2.x + rect2.width && rect1.x + rect1.width > rect2.x && rect1.y < rect2.y + rect2.height && rect1.y + rect1.height > rect2.y;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var bird;
+var pipes = [];
+var ground;
+var scoreTxt;
+var score = 0;
+var gameOver = false;
+var gameStarted = false;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 120; // 2 seconds at 60fps
+// Create bird
+bird = game.addChild(new Bird());
+bird.x = 400;
+bird.y = 1366; // Center of screen
+// Create ground
+ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0
+}));
+ground.x = 0;
+ground.y = 2732 - 100;
+// Create score text
+scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create instruction text
+var instructionTxt = new Text2('TAP TO FLAP', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+instructionTxt.anchor.set(0.5, 0.5);
+instructionTxt.x = 2048 / 2;
+instructionTxt.y = 1366 - 200;
+game.addChild(instructionTxt);
+function spawnPipe() {
+	var pipe = new Pipe();
+	pipe.x = 2048 + 60;
+	// Random gap position (avoid too high or too low)
+	var minGapCenter = 200 + pipe.gapSize / 2;
+	var maxGapCenter = 2732 - 200 - pipe.gapSize / 2;
+	var gapCenterY = minGapCenter + Math.random() * (maxGapCenter - minGapCenter);
+	pipe.setupPipes(gapCenterY);
+	pipes.push(pipe);
+	game.addChild(pipe);
+}
+function resetGame() {
+	// Clear pipes
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		pipes[i].destroy();
+	}
+	pipes = [];
+	// Reset bird
+	bird.x = 400;
+	bird.y = 1366;
+	bird.velocity = 0;
+	// Reset score
+	score = 0;
+	LK.setScore(0);
+	scoreTxt.setText('0');
+	// Reset game state
+	gameOver = false;
+	gameStarted = false;
+	pipeSpawnTimer = 0;
+	// Show instruction text
+	instructionTxt.visible = true;
+}
+game.down = function (x, y, obj) {
+	if (gameOver) {
+		LK.showGameOver();
+		return;
+	}
+	if (!gameStarted) {
+		gameStarted = true;
+		instructionTxt.visible = false;
+	}
+	bird.flap();
+};
+game.update = function () {
+	if (gameOver) {
+		return;
+	}
+	if (!gameStarted) {
+		return;
+	}
+	// Spawn pipes
+	pipeSpawnTimer++;
+	if (pipeSpawnTimer >= pipeSpawnInterval) {
+		spawnPipe();
+		pipeSpawnTimer = 0;
+	}
+	// Update pipes
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		var pipe = pipes[i];
+		// Check collision
+		if (pipe.checkCollision(bird)) {
+			gameOver = true;
+			LK.showGameOver();
+			return;
+		}
+		// Remove pipes that are off screen
+		if (pipe.x < -120) {
+			pipe.destroy();
+			pipes.splice(i, 1);
+		}
+	}
+};
\ No newline at end of file