===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,290 @@
-/****
+/**** 
+* 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 = 0.5;
+	self.flapStrength = -12;
+	self.isDead = false;
+	self.flap = function () {
+		if (!self.isDead) {
+			self.velocity = self.flapStrength;
+			LK.getSound('flap').play();
+			// Rotate bird up when flapping
+			tween(self, {
+				rotation: -0.5
+			}, {
+				duration: 100,
+				easing: tween.linear
+			});
+		}
+	};
+	self.update = function () {
+		if (self.isDead) {
+			return;
+		}
+		// Apply gravity and update position
+		self.velocity += self.gravity;
+		self.y += self.velocity;
+		// Rotate bird based on velocity
+		if (self.velocity > 0) {
+			var targetRotation = Math.min(self.velocity * 0.05, 1.2);
+			tween(self, {
+				rotation: targetRotation
+			}, {
+				duration: 100,
+				easing: tween.linear
+			});
+		}
+	};
+	self.die = function () {
+		if (!self.isDead) {
+			self.isDead = true;
+			LK.getSound('hit').play();
+		}
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	var topPipe = self.attachAsset('pipeTop', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	var bottomPipe = self.attachAsset('pipeBottom', {
+		anchorX: 0.5,
+		anchorY: 0
+	});
+	self.gapHeight = 400;
+	self.gapPosition = 0;
+	self.speed = 5;
+	self.scored = false;
+	self.setGapPosition = function (position) {
+		self.gapPosition = position;
+		// Position pipes to create gap
+		topPipe.y = position - self.gapHeight / 2;
+		bottomPipe.y = position + self.gapHeight / 2;
+	};
+	self.update = function () {
+		self.x -= self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var bird;
+var pipes = [];
+var ground;
+var background;
+var isGameStarted = false;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 120; // frames (2 seconds at 60fps)
+var lastPipeX = 0;
+var gameover = false;
+// GUI
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Add tap to start text initially
+var startTxt = new Text2('Tap to Start', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+startTxt.anchor.set(0.5, 0.5);
+LK.gui.center.addChild(startTxt);
+// Create background
+background = LK.getAsset('background', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 0
+});
+game.addChild(background);
+// Create ground
+ground = LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 2732 - 100
+});
+game.addChild(ground);
+// Create bird
+bird = new Bird();
+bird.x = 400;
+bird.y = 2732 / 2;
+game.addChild(bird);
+// Start music
+LK.playMusic('gameMusic', {
+	fade: {
+		start: 0,
+		end: 0.4,
+		duration: 1000
+	}
+});
+// Game functions
+function spawnPipe() {
+	var pipe = new Pipe();
+	pipe.x = 2048 + 150; // Start just off-screen
+	// Random gap position between 500 and 2732-500 (avoiding too close to top/bottom)
+	var minY = 500;
+	var maxY = 2732 - 500;
+	var gapY = minY + Math.random() * (maxY - minY);
+	pipe.setGapPosition(gapY);
+	pipes.push(pipe);
+	game.addChild(pipe);
+	// Place pipe behind bird but in front of background
+	game.setChildIndex(pipe, 1);
+	lastPipeX = pipe.x;
+}
+function startGame() {
+	if (!isGameStarted) {
+		isGameStarted = true;
+		gameover = false;
+		LK.setScore(0);
+		scoreTxt.setText(0);
+		// Remove start text
+		if (startTxt.parent) {
+			startTxt.parent.removeChild(startTxt);
+		}
+		// Initial bird flap
+		bird.flap();
+	}
+}
+function checkCollisions() {
+	// Check if bird hits ground
+	if (bird.y + 40 > ground.y) {
+		bird.y = ground.y - 40; // Prevent bird from going through ground
+		gameOver();
+		return true;
+	}
+	// Check if bird hits ceiling
+	if (bird.y - 40 < 0) {
+		bird.y = 40; // Prevent bird from going through ceiling
+		bird.velocity = 0;
+	}
+	// Check collision with pipes
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		// Get pipe children (top and bottom pipes)
+		var topPipe = pipe.children[0];
+		var bottomPipe = pipe.children[1];
+		// Calculate collision areas
+		var birdLeft = bird.x - 40;
+		var birdRight = bird.x + 40;
+		var birdTop = bird.y - 40;
+		var birdBottom = bird.y + 40;
+		var pipeLeft = pipe.x - 75;
+		var pipeRight = pipe.x + 75;
+		var topPipeBottom = pipe.gapPosition - pipe.gapHeight / 2;
+		var bottomPipeTop = pipe.gapPosition + pipe.gapHeight / 2;
+		// Check for collision
+		if (birdRight > pipeLeft && birdLeft < pipeRight) {
+			if (birdTop < topPipeBottom || birdBottom > bottomPipeTop) {
+				gameOver();
+				return true;
+			}
+		}
+		// Check for score
+		if (!pipe.scored && birdLeft > pipe.x) {
+			pipe.scored = true;
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore());
+			LK.getSound('score').play();
+		}
+	}
+	return false;
+}
+function gameOver() {
+	if (!gameover) {
+		gameover = true;
+		bird.die();
+		// Flash screen and show game over
+		LK.effects.flashScreen(0xFF0000, 500);
+		// Wait a moment before showing game over
+		LK.setTimeout(function () {
+			LK.showGameOver();
+		}, 1000);
+	}
+}
+function resetGame() {
+	// Remove all pipes
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		game.removeChild(pipes[i]);
+		pipes[i].destroy();
+	}
+	pipes = [];
+	// Reset bird
+	bird.velocity = 0;
+	bird.rotation = 0;
+	bird.y = 2732 / 2;
+	bird.isDead = false;
+	// Reset game state
+	isGameStarted = false;
+	gameover = false;
+	pipeSpawnTimer = 0;
+	LK.setScore(0);
+	scoreTxt.setText("0");
+	// Show start text
+	LK.gui.center.addChild(startTxt);
+}
+// Input handlers
+game.down = function (x, y, obj) {
+	if (!isGameStarted) {
+		startGame();
+	} else if (!gameover) {
+		bird.flap();
+	}
+};
+// Game update loop
+game.update = function () {
+	if (!isGameStarted) {
+		// Bird gently floats up and down before game starts
+		bird.y = 2732 / 2 + Math.sin(LK.ticks / 30) * 20;
+		return;
+	}
+	if (!gameover) {
+		// Update bird
+		bird.update();
+		// Spawn pipes
+		pipeSpawnTimer++;
+		if (pipeSpawnTimer >= pipeSpawnInterval) {
+			spawnPipe();
+			pipeSpawnTimer = 0;
+		}
+		// Update and clean up pipes
+		for (var i = pipes.length - 1; i >= 0; i--) {
+			pipes[i].update();
+			// Remove pipes that are off-screen
+			if (pipes[i].x < -200) {
+				game.removeChild(pipes[i]);
+				pipes[i].destroy();
+				pipes.splice(i, 1);
+			}
+		}
+		// Check collisions
+		checkCollisions();
+	}
+};
\ No newline at end of file