===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,237 @@
-/****
+/**** 
+* 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.flapStrength = -12;
+	self.maxFallSpeed = 15;
+	self.rotation = 0;
+	self.flap = function () {
+		self.velocity = self.flapStrength;
+		LK.getSound('flap').play();
+		// Animate bird rotation for flapping effect
+		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.min(self.velocity * 0.1, 1.5);
+		} else {
+			birdGraphics.rotation = Math.max(self.velocity * 0.1, -0.5);
+		}
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	self.gapHeight = 300;
+	self.speed = -4;
+	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.gapHeight / 2;
+		self.bottomPipe.y = gapCenterY + self.gapHeight / 2;
+	};
+	self.update = function () {
+		self.x += self.speed;
+	};
+	self.checkCollision = function (bird) {
+		var birdBounds = {
+			left: bird.x - 30,
+			right: bird.x + 30,
+			top: bird.y - 30,
+			bottom: bird.y + 30
+		};
+		var pipeBounds = {
+			left: self.x - 60,
+			right: self.x + 60,
+			topBottom: self.topPipe.y,
+			bottomTop: self.bottomPipe.y
+		};
+		// Check if bird is within pipe horizontal bounds
+		if (birdBounds.right > pipeBounds.left && birdBounds.left < pipeBounds.right) {
+			// Check collision with top or bottom pipe
+			if (birdBounds.top < pipeBounds.topBottom || birdBounds.bottom > pipeBounds.bottomTop) {
+				return true;
+			}
+		}
+		return false;
+	};
+	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 gameStarted = false;
+var gameActive = true;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 90; // 1.5 seconds at 60fps
+// Create score display
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create start instruction
+var startTxt = new Text2('TAP TO START', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+startTxt.anchor.set(0.5, 0.5);
+startTxt.x = 2048 / 2;
+startTxt.y = 2732 / 2 - 200;
+game.addChild(startTxt);
+// Initialize bird
+bird = new Bird();
+bird.x = 2048 / 4;
+bird.y = 2732 / 2;
+game.addChild(bird);
+// Create ground
+ground = game.attachAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 2732 - 100
+});
+function spawnPipe() {
+	var pipe = new Pipe();
+	pipe.x = 2048 + 60;
+	// Random gap center position
+	var minGapCenter = 200;
+	var maxGapCenter = 2732 - 200 - 100; // Account for ground
+	var gapCenterY = minGapCenter + Math.random() * (maxGapCenter - minGapCenter);
+	pipe.setupPipes(gapCenterY);
+	pipes.push(pipe);
+	game.addChild(pipe);
+}
+function checkScore() {
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		if (!pipe.scored && pipe.x < bird.x) {
+			pipe.scored = true;
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore().toString());
+			LK.getSound('score').play();
+		}
+	}
+}
+function checkCollisions() {
+	// Check pipe collisions
+	for (var i = 0; i < pipes.length; i++) {
+		if (pipes[i].checkCollision(bird)) {
+			return true;
+		}
+	}
+	// Check ground collision
+	if (bird.y + 30 > ground.y) {
+		return true;
+	}
+	// Check ceiling collision
+	if (bird.y - 30 < 0) {
+		return true;
+	}
+	return false;
+}
+function gameOver() {
+	gameActive = false;
+	LK.getSound('hit').play();
+	// Stop bird movement
+	bird.velocity = 0;
+	// Flash screen red
+	LK.effects.flashScreen(0xff0000, 1000);
+	// Show game over after a brief delay
+	LK.setTimeout(function () {
+		LK.showGameOver();
+	}, 500);
+}
+// Touch/tap handler
+game.down = function (x, y, obj) {
+	if (!gameStarted) {
+		gameStarted = true;
+		gameActive = true;
+		startTxt.visible = false;
+		// Spawn first pipe
+		spawnPipe();
+	}
+	if (gameActive) {
+		bird.flap();
+	}
+};
+// Main game loop
+game.update = function () {
+	if (!gameStarted || !gameActive) {
+		return;
+	}
+	// Update bird
+	bird.update();
+	// Update pipes
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		pipes[i].update();
+		// Remove pipes that have moved off screen
+		if (pipes[i].x < -120) {
+			pipes[i].destroy();
+			pipes.splice(i, 1);
+		}
+	}
+	// Spawn new pipes
+	pipeSpawnTimer++;
+	if (pipeSpawnTimer >= pipeSpawnInterval) {
+		spawnPipe();
+		pipeSpawnTimer = 0;
+	}
+	// Check for score
+	checkScore();
+	// Check for collisions
+	if (checkCollisions()) {
+		gameOver();
+	}
+};
\ No newline at end of file