===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,211 @@
-/****
+/**** 
+* 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 flap animation
+		tween.stop(birdGraphics, {
+			rotation: true
+		});
+		birdGraphics.rotation = -0.3;
+		tween(birdGraphics, {
+			rotation: 0.3
+		}, {
+			duration: 300,
+			easing: tween.easeOut
+		});
+	};
+	self.update = function () {
+		// Apply gravity
+		self.velocity += self.gravity;
+		// Cap fall speed
+		if (self.velocity > self.maxFallSpeed) {
+			self.velocity = self.maxFallSpeed;
+		}
+		// Update position
+		self.y += self.velocity;
+		// Check boundaries
+		if (self.y < 0) {
+			self.y = 0;
+			self.velocity = 0;
+		}
+	};
+	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.setGapPosition = function (gapY) {
+		self.topPipe.y = gapY - self.gapSize / 2;
+		self.bottomPipe.y = gapY + self.gapSize / 2;
+	};
+	self.update = function () {
+		self.x += self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var bird;
+var pipes = [];
+var ground;
+var gameStarted = false;
+var gameSpeed = 4;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 90; // frames between pipe spawns
+// Create score display
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+scoreTxt.y = 100;
+// Create tap to start text
+var startTxt = new Text2('TAP TO START', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+startTxt.anchor.set(0.5, 0.5);
+game.addChild(startTxt);
+startTxt.x = 2048 / 2;
+startTxt.y = 2732 / 2 - 200;
+// Create bird
+bird = game.addChild(new Bird());
+bird.x = 300;
+bird.y = 2732 / 2;
+// Create ground
+ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 1
+}));
+ground.x = 0;
+ground.y = 2732;
+function spawnPipe() {
+	var pipe = new Pipe();
+	pipe.x = 2048 + 60; // Start off-screen right
+	// Random gap position (avoid too high or too low)
+	var minGapY = 200;
+	var maxGapY = 2732 - 200 - 150; // Account for ground height
+	var gapY = minGapY + Math.random() * (maxGapY - minGapY);
+	pipe.setGapPosition(gapY);
+	pipes.push(pipe);
+	game.addChild(pipe);
+}
+function checkCollisions() {
+	// Check ground collision
+	if (bird.y >= ground.y - ground.height / 2 - bird.height / 2) {
+		return true;
+	}
+	// Check ceiling collision
+	if (bird.y <= bird.height / 2) {
+		return true;
+	}
+	// Check pipe collisions
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		// Check if bird is horizontally aligned with pipe
+		if (bird.x + bird.width / 2 > pipe.x - pipe.topPipe.width / 2 && bird.x - bird.width / 2 < pipe.x + pipe.topPipe.width / 2) {
+			// Check top pipe collision
+			if (bird.y - bird.height / 2 < pipe.topPipe.y) {
+				return true;
+			}
+			// Check bottom pipe collision
+			if (bird.y + bird.height / 2 > pipe.bottomPipe.y) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+function updateScore() {
+	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());
+			LK.getSound('score').play();
+			// Increase difficulty slightly
+			if (LK.getScore() % 5 === 0 && pipeSpawnInterval > 60) {
+				pipeSpawnInterval -= 2;
+			}
+		}
+	}
+}
+game.down = function (x, y, obj) {
+	if (!gameStarted) {
+		gameStarted = true;
+		startTxt.visible = false;
+	}
+	if (gameStarted) {
+		bird.flap();
+	}
+};
+game.update = function () {
+	if (!gameStarted) {
+		return;
+	}
+	// Update bird
+	bird.update();
+	// Check collisions
+	if (checkCollisions()) {
+		LK.showGameOver();
+		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];
+		pipe.update();
+		// Remove pipes that are off-screen
+		if (pipe.x < -120) {
+			pipe.destroy();
+			pipes.splice(i, 1);
+		}
+	}
+	// Update score
+	updateScore();
+};
\ No newline at end of file