===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,227 @@
-/****
+/**** 
+* 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.velocityY = 0;
+	self.gravity = 0.6;
+	self.flapStrength = -12;
+	self.isAlive = true;
+	self.flap = function () {
+		self.velocityY = self.flapStrength;
+		LK.getSound('flap').play();
+	};
+	self.update = function () {
+		if (!self.isAlive) return;
+		self.velocityY += self.gravity;
+		self.y += self.velocityY;
+		// Rotation based on velocity
+		birdGraphics.rotation = Math.min(Math.max(self.velocityY * 0.1, -0.5), 0.5);
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	var topPipeGraphics = self.attachAsset('pipe', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.hasScored = false;
+	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
+****/ 
+var bird = null;
+var pipes = [];
+var pipeGaps = [];
+var gameActive = true;
+var score = 0;
+var baseGapSize = 200;
+var gapDecreaseRate = 0.5;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 100;
+var baseSpeed = 6;
+var speedIncreaseRate = 0.001;
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0x000000
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+function initializeGame() {
+	bird = game.addChild(new Bird());
+	bird.x = 400;
+	bird.y = 1366;
+	bird.velocityY = 0;
+	bird.isAlive = true;
+	pipes = [];
+	pipeGaps = [];
+	gameActive = true;
+	score = 0;
+	pipeSpawnTimer = 0;
+	baseSpeed = 6;
+	scoreTxt.setText('0');
+	updateScore();
+}
+function updateScore() {
+	scoreTxt.setText(score);
+	LK.setScore(score);
+}
+function getRandomGapPosition() {
+	var minY = 150;
+	var maxY = 2732 - 150 - baseGapSize;
+	return minY + Math.random() * (maxY - minY);
+}
+function spawnPipe() {
+	var gapSize = Math.max(120, baseGapSize - score * gapDecreaseRate);
+	var gapY = getRandomGapPosition();
+	// Top pipe
+	var topPipe = new Pipe();
+	topPipe.x = 2048 + 100;
+	topPipe.y = gapY - gapSize / 2;
+	topPipe.speed = baseSpeed + score * speedIncreaseRate;
+	topPipe.scaleY = (gapY - gapSize / 2) / 800;
+	topPipe.hasScored = false;
+	game.addChild(topPipe);
+	pipes.push(topPipe);
+	// Bottom pipe
+	var bottomPipe = new Pipe();
+	bottomPipe.x = 2048 + 100;
+	bottomPipe.y = gapY + gapSize / 2;
+	bottomPipe.speed = baseSpeed + score * speedIncreaseRate;
+	bottomPipe.scaleY = (2732 - (gapY + gapSize / 2)) / 800;
+	bottomPipe.hasScored = false;
+	game.addChild(bottomPipe);
+	pipes.push(bottomPipe);
+	pipeGaps.push({
+		x: 2048 + 100,
+		y: gapY,
+		gapSize: gapSize,
+		scored: false
+	});
+}
+function handleGameOver() {
+	if (!gameActive) return;
+	gameActive = false;
+	bird.isAlive = false;
+	LK.getSound('collision').play();
+	LK.effects.flashScreen(0xFF0000, 500);
+	LK.setTimeout(function () {
+		LK.showGameOver();
+	}, 500);
+}
+function checkCollisions() {
+	if (!gameActive || !bird.isAlive) return;
+	// Check screen boundaries
+	if (bird.y - bird.height / 2 <= 0 || bird.y + bird.height / 2 >= 2732) {
+		handleGameOver();
+		return;
+	}
+	// Check pipe collisions
+	for (var i = 0; i < pipes.length; i++) {
+		if (bird.intersects(pipes[i])) {
+			handleGameOver();
+			return;
+		}
+	}
+}
+function updateScoring() {
+	if (!gameActive) return;
+	for (var i = 0; i < pipeGaps.length; i++) {
+		var gap = pipeGaps[i];
+		if (!gap.scored && gap.x + 80 < bird.x && bird.lastX >= gap.x + 80) {
+			gap.scored = true;
+			score++;
+			LK.getSound('score').play();
+			updateScore();
+			if (score >= 100) {
+				gameActive = false;
+				bird.isAlive = false;
+				LK.setTimeout(function () {
+					LK.showYouWin();
+				}, 500);
+			}
+		}
+	}
+}
+function cleanup() {
+	// Remove off-screen pipes
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		if (pipes[i].x < -200) {
+			pipes[i].destroy();
+			pipes.splice(i, 1);
+		}
+	}
+	// Remove off-screen gap trackers
+	for (var i = pipeGaps.length - 1; i >= 0; i--) {
+		if (pipeGaps[i].x < -200) {
+			pipeGaps.splice(i, 1);
+		}
+	}
+}
+game.move = function (x, y, obj) {
+	if (gameActive && bird.isAlive) {
+		bird.flap();
+	}
+};
+game.down = function (x, y, obj) {
+	if (gameActive && bird.isAlive) {
+		bird.flap();
+	}
+};
+game.update = function () {
+	if (!bird) {
+		initializeGame();
+		return;
+	}
+	if (gameActive) {
+		// Spawn pipes
+		pipeSpawnTimer++;
+		if (pipeSpawnTimer >= pipeSpawnInterval) {
+			spawnPipe();
+			pipeSpawnTimer = 0;
+			pipeSpawnInterval = Math.max(60, 100 - score);
+		}
+		// Update pipes
+		for (var i = 0; i < pipes.length; i++) {
+			pipes[i].speed = baseSpeed + score * speedIncreaseRate;
+			pipes[i].update();
+		}
+		// Update gap trackers
+		for (var i = 0; i < pipeGaps.length; i++) {
+			pipeGaps[i].x -= pipes[i * 2].speed;
+		}
+		// Update scoring
+		updateScoring();
+		// Cleanup
+		cleanup();
+	}
+	// Update bird
+	if (bird) {
+		bird.lastX = bird.x;
+		bird.update();
+		checkCollisions();
+	}
+};
\ No newline at end of file