===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,135 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Balloon = Container.expand(function (isBlack) {
+	var self = Container.call(this);
+	// Choose balloon type
+	var balloonType = isBlack ? 'blackBalloon' : 'colorBalloon';
+	var balloonGraphics = self.attachAsset(balloonType, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set random color for regular balloons
+	if (!isBlack) {
+		var colors = [0xff6b6b, 0x4ecdc4, 0x45b7d1, 0x96ceb4, 0xfeca57, 0xff9ff3, 0x54a0ff];
+		balloonGraphics.tint = colors[Math.floor(Math.random() * colors.length)];
+	}
+	self.isBlack = isBlack;
+	self.popped = false;
+	// Float upward animation
+	self.floatSpeed = 1 + Math.random() * 2;
+	self.update = function () {
+		if (!self.popped) {
+			self.y -= self.floatSpeed;
+		}
+	};
+	self.pop = function () {
+		if (self.popped) return;
+		self.popped = true;
+		// Pop animation
+		tween(balloonGraphics, {
+			scaleX: 1.5,
+			scaleY: 1.5,
+			alpha: 0
+		}, {
+			duration: 200,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				self.destroy();
+			}
+		});
+		// Play sound
+		if (self.isBlack) {
+			LK.getSound('gameOver').play();
+		} else {
+			LK.getSound('pop').play();
+		}
+	};
+	self.down = function (x, y, obj) {
+		if (self.popped) return;
+		if (self.isBlack) {
+			// Game over
+			LK.showGameOver();
+		} else {
+			// Score point and pop
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore());
+			self.pop();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87ceeb
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var balloons = [];
+var spawnTimer = 0;
+var spawnInterval = 120; // 2 seconds at 60fps
+var difficultyTimer = 0;
+var difficultyInterval = 600; // 10 seconds at 60fps
+// 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; // Move down from very top
+// Initialize score
+scoreTxt.setText(LK.getScore());
+game.update = function () {
+	// Update all balloons
+	for (var i = balloons.length - 1; i >= 0; i--) {
+		var balloon = balloons[i];
+		// Remove balloons that floated off screen
+		if (balloon.y < -100) {
+			balloon.destroy();
+			balloons.splice(i, 1);
+		}
+	}
+	// Spawn new balloons
+	spawnTimer++;
+	if (spawnTimer >= spawnInterval) {
+		spawnTimer = 0;
+		spawnBalloon();
+	}
+	// Increase difficulty every 10 seconds
+	difficultyTimer++;
+	if (difficultyTimer >= difficultyInterval) {
+		difficultyTimer = 0;
+		if (spawnInterval > 30) {
+			// Minimum spawn rate
+			spawnInterval -= 10;
+		}
+	}
+};
+function spawnBalloon() {
+	// 15% chance for black balloon
+	var isBlack = Math.random() < 0.15;
+	var balloon = new Balloon(isBlack);
+	// Random position across screen width, spawn below screen
+	balloon.x = 100 + Math.random() * (2048 - 200);
+	balloon.y = 2732 + 60; // Start below screen
+	balloons.push(balloon);
+	game.addChild(balloon);
+}
+// Spawn initial balloons
+for (var i = 0; i < 3; i++) {
+	LK.setTimeout(function () {
+		spawnBalloon();
+	}, i * 1000);
+}
\ No newline at end of file