===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,222 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Balloon class (player)
+var Balloon = Container.expand(function () {
+	var self = Container.call(this);
+	// Shadow
+	var shadow = self.attachAsset('shadow', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		y: 180
+	});
+	shadow.alpha = 0.18;
+	// Balloon body
+	var balloon = self.attachAsset('balloon', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For a little bounce effect on move
+	self.bounce = function () {
+		tween(self, {
+			scaleX: 1.08,
+			scaleY: 0.92
+		}, {
+			duration: 80,
+			easing: tween.cubicOut,
+			onFinish: function onFinish() {
+				tween(self, {
+					scaleX: 1,
+					scaleY: 1
+				}, {
+					duration: 120,
+					easing: tween.cubicIn
+				});
+			}
+		});
+	};
+	// For a little shake on hit
+	self.shake = function () {
+		tween(self, {
+			x: self.x + 30
+		}, {
+			duration: 60,
+			easing: tween.linear,
+			onFinish: function onFinish() {
+				tween(self, {
+					x: self.x - 60
+				}, {
+					duration: 80,
+					easing: tween.linear,
+					onFinish: function onFinish() {
+						tween(self, {
+							x: self.x + 30
+						}, {
+							duration: 60,
+							easing: tween.linear
+						});
+					}
+				});
+			}
+		});
+	};
+	return self;
+});
+// Spike class (obstacle)
+var Spike = Container.expand(function () {
+	var self = Container.call(this);
+	var spike = self.attachAsset('spike', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For a little rotation
+	self.rotationSpeed = (Math.random() - 0.5) * 0.04;
+	// Speed will be set on spawn
+	self.speedY = 8;
+	// Update method
+	self.update = function () {
+		self.y += self.speedY;
+		spike.rotation += self.rotationSpeed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0xb3e0ff // Light blue sky
+});
+
+/**** 
+* Game Code
+****/ 
+// LK.init.sound('spike_spawn', {volume: 0.4});
+// Sound for spike spawn (optional, can be omitted if not wanted)
+// Shadow for balloon
+// Spike (obstacle)
+// Balloon (player)
+// Game area
+var GAME_W = 2048;
+var GAME_H = 2732;
+// Balloon spawn position (centered horizontally, 80% down)
+var BALLOON_START_X = GAME_W / 2;
+var BALLOON_START_Y = GAME_H * 0.8;
+// Balloon instance
+var balloon = new Balloon();
+balloon.x = BALLOON_START_X;
+balloon.y = BALLOON_START_Y;
+game.addChild(balloon);
+// Obstacles array
+var spikes = [];
+// Score
+var score = 0;
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Time survived (for increasing difficulty)
+var elapsedTicks = 0;
+// Dragging
+var dragNode = null;
+// For collision detection
+var lastColliding = false;
+// For spike spawn timing
+var spikeSpawnTick = 0;
+var spikeSpawnInterval = 90; // Initial interval (ticks)
+// Move handler (drag balloon)
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		// Clamp balloon inside game area (with margin)
+		var margin = 100;
+		var bx = Math.max(margin, Math.min(GAME_W - margin, x));
+		var by = Math.max(margin + 100, Math.min(GAME_H - margin, y));
+		dragNode.x = bx;
+		dragNode.y = by;
+		dragNode.bounce();
+	}
+	// Collision detection
+	var colliding = false;
+	for (var i = 0; i < spikes.length; i++) {
+		if (balloon.intersects(spikes[i])) {
+			colliding = true;
+			break;
+		}
+	}
+	if (!lastColliding && colliding) {
+		// Hit!
+		balloon.shake();
+		LK.effects.flashScreen(0xff0000, 800);
+		LK.showGameOver();
+	}
+	lastColliding = colliding;
+}
+// Touch/drag events
+game.down = function (x, y, obj) {
+	// Only start drag if touch is on balloon or close to it
+	var dx = x - balloon.x;
+	var dy = y - balloon.y;
+	var dist = Math.sqrt(dx * dx + dy * dy);
+	if (dist < 180) {
+		dragNode = balloon;
+		handleMove(x, y, obj);
+	}
+};
+game.move = handleMove;
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main update loop
+game.update = function () {
+	elapsedTicks++;
+	// Increase difficulty over time
+	if (elapsedTicks % 600 === 0 && spikeSpawnInterval > 30) {
+		spikeSpawnInterval -= 8; // Spikes spawn more often
+	}
+	// Spawn spikes
+	spikeSpawnTick++;
+	if (spikeSpawnTick >= spikeSpawnInterval) {
+		spikeSpawnTick = 0;
+		// Random X position (avoid spawning at extreme edges)
+		var margin = 160;
+		var sx = margin + Math.random() * (GAME_W - 2 * margin);
+		// Create spike
+		var spike = new Spike();
+		spike.x = sx;
+		spike.y = -60;
+		// Speed increases with time
+		var minSpeed = 10 + Math.floor(elapsedTicks / 600) * 2;
+		var maxSpeed = 18 + Math.floor(elapsedTicks / 600) * 2;
+		spike.speedY = minSpeed + Math.random() * (maxSpeed - minSpeed);
+		spikes.push(spike);
+		game.addChild(spike);
+		// Optionally play sound
+		// LK.getSound('spike_spawn').play();
+	}
+	// Update spikes
+	for (var i = spikes.length - 1; i >= 0; i--) {
+		var s = spikes[i];
+		s.update();
+		// If spike goes off screen, remove and increase score
+		if (s.y > GAME_H + 100) {
+			s.destroy();
+			spikes.splice(i, 1);
+			score++;
+			scoreTxt.setText(score);
+		}
+	}
+};
+// Center score text horizontally
+scoreTxt.setText(score);
+scoreTxt.anchor.set(0.5, 0);
+// Place score at top center, but not in top 100px (menu area)
+scoreTxt.y = 40;
+// Set background color (already set in init, but can be changed here if needed)
+// game.setBackgroundColor(0xb3e0ff);
\ No newline at end of file