===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,142 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Obstacle class
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obs = self.attachAsset('obstacleBox', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set random speed for each obstacle
+	self.speedY = 10 + Math.floor(Math.random() * 8); // 10-17 px per frame
+	self.update = function () {
+		self.y += self.speedY;
+	};
+	return self;
+});
+// Player-controlled box
+var PlayerBox = Container.expand(function () {
+	var self = Container.call(this);
+	var box = self.attachAsset('playerBox', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For possible future use: self.width = box.width; self.height = box.height;
+	// No per-object event handlers; handled globally in game.move
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222222
+});
+
+/**** 
+* Game Code
+****/ 
+// Score text
+// Asset initialization (shapes)
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Player box
+var player = new PlayerBox();
+game.addChild(player);
+// Center player horizontally, place near bottom (but not at the very edge)
+player.x = 2048 / 2;
+player.y = 2732 - 350;
+// Obstacles array
+var obstacles = [];
+// Score and tick counter
+var score = 0;
+var ticksSurvived = 0;
+// Dragging logic
+var dragNode = null;
+var offsetX = 0;
+var offsetY = 0;
+// Helper: clamp value between min and max
+function clamp(val, min, max) {
+	if (val < min) return min;
+	if (val > max) return max;
+	return val;
+}
+// Touch/mouse down: start dragging if on player
+game.down = function (x, y, obj) {
+	// Check if touch is inside player box
+	var dx = x - player.x;
+	var dy = y - player.y;
+	var halfW = player.children[0].width / 2;
+	var halfH = player.children[0].height / 2;
+	if (dx >= -halfW && dx <= halfW && dy >= -halfH && dy <= halfH) {
+		dragNode = player;
+		offsetX = player.x - x;
+		offsetY = player.y - y;
+	}
+};
+// Touch/mouse up: stop dragging
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Touch/mouse move: move player if dragging
+game.move = function (x, y, obj) {
+	if (dragNode === player) {
+		// Clamp player inside game area (leave 10px margin)
+		var halfW = player.children[0].width / 2;
+		var halfH = player.children[0].height / 2;
+		var newX = clamp(x + offsetX, halfW + 10, 2048 - halfW - 10);
+		var newY = clamp(y + offsetY, halfH + 10, 2732 - halfH - 10);
+		player.x = newX;
+		player.y = newY;
+	}
+};
+// Main game update loop
+game.update = function () {
+	ticksSurvived++;
+	// Every 45 ticks (~0.75s), spawn a new obstacle
+	if (LK.ticks % 45 === 0) {
+		var obs = new Obstacle();
+		// Random X position, fully inside screen
+		var halfW = obs.children[0].width / 2;
+		obs.x = halfW + 40 + Math.floor(Math.random() * (2048 - 2 * (halfW + 40)));
+		obs.y = -obs.children[0].height / 2 - 10;
+		game.addChild(obs);
+		obstacles.push(obs);
+	}
+	// Move obstacles, check for collision or out of screen
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obs = obstacles[i];
+		obs.update();
+		// Collision detection
+		if (player.intersects(obs)) {
+			LK.effects.flashScreen(0xff0000, 800);
+			LK.showGameOver();
+			return;
+		}
+		// Remove if out of screen
+		if (obs.y - obs.children[0].height / 2 > 2732 + 40) {
+			obs.destroy();
+			obstacles.splice(i, 1);
+			// Increase score for each avoided obstacle
+			score++;
+			scoreTxt.setText(score);
+		}
+	}
+};
+// Reset score and obstacles on game start
+score = 0;
+scoreTxt.setText(score);
+for (var i = 0; i < obstacles.length; i++) {
+	obstacles[i].destroy();
+}
+obstacles = [];
\ No newline at end of file