===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,219 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var MathBox = Container.expand(function (operation, value, lane) {
+	var self = Container.call(this);
+	self.operation = operation;
+	self.value = value;
+	self.lane = lane;
+	self.speed = gameSpeed;
+	// Choose asset based on operation
+	var assetId = 'addBox';
+	if (operation === 'multiply') assetId = 'multiplyBox';else if (operation === 'subtract') assetId = 'subtractBox';
+	var boxGraphics = self.attachAsset(assetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Create operation text
+	var operationText = '';
+	if (operation === 'multiply') operationText = '×' + value;else if (operation === 'add') operationText = '+' + value;else if (operation === 'subtract') operationText = '-' + value;
+	var textDisplay = new Text2(operationText, {
+		size: 36,
+		fill: 0xFFFFFF
+	});
+	textDisplay.anchor.set(0.5, 0.5);
+	self.addChild(textDisplay);
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.targetX = 1024; // Center position
+	self.moveSpeed = 8;
+	self.update = function () {
+		// Smooth movement towards target position
+		var diff = self.targetX - self.x;
+		if (Math.abs(diff) > 2) {
+			self.x += diff * 0.15;
+		} else {
+			self.x = self.targetX;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var player;
+var playerNumber = 10;
+var gameSpeed = 6;
+var mathBoxes = [];
+var lanes = [600, 1024, 1448]; // Left, center, right lanes
+var currentLane = 1; // Start in center
+var spawnTimer = 0;
+var spawnInterval = 120; // Spawn every 2 seconds at 60fps
+var gameDistance = 0;
+var speedIncreaseTimer = 0;
+// Create ground
+var ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0.5,
+	anchorY: 1.0,
+	x: 1024,
+	y: 2732
+}));
+// Create player
+player = game.addChild(new Player());
+player.x = lanes[currentLane];
+player.y = 2400;
+// UI Elements
+var numberDisplay = new Text2(playerNumber.toString(), {
+	size: 80,
+	fill: 0xFFFFFF
+});
+numberDisplay.anchor.set(0.5, 0.5);
+numberDisplay.x = 1024;
+numberDisplay.y = 300;
+game.addChild(numberDisplay);
+var scoreDisplay = new Text2('Distance: 0', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+scoreDisplay.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreDisplay);
+// Generate random math operations
+function generateOperation() {
+	var operations = ['multiply', 'add', 'subtract'];
+	var operation = operations[Math.floor(Math.random() * operations.length)];
+	var value;
+	if (operation === 'multiply') {
+		value = Math.floor(Math.random() * 3) + 2; // 2-4
+	} else if (operation === 'add') {
+		value = Math.floor(Math.random() * 15) + 5; // 5-19
+	} else if (operation === 'subtract') {
+		value = Math.floor(Math.random() * 8) + 2; // 2-9
+	}
+	return {
+		operation: operation,
+		value: value
+	};
+}
+// Spawn math boxes
+function spawnMathBoxes() {
+	// Spawn 2-3 boxes across different lanes
+	var numBoxes = Math.floor(Math.random() * 2) + 2; // 2 or 3 boxes
+	var usedLanes = [];
+	for (var i = 0; i < numBoxes; i++) {
+		var laneIndex;
+		do {
+			laneIndex = Math.floor(Math.random() * 3);
+		} while (usedLanes.indexOf(laneIndex) !== -1);
+		usedLanes.push(laneIndex);
+		var operation = generateOperation();
+		var mathBox = new MathBox(operation.operation, operation.value, laneIndex);
+		mathBox.x = lanes[laneIndex];
+		mathBox.y = -100;
+		mathBoxes.push(mathBox);
+		game.addChild(mathBox);
+	}
+}
+// Handle player movement
+game.down = function (x, y, obj) {
+	if (x < 1024 && currentLane > 0) {
+		// Move left
+		currentLane--;
+		player.targetX = lanes[currentLane];
+	} else if (x >= 1024 && currentLane < 2) {
+		// Move right
+		currentLane++;
+		player.targetX = lanes[currentLane];
+	}
+};
+// Main game update
+game.update = function () {
+	gameDistance++;
+	scoreDisplay.setText('Distance: ' + Math.floor(gameDistance / 60));
+	// Increase speed gradually
+	speedIncreaseTimer++;
+	if (speedIncreaseTimer >= 600) {
+		// Every 10 seconds
+		gameSpeed += 0.5;
+		speedIncreaseTimer = 0;
+	}
+	// Spawn math boxes
+	spawnTimer++;
+	if (spawnTimer >= spawnInterval) {
+		spawnMathBoxes();
+		spawnTimer = 0;
+		// Gradually decrease spawn interval for more difficulty
+		if (spawnInterval > 60) {
+			spawnInterval -= 1;
+		}
+	}
+	// Update math boxes and check collisions
+	for (var i = mathBoxes.length - 1; i >= 0; i--) {
+		var box = mathBoxes[i];
+		if (box.lastY === undefined) box.lastY = box.y;
+		// Remove boxes that are off screen
+		if (box.lastY <= 2732 && box.y > 2732) {
+			box.destroy();
+			mathBoxes.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (box.intersects(player)) {
+			// Apply operation
+			var newNumber = playerNumber;
+			if (box.operation === 'multiply') {
+				newNumber = playerNumber * box.value;
+			} else if (box.operation === 'add') {
+				newNumber = playerNumber + box.value;
+			} else if (box.operation === 'subtract') {
+				newNumber = playerNumber - box.value;
+			}
+			// Update player number
+			playerNumber = newNumber;
+			numberDisplay.setText(playerNumber.toString());
+			// Check game over condition
+			if (playerNumber <= 0) {
+				LK.getSound('gameOver').play();
+				LK.setScore(Math.floor(gameDistance / 60));
+				LK.showGameOver();
+				return;
+			}
+			// Play collect sound and remove box
+			LK.getSound('collect').play();
+			LK.effects.flashObject(box, 0xFFFFFF, 300);
+			box.destroy();
+			mathBoxes.splice(i, 1);
+			continue;
+		}
+		box.lastY = box.y;
+	}
+	// Update speed for all boxes
+	for (var j = 0; j < mathBoxes.length; j++) {
+		mathBoxes[j].speed = gameSpeed;
+	}
+	// Update number display position
+	numberDisplay.y = player.y - 150;
+	numberDisplay.x = player.x;
+};
\ No newline at end of file