===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,226 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Frog = Container.expand(function () {
+	var self = Container.call(this);
+	var frogGraphics = self.attachAsset('frog', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.gridSize = 120;
+	self.isMoving = false;
+	self.targetX = 0;
+	self.targetY = 0;
+	self.moveTo = function (newX, newY) {
+		if (self.isMoving) return;
+		// Constrain movement to game boundaries
+		newX = Math.max(40, Math.min(2008, newX));
+		newY = Math.max(60, Math.min(2672, newY));
+		self.targetX = newX;
+		self.targetY = newY;
+		self.isMoving = true;
+		LK.getSound('move').play();
+		tween(self, {
+			x: self.targetX,
+			y: self.targetY
+		}, {
+			duration: 150,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				self.isMoving = false;
+			}
+		});
+	};
+	return self;
+});
+var Vehicle = Container.expand(function (type, speed) {
+	var self = Container.call(this);
+	var vehicleGraphics = self.attachAsset(type, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = speed || 3;
+	self.type = type;
+	self.update = function () {
+		self.x += self.speed;
+		// Reset position when off screen
+		if (self.speed > 0 && self.x > 2200) {
+			self.x = -200;
+		} else if (self.speed < 0 && self.x < -200) {
+			self.x = 2200;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x228B22
+});
+
+/**** 
+* Game Code
+****/ 
+var GRID_SIZE = 120;
+var NUM_LANES = 8;
+var LANE_HEIGHT = 120;
+// Game state
+var frog = null;
+var vehicles = [];
+var roads = [];
+var safeZones = [];
+var gameStarted = false;
+var currentLevel = 1;
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create level display
+var levelTxt = new Text2('Level: 1', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+levelTxt.anchor.set(1, 0);
+levelTxt.y = 80;
+LK.gui.topRight.addChild(levelTxt);
+// Initialize game elements
+function initializeGame() {
+	// Clear existing elements
+	vehicles = [];
+	roads = [];
+	safeZones = [];
+	// Create safe zones and roads
+	for (var i = 0; i < NUM_LANES + 2; i++) {
+		var yPos = i * LANE_HEIGHT + 60;
+		if (i === 0 || i === NUM_LANES + 1) {
+			// Safe zones at top and bottom
+			var safeZone = game.addChild(LK.getAsset('safeZone', {
+				x: 1024,
+				y: yPos,
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+			safeZones.push(safeZone);
+		} else {
+			// Road lanes
+			var road = game.addChild(LK.getAsset('road', {
+				x: 1024,
+				y: yPos,
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+			roads.push(road);
+		}
+	}
+	// Create vehicles for each road lane
+	for (var i = 0; i < NUM_LANES; i++) {
+		var laneY = (i + 1) * LANE_HEIGHT + 60;
+		var vehicleCount = 2 + Math.floor(currentLevel / 3);
+		var direction = i % 2 === 0 ? 1 : -1;
+		var baseSpeed = (2 + currentLevel * 0.5) * direction;
+		for (var j = 0; j < vehicleCount; j++) {
+			var vehicleType = Math.random() < 0.7 ? 'car' : 'truck';
+			var vehicle = new Vehicle(vehicleType, baseSpeed + Math.random() * 2 - 1);
+			vehicle.x = j * (2048 / vehicleCount) + Math.random() * 200;
+			vehicle.y = laneY;
+			vehicles.push(vehicle);
+			game.addChild(vehicle);
+		}
+	}
+	// Create frog
+	frog = new Frog();
+	frog.x = 1024;
+	frog.y = (NUM_LANES + 1) * LANE_HEIGHT + 60; // Start at bottom safe zone
+	game.addChild(frog);
+	gameStarted = true;
+}
+// Handle input
+game.down = function (x, y, obj) {
+	if (!gameStarted || frog.isMoving) return;
+	var frogGridX = Math.round(frog.x / GRID_SIZE);
+	var frogGridY = Math.round(frog.y / LANE_HEIGHT);
+	var touchGridX = Math.round(x / GRID_SIZE);
+	var touchGridY = Math.round(y / LANE_HEIGHT);
+	var deltaX = touchGridX - frogGridX;
+	var deltaY = touchGridY - frogGridY;
+	// Determine movement direction
+	var newX = frog.x;
+	var newY = frog.y;
+	if (Math.abs(deltaX) > Math.abs(deltaY)) {
+		// Horizontal movement
+		if (deltaX > 0) {
+			newX = frog.x + GRID_SIZE;
+		} else {
+			newX = frog.x - GRID_SIZE;
+		}
+	} else {
+		// Vertical movement
+		if (deltaY < 0) {
+			newY = frog.y - LANE_HEIGHT;
+		} else {
+			newY = frog.y + LANE_HEIGHT;
+		}
+	}
+	frog.moveTo(newX, newY);
+};
+// Check collisions and game state
+function checkCollisions() {
+	if (!frog || frog.isMoving) return;
+	// Check vehicle collisions
+	for (var i = 0; i < vehicles.length; i++) {
+		var vehicle = vehicles[i];
+		if (frog.intersects(vehicle)) {
+			// Game over
+			LK.getSound('crash').play();
+			LK.effects.flashScreen(0xFF0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Check if frog reached top safe zone
+	if (frog.y <= 180) {
+		// Success!
+		LK.setScore(LK.getScore() + 100 * currentLevel);
+		scoreTxt.setText('Score: ' + LK.getScore());
+		LK.getSound('success').play();
+		// Level up every 5 successful crossings
+		if (LK.getScore() % 500 === 0) {
+			currentLevel++;
+			levelTxt.setText('Level: ' + currentLevel);
+		}
+		// Reset frog position
+		frog.x = 1024;
+		frog.y = (NUM_LANES + 1) * LANE_HEIGHT + 60;
+		// Flash green for success
+		LK.effects.flashObject(frog, 0x00FF00, 500);
+		// Reinitialize with increased difficulty
+		setTimeout(function () {
+			// Clear old vehicles
+			for (var i = 0; i < vehicles.length; i++) {
+				vehicles[i].destroy();
+			}
+			initializeGame();
+		}, 500);
+	}
+}
+// Main game loop
+game.update = function () {
+	if (!gameStarted) return;
+	// Update vehicles
+	for (var i = 0; i < vehicles.length; i++) {
+		vehicles[i].update();
+	}
+	checkCollisions();
+};
+// Initialize the game
+initializeGame();
\ No newline at end of file