===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,173 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Zombie = Container.expand(function () {
+	var self = Container.call(this);
+	var zombieGraphics = self.attachAsset('zombie', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1.5;
+	self.lastPlayerDistance = Infinity;
+	self.update = function () {
+		// Calculate direction to player
+		var dx = player.x - self.x;
+		var dy = player.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		// Normalize direction and apply speed
+		if (distance > 0) {
+			self.x += dx / distance * self.speed;
+			self.y += dy / distance * self.speed;
+		}
+		// Check for near miss (was far, now close)
+		if (self.lastPlayerDistance > 150 && distance <= 150) {
+			LK.setScore(LK.getScore() + 10);
+			LK.getSound('nearMiss').play();
+			updateScoreDisplay();
+		}
+		self.lastPlayerDistance = distance;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2F2F2F
+});
+
+/**** 
+* Game Code
+****/ 
+var player;
+var zombies = [];
+var dragNode = null;
+var gameStartTime = Date.now();
+var lastZombieSpawn = 0;
+var zombieSpawnRate = 2000; // milliseconds
+var difficultyTimer = 0;
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create survival time display
+var timeTxt = new Text2('Time: 0s', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+timeTxt.anchor.set(0, 0);
+timeTxt.x = 120;
+timeTxt.y = 120;
+LK.gui.topLeft.addChild(timeTxt);
+// Create player
+player = game.addChild(new Container());
+var playerGraphics = player.attachAsset('player', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+// Position player at center
+player.x = 2048 / 2;
+player.y = 2732 / 2;
+function updateScoreDisplay() {
+	scoreTxt.setText('Score: ' + LK.getScore());
+}
+function spawnZombie() {
+	var zombie = new Zombie();
+	// Spawn zombie at random edge of screen
+	var edge = Math.floor(Math.random() * 4);
+	switch (edge) {
+		case 0:
+			// Top
+			zombie.x = Math.random() * 2048;
+			zombie.y = -50;
+			break;
+		case 1:
+			// Right
+			zombie.x = 2048 + 50;
+			zombie.y = Math.random() * 2732;
+			break;
+		case 2:
+			// Bottom
+			zombie.x = Math.random() * 2048;
+			zombie.y = 2732 + 50;
+			break;
+		case 3:
+			// Left
+			zombie.x = -50;
+			zombie.y = Math.random() * 2732;
+			break;
+	}
+	zombies.push(zombie);
+	game.addChild(zombie);
+}
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		// Keep player within screen bounds
+		dragNode.x = Math.max(40, Math.min(2048 - 40, x));
+		dragNode.y = Math.max(40, Math.min(2732 - 40, y));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = player;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+game.update = function () {
+	var currentTime = Date.now();
+	var survivalTime = Math.floor((currentTime - gameStartTime) / 1000);
+	// Update survival time display
+	timeTxt.setText('Time: ' + survivalTime + 's');
+	// Update score based on survival time
+	LK.setScore(survivalTime * 5);
+	updateScoreDisplay();
+	// Increase difficulty over time
+	difficultyTimer++;
+	if (difficultyTimer % 1800 == 0) {
+		// Every 30 seconds (1800 frames)
+		zombieSpawnRate = Math.max(500, zombieSpawnRate - 200);
+		// Increase zombie speed
+		for (var i = 0; i < zombies.length; i++) {
+			zombies[i].speed += 0.3;
+		}
+	}
+	// Spawn zombies
+	if (currentTime - lastZombieSpawn > zombieSpawnRate) {
+		spawnZombie();
+		lastZombieSpawn = currentTime;
+	}
+	// Check collisions and update zombies
+	for (var i = zombies.length - 1; i >= 0; i--) {
+		var zombie = zombies[i];
+		// Check if zombie caught player
+		if (zombie.intersects(player)) {
+			LK.getSound('zombieHit').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		// Remove zombies that are too far off screen
+		var distanceFromCenter = Math.sqrt(Math.pow(zombie.x - 1024, 2) + Math.pow(zombie.y - 1366, 2));
+		if (distanceFromCenter > 3000) {
+			zombie.destroy();
+			zombies.splice(i, 1);
+		}
+	}
+	// Spawn initial zombie
+	if (LK.ticks == 120) {
+		// 2 seconds after game start
+		spawnZombie();
+		lastZombieSpawn = currentTime;
+	}
+};
\ No newline at end of file