===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,388 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Loot class
+var Loot = Container.expand(function () {
+	var self = Container.call(this);
+	var lootSprite = self.attachAsset('loot', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+// Mission marker class
+var Mission = Container.expand(function () {
+	var self = Container.call(this);
+	var marker = self.attachAsset('mission', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+// Obstacle class
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obsSprite = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+// Player class
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerSprite = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 18; // Movement speed
+	self.dirX = 0;
+	self.dirY = 0;
+	self.update = function () {
+		// Move player
+		self.x += self.dirX * self.speed;
+		self.y += self.dirY * self.speed;
+		// Clamp to game area
+		if (self.x < 60) self.x = 60;
+		if (self.x > 2048 - 60) self.x = 2048 - 60;
+		if (self.y < 120) self.y = 120;
+		if (self.y > 2732 - 60) self.y = 2732 - 60;
+	};
+	return self;
+});
+// Police car class
+var Police = Container.expand(function () {
+	var self = Container.call(this);
+	var policeSprite = self.attachAsset('police', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 10 + Math.random() * 4;
+	self.target = null;
+	self.update = function () {
+		if (!self.target) return;
+		var dx = self.target.x - self.x;
+		var dy = self.target.y - self.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		if (dist > 1) {
+			self.x += dx / dist * self.speed;
+			self.y += dy / dist * self.speed;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222222
+});
+
+/**** 
+* Game Code
+****/ 
+// Mission marker: green ellipse
+// Obstacle: gray box
+// Loot: yellow ellipse
+// Police car: blue box
+// Player character: red box
+// Game state variables
+var player;
+var policeCars = [];
+var loots = [];
+var obstacles = [];
+var missionMarker;
+var scoreTxt;
+var timerTxt;
+var missionActive = false;
+var missionTime = 0;
+var missionTimeout = null;
+var gameTimer = 60; // seconds
+var lastMissionScore = 0;
+var dragDir = null;
+var dragStart = null;
+var dragNode = null;
+var lastTouch = {
+	x: 0,
+	y: 0
+};
+var policeSpawnTimer = 0;
+// Score display
+scoreTxt = new Text2('0', {
+	size: 120,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Timer display
+timerTxt = new Text2('60', {
+	size: 90,
+	fill: "#fff"
+});
+timerTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(timerTxt);
+// Helper: random position in city bounds (avoiding top left 100x100)
+function randomPos(margin) {
+	var x = 100 + margin + Math.random() * (2048 - 2 * (100 + margin));
+	var y = 120 + margin + Math.random() * (2732 - 2 * (120 + margin));
+	return {
+		x: x,
+		y: y
+	};
+}
+// Helper: spawn loot
+function spawnLoot() {
+	var loot = new Loot();
+	var pos = randomPos(80);
+	loot.x = pos.x;
+	loot.y = pos.y;
+	loots.push(loot);
+	game.addChild(loot);
+}
+// Helper: spawn obstacle
+function spawnObstacle() {
+	var obs = new Obstacle();
+	var pos = randomPos(120);
+	obs.x = pos.x;
+	obs.y = pos.y;
+	obstacles.push(obs);
+	game.addChild(obs);
+}
+// Helper: spawn police
+function spawnPolice() {
+	var police = new Police();
+	// Spawn at random edge
+	var edge = Math.floor(Math.random() * 4);
+	if (edge === 0) {
+		// top
+		police.x = 200 + Math.random() * (2048 - 400);
+		police.y = 120;
+	} else if (edge === 1) {
+		// bottom
+		police.x = 200 + Math.random() * (2048 - 400);
+		police.y = 2732 - 120;
+	} else if (edge === 2) {
+		// left
+		police.x = 100;
+		police.y = 200 + Math.random() * (2732 - 400);
+	} else {
+		// right
+		police.x = 2048 - 100;
+		police.y = 200 + Math.random() * (2732 - 400);
+	}
+	police.target = player;
+	policeCars.push(police);
+	game.addChild(police);
+}
+// Helper: spawn mission marker
+function spawnMission() {
+	if (missionMarker) {
+		missionMarker.destroy();
+		missionMarker = null;
+	}
+	var marker = new Mission();
+	var pos = randomPos(200);
+	marker.x = pos.x;
+	marker.y = pos.y;
+	missionMarker = marker;
+	game.addChild(marker);
+	missionActive = true;
+	missionTime = 10 + Math.floor(Math.random() * 6); // 10-15 seconds
+	if (missionTimeout) LK.clearTimeout(missionTimeout);
+	missionTimeout = LK.setTimeout(function () {
+		// Mission failed
+		if (missionActive) {
+			missionActive = false;
+			if (missionMarker) {
+				missionMarker.destroy();
+				missionMarker = null;
+			}
+		}
+	}, missionTime * 1000);
+}
+// Helper: reset game state
+function resetGame() {
+	// Remove all objects
+	if (player) player.destroy();
+	for (var i = 0; i < policeCars.length; ++i) policeCars[i].destroy();
+	for (var i = 0; i < loots.length; ++i) loots[i].destroy();
+	for (var i = 0; i < obstacles.length; ++i) obstacles[i].destroy();
+	if (missionMarker) missionMarker.destroy();
+	policeCars = [];
+	loots = [];
+	obstacles = [];
+	missionMarker = null;
+	missionActive = false;
+	missionTime = 0;
+	if (missionTimeout) LK.clearTimeout(missionTimeout);
+	missionTimeout = null;
+	gameTimer = 60;
+	lastMissionScore = 0;
+	// Spawn player
+	player = new Player();
+	player.x = 2048 / 2;
+	player.y = 2732 - 300;
+	game.addChild(player);
+	// Spawn loot
+	for (var i = 0; i < 4; ++i) spawnLoot();
+	// Spawn obstacles
+	for (var i = 0; i < 5; ++i) spawnObstacle();
+	// Spawn police
+	for (var i = 0; i < 2; ++i) spawnPolice();
+	// Spawn first mission
+	spawnMission();
+	// Reset score
+	LK.setScore(0);
+	scoreTxt.setText('0');
+	timerTxt.setText('60');
+	policeSpawnTimer = 0;
+}
+resetGame();
+// Touch controls: drag to move
+game.down = function (x, y, obj) {
+	// Start drag
+	dragNode = player;
+	dragStart = {
+		x: x,
+		y: y,
+		px: player.x,
+		py: player.y
+	};
+	lastTouch.x = x;
+	lastTouch.y = y;
+};
+game.move = function (x, y, obj) {
+	if (dragNode) {
+		// Calculate direction
+		var dx = x - dragStart.x;
+		var dy = y - dragStart.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		if (dist > 30) {
+			dragNode.dirX = dx / dist;
+			dragNode.dirY = dy / dist;
+		} else {
+			dragNode.dirX = 0;
+			dragNode.dirY = 0;
+		}
+		lastTouch.x = x;
+		lastTouch.y = y;
+	}
+};
+game.up = function (x, y, obj) {
+	if (dragNode) {
+		dragNode.dirX = 0;
+		dragNode.dirY = 0;
+		dragNode = null;
+	}
+};
+// Main game update
+game.update = function () {
+	// Update timer
+	if (LK.ticks % 60 === 0 && gameTimer > 0) {
+		gameTimer -= 1;
+		timerTxt.setText(gameTimer + '');
+		if (gameTimer <= 0) {
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Update player
+	if (player && player.update) player.update();
+	// Update police
+	for (var i = policeCars.length - 1; i >= 0; --i) {
+		var p = policeCars[i];
+		if (p.update) p.update();
+		// Collision with player
+		if (p.intersects(player)) {
+			LK.effects.flashScreen(0xff0000, 800);
+			LK.showGameOver();
+			return;
+		}
+		// Collide with obstacles
+		for (var j = 0; j < obstacles.length; ++j) {
+			var obs = obstacles[j];
+			if (p.intersects(obs)) {
+				// Bounce back
+				var dx = p.x - obs.x;
+				var dy = p.y - obs.y;
+				var dist = Math.sqrt(dx * dx + dy * dy);
+				if (dist > 0) {
+					p.x += dx / dist * 30;
+					p.y += dy / dist * 30;
+				}
+			}
+		}
+	}
+	// Player collides with obstacles
+	for (var i = 0; i < obstacles.length; ++i) {
+		var obs = obstacles[i];
+		if (player.intersects(obs)) {
+			// Push player out
+			var dx = player.x - obs.x;
+			var dy = player.y - obs.y;
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist > 0) {
+				player.x += dx / dist * 20;
+				player.y += dy / dist * 20;
+			}
+		}
+	}
+	// Player collects loot
+	for (var i = loots.length - 1; i >= 0; --i) {
+		var loot = loots[i];
+		if (player.intersects(loot)) {
+			LK.setScore(LK.getScore() + 10);
+			scoreTxt.setText(LK.getScore() + '');
+			tween(loot, {
+				alpha: 0,
+				scaleX: 2,
+				scaleY: 2
+			}, {
+				duration: 300,
+				onFinish: function onFinish() {
+					loot.destroy();
+				}
+			});
+			loots.splice(i, 1);
+			// Spawn new loot
+			spawnLoot();
+		}
+	}
+	// Player completes mission
+	if (missionActive && missionMarker && player.intersects(missionMarker)) {
+		LK.setScore(LK.getScore() + 30);
+		scoreTxt.setText(LK.getScore() + '');
+		tween(missionMarker, {
+			alpha: 0,
+			scaleX: 2,
+			scaleY: 2
+		}, {
+			duration: 400,
+			onFinish: function onFinish() {
+				if (missionMarker) missionMarker.destroy();
+			}
+		});
+		missionActive = false;
+		missionMarker = null;
+		// Next mission after short delay
+		LK.setTimeout(function () {
+			spawnMission();
+		}, 1200);
+	}
+	// Win condition: score 200+
+	if (LK.getScore() >= 200) {
+		LK.showYouWin();
+		return;
+	}
+	// Police spawn logic: every 8 seconds, up to 6 police
+	if (LK.ticks % 480 === 0 && policeCars.length < 6) {
+		spawnPolice();
+	}
+};
+/* End of gamecode.js */
\ No newline at end of file