===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,198 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Catval (player) class
+var Catval = Container.expand(function () {
+	var self = Container.call(this);
+	var cat = self.attachAsset('catval', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For possible future animation
+	return self;
+});
+// Dog (hazard) class
+var Dog = Container.expand(function () {
+	var self = Container.call(this);
+	var dog = self.attachAsset('dog', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Randomize spawn position
+	self.x = 200 + Math.random() * (2048 - 400);
+	self.y = 300 + Math.random() * (2732 - 600);
+	// For possible future animation
+	return self;
+});
+// Mouse (collectible) class
+var Mouse = Container.expand(function () {
+	var self = Container.call(this);
+	var mouse = self.attachAsset('mouse', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Randomize spawn position
+	self.x = 200 + Math.random() * (2048 - 400);
+	self.y = 300 + Math.random() * (2732 - 600);
+	// For possible future animation
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222244
+});
+
+/**** 
+* Game Code
+****/ 
+// Dog (hazard, costs points)
+// Mouse (collectible, gives points)
+// Catval (the player cat)
+// Score
+var score = 0;
+// Score display
+var scoreTxt = new Text2('0', {
+	size: 150,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Catval (player)
+var catval = new Catval();
+game.addChild(catval);
+// Start at center
+catval.x = 2048 / 2;
+catval.y = 2732 / 2;
+// Arrays for collectibles/hazards
+var mice = [];
+var dogs = [];
+// Dragging logic
+var dragNode = null;
+// Helper: spawn a mouse
+function spawnMouse() {
+	var mouse = new Mouse();
+	mice.push(mouse);
+	game.addChild(mouse);
+}
+// Helper: spawn a dog
+function spawnDog() {
+	var dog = new Dog();
+	dogs.push(dog);
+	game.addChild(dog);
+}
+// Initial spawn
+spawnMouse();
+// Timers for spawning
+var mouseTimer = LK.setInterval(function () {
+	// Only spawn if less than 3 mice
+	if (mice.length < 3) {
+		spawnMouse();
+	}
+}, 1200);
+var dogTimer = LK.setInterval(function () {
+	// Dogs are rare, max 2 at a time
+	if (dogs.length < 2 && Math.random() < 0.5) {
+		spawnDog();
+	}
+}, 2200);
+// Move handler (drag Catval)
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		// Clamp to screen
+		var halfW = catval.width / 2;
+		var halfH = catval.height / 2;
+		var nx = Math.max(halfW, Math.min(2048 - halfW, x));
+		var ny = Math.max(halfH, Math.min(2732 - halfH, y));
+		dragNode.x = nx;
+		dragNode.y = ny;
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	// Start dragging Catval
+	dragNode = catval;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main update loop
+game.update = function () {
+	// Check for Catval-mouse collisions
+	for (var i = mice.length - 1; i >= 0; i--) {
+		var mouse = mice[i];
+		if (catval.intersects(mouse)) {
+			// Collect mouse
+			score += 1;
+			LK.setScore(score);
+			scoreTxt.setText(score);
+			// Animate mouse fade out
+			tween(mouse, {
+				alpha: 0
+			}, {
+				duration: 300,
+				onFinish: function onFinish() {
+					mouse.destroy();
+				}
+			});
+			mice.splice(i, 1);
+			// Flash Catval green
+			LK.effects.flashObject(catval, 0x00ff00, 300);
+		}
+	}
+	// Check for Catval-dog collisions
+	for (var j = dogs.length - 1; j >= 0; j--) {
+		var dog = dogs[j];
+		if (catval.intersects(dog)) {
+			// Hit dog: lose 5 points
+			score -= 5;
+			LK.setScore(score);
+			scoreTxt.setText(score);
+			// Animate dog fade out
+			tween(dog, {
+				alpha: 0
+			}, {
+				duration: 300,
+				onFinish: function onFinish() {
+					dog.destroy();
+				}
+			});
+			dogs.splice(j, 1);
+			// Flash Catval red
+			LK.effects.flashObject(catval, 0xff0000, 400);
+			// Game over if score < 1
+			if (score < 1) {
+				LK.effects.flashScreen(0xff0000, 800);
+				LK.showGameOver();
+				return;
+			}
+		}
+	}
+	// Remove offscreen mice/dogs (shouldn't happen, but safety)
+	for (var k = mice.length - 1; k >= 0; k--) {
+		var m = mice[k];
+		if (m.x < -200 || m.x > 2248 || m.y < -200 || m.y > 2932) {
+			m.destroy();
+			mice.splice(k, 1);
+		}
+	}
+	for (var l = dogs.length - 1; l >= 0; l--) {
+		var d = dogs[l];
+		if (d.x < -200 || d.x > 2248 || d.y < -200 || d.y > 2932) {
+			d.destroy();
+			dogs.splice(l, 1);
+		}
+	}
+};
+// Reset score on game start
+LK.setScore(0);
+score = 0;
+scoreTxt.setText(score);
\ No newline at end of file