===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,356 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Card class: represents a single card in the 3 card shuffle game
+var Card = Container.expand(function () {
+	var self = Container.call(this);
+	// Card states: 'faceup', 'facedown', 'revealed'
+	self.state = 'facedown';
+	self.isPrize = false;
+	self.index = 0; // 0,1,2 for left, center, right
+	// Card dimensions
+	var cardWidth = 350;
+	var cardHeight = 500;
+	// Face down color
+	var backColor = 0x444444;
+	// Face up color
+	var faceColor = 0xffffff;
+	// Prize color
+	var prizeColor = 0xffd700;
+	// Card back (facedown)
+	var back = self.attachAsset('cardBack', {
+		width: cardWidth,
+		height: cardHeight,
+		color: backColor,
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	// Card face (faceup)
+	var face = self.attachAsset('cardFace', {
+		width: cardWidth,
+		height: cardHeight,
+		color: faceColor,
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	face.visible = false;
+	// Prize indicator (only visible if isPrize and faceup)
+	var prize = self.attachAsset('prizeCircle', {
+		width: 120,
+		height: 120,
+		color: prizeColor,
+		shape: 'ellipse',
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 0,
+		y: -cardHeight / 2
+	});
+	prize.visible = false;
+	// For tap feedback
+	var highlight = self.attachAsset('highlight', {
+		width: cardWidth + 20,
+		height: cardHeight + 20,
+		color: 0x00ff00,
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	highlight.alpha = 0;
+	highlight.visible = true;
+	// Card label (for debugging or future use)
+	// var label = new Text2('', {size: 60, fill: "#222"});
+	// label.anchor.set(0.5, 0.5);
+	// label.x = 0;
+	// label.y = -cardHeight / 2;
+	// self.addChild(label);
+	// Set card state: 'faceup', 'facedown', 'revealed'
+	self.setState = function (state) {
+		self.state = state;
+		if (state === 'faceup') {
+			face.visible = true;
+			back.visible = false;
+			prize.visible = self.isPrize;
+		} else if (state === 'facedown') {
+			face.visible = false;
+			back.visible = true;
+			prize.visible = false;
+		} else if (state === 'revealed') {
+			face.visible = true;
+			back.visible = false;
+			prize.visible = self.isPrize;
+		}
+	};
+	// Show highlight (for tap feedback)
+	self.flashHighlight = function () {
+		highlight.alpha = 0.5;
+		tween(highlight, {
+			alpha: 0
+		}, {
+			duration: 400,
+			easing: tween.linear
+		});
+	};
+	// Card tap event
+	self.down = function (x, y, obj) {
+		if (typeof onCardTap === 'function') {
+			onCardTap(self);
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x0a1a2f
+});
+
+/**** 
+* Game Code
+****/ 
+// Game constants
+var NUM_CARDS = 3;
+var CARD_SPACING = 420;
+var CARD_Y = 1800;
+var CARD_START_X = 2048 / 2 - CARD_SPACING;
+var cardWidth = 350;
+var cardHeight = 500;
+// Game state
+var cards = [];
+var prizeIndex = 0;
+var round = 1;
+var shuffling = false;
+var canPick = false;
+var score = 0;
+var shuffleCount = 3;
+var shuffleSpeed = 500;
+var maxRounds = 10;
+// GUI elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 110,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var roundTxt = new Text2('Round 1', {
+	size: 80,
+	fill: "#fff"
+});
+roundTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(roundTxt);
+roundTxt.y = 120;
+// Message text (centered)
+var messageTxt = new Text2('', {
+	size: 120,
+	fill: "#fff"
+});
+messageTxt.anchor.set(0.5, 0.5);
+LK.gui.center.addChild(messageTxt);
+messageTxt.visible = false;
+// Helper: show message in center for ms milliseconds
+function showMessage(msg, ms) {
+	messageTxt.setText(msg);
+	messageTxt.visible = true;
+	if (ms) {
+		LK.setTimeout(function () {
+			messageTxt.visible = false;
+		}, ms);
+	}
+}
+// Helper: update score and round display
+function updateGUI() {
+	scoreTxt.setText('Score: ' + score);
+	roundTxt.setText('Round ' + round);
+}
+// Helper: reset all cards to facedown
+function allCardsFacedown() {
+	for (var i = 0; i < cards.length; i++) {
+		cards[i].setState('facedown');
+	}
+}
+// Helper: flip all cards faceup (show prize)
+function allCardsFaceup() {
+	for (var i = 0; i < cards.length; i++) {
+		cards[i].setState('faceup');
+	}
+}
+// Helper: reveal all cards (show which had prize)
+function revealAllCards() {
+	for (var i = 0; i < cards.length; i++) {
+		cards[i].setState('revealed');
+	}
+}
+// Helper: get card positions for indices 0,1,2
+function getCardPos(idx) {
+	return {
+		x: CARD_START_X + idx * CARD_SPACING,
+		y: CARD_Y
+	};
+}
+// Helper: shuffle array in place
+function shuffleArray(arr) {
+	for (var i = arr.length - 1; i > 0; i--) {
+		var j = Math.floor(Math.random() * (i + 1));
+		var temp = arr[i];
+		arr[i] = arr[j];
+		arr[j] = temp;
+	}
+}
+// Helper: animate swap between two cards
+function animateSwap(cardA, cardB, duration, onFinish) {
+	var ax = cardA.x,
+		ay = cardA.y;
+	var bx = cardB.x,
+		by = cardB.y;
+	tween(cardA, {
+		x: bx,
+		y: by
+	}, {
+		duration: duration,
+		easing: tween.cubicInOut
+	});
+	tween(cardB, {
+		x: ax,
+		y: ay
+	}, {
+		duration: duration,
+		easing: tween.cubicInOut,
+		onFinish: onFinish
+	});
+}
+// Helper: perform a shuffle sequence (array of swaps)
+function performShuffleSequence(swaps, idx, onFinish) {
+	if (idx >= swaps.length) {
+		if (onFinish) onFinish();
+		return;
+	}
+	var pair = swaps[idx];
+	animateSwap(cards[pair[0]], cards[pair[1]], shuffleSpeed, function () {
+		// Swap card objects in array
+		var temp = cards[pair[0]];
+		cards[pair[0]] = cards[pair[1]];
+		cards[pair[1]] = temp;
+		// Update indices
+		cards[0].index = 0;
+		cards[1].index = 1;
+		cards[2].index = 2;
+		performShuffleSequence(swaps, idx + 1, onFinish);
+	});
+}
+// Helper: generate a random shuffle sequence (array of [i,j] swaps)
+function generateShuffleSequence(count) {
+	var swaps = [];
+	for (var i = 0; i < count; i++) {
+		// Pick two distinct indices
+		var a = Math.floor(Math.random() * NUM_CARDS);
+		var b;
+		do {
+			b = Math.floor(Math.random() * NUM_CARDS);
+		} while (b === a);
+		swaps.push([a, b]);
+	}
+	return swaps;
+}
+// Start a new round
+function startRound() {
+	shuffling = false;
+	canPick = false;
+	updateGUI();
+	// Place cards in initial positions
+	for (var i = 0; i < NUM_CARDS; i++) {
+		var pos = getCardPos(i);
+		cards[i].x = pos.x;
+		cards[i].y = pos.y;
+		cards[i].index = i;
+		cards[i].isPrize = false;
+		cards[i].setState('facedown');
+	}
+	// Randomly assign prize
+	prizeIndex = Math.floor(Math.random() * NUM_CARDS);
+	cards[prizeIndex].isPrize = true;
+	// Show all cards faceup for 1s
+	allCardsFaceup();
+	showMessage('Find the Prize!', 1000);
+	LK.setTimeout(function () {
+		// Flip all cards facedown
+		allCardsFacedown();
+		LK.setTimeout(function () {
+			// Start shuffling
+			shuffleCount = 3 + round; // Increase shuffle count per round
+			shuffleSpeed = Math.max(220, 600 - round * 40); // Faster per round
+			var swaps = generateShuffleSequence(shuffleCount);
+			shuffling = true;
+			performShuffleSequence(swaps, 0, function () {
+				shuffling = false;
+				canPick = true;
+				showMessage('Pick a Card!', 800);
+			});
+		}, 500);
+	}, 1000);
+}
+// Card tap handler
+function onCardTap(card) {
+	if (!canPick || shuffling) return;
+	canPick = false;
+	card.flashHighlight();
+	// Reveal all cards
+	revealAllCards();
+	if (card.isPrize) {
+		score += 1;
+		updateGUI();
+		showMessage('Correct!', 900);
+		LK.effects.flashObject(card, 0x00ff00, 600);
+		LK.setTimeout(function () {
+			nextRound();
+		}, 1100);
+	} else {
+		showMessage('Wrong!', 1200);
+		LK.effects.flashObject(card, 0xff0000, 600);
+		LK.setTimeout(function () {
+			// Show game over
+			LK.showGameOver();
+		}, 1300);
+	}
+}
+// Next round or win
+function nextRound() {
+	round += 1;
+	if (round > maxRounds) {
+		showMessage('You Win!', 1500);
+		LK.setTimeout(function () {
+			LK.showYouWin();
+		}, 1700);
+	} else {
+		startRound();
+	}
+}
+// --- Game setup ---
+// Create cards
+for (var i = 0; i < NUM_CARDS; i++) {
+	var card = new Card();
+	var pos = getCardPos(i);
+	card.x = pos.x;
+	card.y = pos.y;
+	card.index = i;
+	card.setState('facedown');
+	cards.push(card);
+	game.addChild(card);
+}
+// Prevent cards from being placed in top left 100x100
+// (Cards are at y=1800, so this is always satisfied)
+// Start first round after short delay
+LK.setTimeout(function () {
+	startRound();
+}, 600);
+// --- Game update loop (not used for logic, but could be used for future animations) ---
+game.update = function () {
+	// No per-frame logic needed for MVP
+};
\ No newline at end of file