===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,220 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Card = Container.expand(function (symbolType) {
+	var self = Container.call(this);
+	self.symbolType = symbolType;
+	self.isRevealed = false;
+	self.isMatched = false;
+	// Card background
+	var cardBack = self.attachAsset('cardBack', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Card front (hidden initially)
+	var cardFront = self.attachAsset('cardFront', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	});
+	// Symbol (hidden initially)
+	var symbol = self.attachAsset('symbol' + symbolType, {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	});
+	self.reveal = function () {
+		if (self.isRevealed || self.isMatched) return;
+		self.isRevealed = true;
+		LK.getSound('cardFlip').play();
+		// Animate card flip
+		tween(cardBack, {
+			alpha: 0
+		}, {
+			duration: 200
+		});
+		tween(cardFront, {
+			alpha: 1
+		}, {
+			duration: 200
+		});
+		tween(symbol, {
+			alpha: 1
+		}, {
+			duration: 200
+		});
+	};
+	self.hide = function () {
+		if (!self.isRevealed || self.isMatched) return;
+		self.isRevealed = false;
+		// Animate card flip back
+		tween(cardBack, {
+			alpha: 1
+		}, {
+			duration: 200
+		});
+		tween(cardFront, {
+			alpha: 0
+		}, {
+			duration: 200
+		});
+		tween(symbol, {
+			alpha: 0
+		}, {
+			duration: 200
+		});
+	};
+	self.setMatched = function () {
+		self.isMatched = true;
+		self.isRevealed = true;
+		// Flash green to indicate match
+		tween(cardFront, {
+			tint: 0x4CAF50
+		}, {
+			duration: 300,
+			onFinish: function onFinish() {
+				tween(cardFront, {
+					tint: 0xFFFFFF
+				}, {
+					duration: 300
+				});
+			}
+		});
+		tween(symbol, {
+			tint: 0x4CAF50
+		}, {
+			duration: 300,
+			onFinish: function onFinish() {
+				tween(symbol, {
+					tint: 0xFFFFFF
+				}, {
+					duration: 300
+				});
+			}
+		});
+	};
+	self.down = function (x, y, obj) {
+		if (gameState !== 'playing') return;
+		if (self.isMatched) return;
+		if (!self.isRevealed) {
+			if (revealedCards.length < 2) {
+				self.reveal();
+				revealedCards.push(self);
+				if (revealedCards.length === 2) {
+					checkMatch();
+				}
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1A1A1A
+});
+
+/**** 
+* Game Code
+****/ 
+var gameState = 'playing';
+var cards = [];
+var revealedCards = [];
+var matchedPairs = 0;
+var totalPairs = 12;
+// Create symbol pairs array
+var symbolPairs = [];
+for (var i = 1; i <= totalPairs; i++) {
+	symbolPairs.push(i);
+	symbolPairs.push(i);
+}
+// Shuffle the symbol pairs
+function shuffleArray(array) {
+	for (var i = array.length - 1; i > 0; i--) {
+		var j = Math.floor(Math.random() * (i + 1));
+		var temp = array[i];
+		array[i] = array[j];
+		array[j] = temp;
+	}
+}
+shuffleArray(symbolPairs);
+// Add one extra card to make 25 total (5x5 grid)
+symbolPairs.push(1);
+// Create 5x5 grid of cards
+var cardSize = 320;
+var gridSize = 5;
+var startX = (2048 - gridSize * cardSize) / 2 + cardSize / 2;
+var startY = (2732 - gridSize * cardSize) / 2 + cardSize / 2;
+for (var row = 0; row < gridSize; row++) {
+	for (var col = 0; col < gridSize; col++) {
+		var cardIndex = row * gridSize + col;
+		var card = new Card(symbolPairs[cardIndex]);
+		card.x = startX + col * cardSize;
+		card.y = startY + row * cardSize;
+		cards.push(card);
+		game.addChild(card);
+	}
+}
+// Score display
+var scoreTxt = new Text2('Matches: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Title
+var titleTxt = new Text2('Memory Matrix 8-Bit', {
+	size: 100,
+	fill: 0xFFD700
+});
+titleTxt.anchor.set(0.5, 0);
+titleTxt.y = 100;
+LK.gui.top.addChild(titleTxt);
+function checkMatch() {
+	if (revealedCards.length !== 2) return;
+	var card1 = revealedCards[0];
+	var card2 = revealedCards[1];
+	LK.setTimeout(function () {
+		if (card1.symbolType === card2.symbolType) {
+			// Match found
+			card1.setMatched();
+			card2.setMatched();
+			matchedPairs++;
+			LK.getSound('match').play();
+			LK.setScore(matchedPairs);
+			scoreTxt.setText('Matches: ' + matchedPairs);
+			// Check for victory
+			if (matchedPairs === totalPairs) {
+				gameState = 'won';
+				LK.setTimeout(function () {
+					LK.showYouWin();
+				}, 1000);
+			}
+		} else {
+			// No match - game over
+			gameState = 'gameOver';
+			LK.getSound('gameOver').play();
+			// Flash red to indicate wrong match
+			LK.effects.flashScreen(0xFF0000, 1000);
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 1500);
+		}
+		if (gameState === 'playing') {
+			card1.hide();
+			card2.hide();
+		}
+		revealedCards = [];
+	}, 1000);
+}
+game.update = function () {
+	// Game logic is handled through card interactions
+	// No continuous updates needed for this game
+};
\ No newline at end of file