===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,439 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// NumberBubble: Represents a draggable number on the board
+var NumberBubble = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach a circular shape as the bubble
+	var bubble = self.attachAsset('bubble', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Attach the number as text
+	self.text = new Text2('', {
+		size: 120,
+		fill: 0xFFFFFF
+	});
+	self.text.anchor.set(0.5, 0.5);
+	self.addChild(self.text);
+	// Value of the bubble
+	self.value = 0;
+	// Is this bubble currently selected?
+	self.selected = false;
+	// Set value and update text
+	self.setValue = function (v) {
+		self.value = v;
+		self.text.setText(v + '');
+	};
+	// Visual feedback for selection
+	self.setSelected = function (isSelected) {
+		self.selected = isSelected;
+		if (isSelected) {
+			tween(self, {
+				scaleX: 1.2,
+				scaleY: 1.2
+			}, {
+				duration: 150,
+				easing: tween.easeOut
+			});
+		} else {
+			tween(self, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 150,
+				easing: tween.easeOut
+			});
+		}
+	};
+	// Destroy bubble
+	self.destroyBubble = function () {
+		// Animate out
+		tween(self, {
+			alpha: 0,
+			scaleX: 0.5,
+			scaleY: 0.5
+		}, {
+			duration: 200,
+			onFinish: function onFinish() {
+				self.destroy();
+			}
+		});
+	};
+	return self;
+});
+// OperationButton: Represents an operation (+, -, ×, ÷) button
+var OperationButton = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach a box shape as the button
+	var btn = self.attachAsset('opbtn', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Attach the operation symbol as text
+	self.text = new Text2('', {
+		size: 100,
+		fill: 0x222222
+	});
+	self.text.anchor.set(0.5, 0.5);
+	self.addChild(self.text);
+	// Operation type: '+', '-', '×', '÷'
+	self.op = '+';
+	// Set operation and update text
+	self.setOp = function (op) {
+		self.op = op;
+		self.text.setText(op);
+	};
+	// Visual feedback for selection
+	self.setSelected = function (isSelected) {
+		if (isSelected) {
+			tween(self, {
+				scaleX: 1.2,
+				scaleY: 1.2
+			}, {
+				duration: 120,
+				easing: tween.easeOut
+			});
+		} else {
+			tween(self, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 120,
+				easing: tween.easeOut
+			});
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a1a2e
+});
+
+/**** 
+* Game Code
+****/ 
+// --- Game parameters ---
+var NUM_BUBBLES = 5;
+var MIN_NUM = 1;
+var MAX_NUM = 20;
+var OPERATIONS = ['+', '-', '×', '÷'];
+var MOVE_LIMIT = 8; // Number of allowed moves
+var BUBBLE_RADIUS = 160;
+var BUBBLE_SPACING = 340;
+var BOARD_MARGIN = 200;
+// --- State ---
+var bubbles = [];
+var opButtons = [];
+var selectedBubbles = [];
+var selectedOp = null;
+var targetNumber = 0;
+var moveCount = 0;
+var moveLimit = MOVE_LIMIT;
+var gameActive = true;
+// --- UI Elements ---
+var targetText, movesText, infoText;
+// --- Asset Initialization ---
+// --- Helper Functions ---
+// Generate a random integer between min and max (inclusive)
+function randInt(min, max) {
+	return min + Math.floor(Math.random() * (max - min + 1));
+}
+// Shuffle an array in-place
+function shuffle(arr) {
+	for (var i = arr.length - 1; i > 0; i--) {
+		var j = randInt(0, i);
+		var t = arr[i];
+		arr[i] = arr[j];
+		arr[j] = t;
+	}
+}
+// Generate a solvable puzzle: returns {numbers:[], target: number}
+function generatePuzzle() {
+	// Start with a random number as the "target"
+	var numbers = [];
+	var steps = NUM_BUBBLES - 1;
+	var current = randInt(10, 50);
+	var history = [current];
+	for (var i = 0; i < steps; i++) {
+		// Pick a random operation
+		var op = OPERATIONS[randInt(0, OPERATIONS.length - 1)];
+		// Pick a random operand
+		var operand;
+		if (op === '+') {
+			operand = randInt(MIN_NUM, MAX_NUM);
+			current = current - operand;
+		} else if (op === '-') {
+			operand = randInt(MIN_NUM, Math.min(current, MAX_NUM));
+			current = current + operand;
+		} else if (op === '×') {
+			operand = randInt(2, 5);
+			if (current % operand !== 0) {
+				current = current * operand;
+			}
+			current = current / operand;
+		} else if (op === '÷') {
+			operand = randInt(2, 5);
+			current = current * operand;
+		}
+		numbers.push(operand);
+		history.push(current);
+	}
+	numbers.push(Math.round(current));
+	shuffle(numbers);
+	return {
+		numbers: numbers.map(function (n) {
+			return Math.round(n);
+		}),
+		target: Math.round(history[0])
+	};
+}
+// Reset game state
+function resetGame() {
+	// Remove old bubbles
+	for (var i = 0; i < bubbles.length; i++) {
+		bubbles[i].destroy();
+	}
+	bubbles = [];
+	selectedBubbles = [];
+	selectedOp = null;
+	moveCount = 0;
+	gameActive = true;
+	// Generate puzzle
+	var puzzle = generatePuzzle();
+	var nums = puzzle.numbers;
+	targetNumber = puzzle.target;
+	moveLimit = MOVE_LIMIT;
+	// Place bubbles in a circle
+	var centerX = 2048 / 2;
+	var centerY = 1200;
+	var angleStep = Math.PI * 2 / nums.length;
+	for (var i = 0; i < nums.length; i++) {
+		var nb = new NumberBubble();
+		nb.setValue(nums[i]);
+		nb.x = centerX + Math.cos(i * angleStep - Math.PI / 2) * BUBBLE_SPACING;
+		nb.y = centerY + Math.sin(i * angleStep - Math.PI / 2) * BUBBLE_SPACING;
+		nb.scaleX = nb.scaleY = 1;
+		nb.alpha = 1;
+		nb.index = i;
+		nb.setSelected(false);
+		game.addChild(nb);
+		bubbles.push(nb);
+	}
+	// Update UI
+	targetText.setText('Hedef: ' + targetNumber);
+	movesText.setText('Hamle: 0/' + moveLimit);
+	infoText.setText('İki sayı seç, işlem seç ve uygula!');
+}
+// --- UI Setup ---
+// Target number display
+targetText = new Text2('Hedef: 0', {
+	size: 120,
+	fill: 0xFFBE0B
+});
+targetText.anchor.set(0.5, 0);
+LK.gui.top.addChild(targetText);
+// Moves left display
+movesText = new Text2('Hamle: 0/' + MOVE_LIMIT, {
+	size: 90,
+	fill: 0xFFFFFF
+});
+movesText.anchor.set(0.5, 0);
+LK.gui.top.addChild(movesText);
+// Info text
+infoText = new Text2('', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+infoText.anchor.set(0.5, 0);
+LK.gui.bottom.addChild(infoText);
+// --- Operation Buttons ---
+var opAreaY = 2100;
+var opAreaX = 2048 / 2 - 2 * 220;
+for (var i = 0; i < OPERATIONS.length; i++) {
+	var opBtn = new OperationButton();
+	opBtn.setOp(OPERATIONS[i]);
+	opBtn.x = opAreaX + i * 220;
+	opBtn.y = opAreaY;
+	opBtn.scaleX = opBtn.scaleY = 1;
+	opBtn.setSelected(false);
+	game.addChild(opBtn);
+	opButtons.push(opBtn);
+}
+// --- Input Handling ---
+// Helper: get bubble at (x, y)
+function getBubbleAt(x, y) {
+	for (var i = 0; i < bubbles.length; i++) {
+		var b = bubbles[i];
+		var dx = x - b.x;
+		var dy = y - b.y;
+		var r = BUBBLE_RADIUS;
+		if (dx * dx + dy * dy <= r * r) {
+			return b;
+		}
+	}
+	return null;
+}
+// Helper: get op button at (x, y)
+function getOpButtonAt(x, y) {
+	for (var i = 0; i < opButtons.length; i++) {
+		var btn = opButtons[i];
+		var bx = btn.x,
+			by = btn.y;
+		var w = 180,
+			h = 180;
+		if (x >= bx - w / 2 && x <= bx + w / 2 && y >= by - h / 2 && y <= by + h / 2) {
+			return btn;
+		}
+	}
+	return null;
+}
+// Main input handler
+game.down = function (x, y, obj) {
+	if (!gameActive) return;
+	// Try to select a bubble
+	var b = getBubbleAt(x, y);
+	if (b && selectedBubbles.indexOf(b) === -1) {
+		if (selectedBubbles.length < 2) {
+			selectedBubbles.push(b);
+			b.setSelected(true);
+		}
+		// Deselect if already selected
+		else if (selectedBubbles.length === 2) {
+			for (var i = 0; i < selectedBubbles.length; i++) {
+				selectedBubbles[i].setSelected(false);
+			}
+			selectedBubbles = [b];
+			b.setSelected(true);
+		}
+		infoText.setText(selectedBubbles.length === 2 ? 'İşlem seç!' : 'Bir sayı daha seç!');
+		return;
+	}
+	// Try to select an operation
+	var opBtn = getOpButtonAt(x, y);
+	if (opBtn && selectedBubbles.length === 2) {
+		// Deselect previous op
+		for (var i = 0; i < opButtons.length; i++) {
+			opButtons[i].setSelected(false);
+		}
+		opBtn.setSelected(true);
+		selectedOp = opBtn.op;
+		// Apply operation
+		applyOperation();
+		return;
+	}
+};
+// --- Operation Logic ---
+function applyOperation() {
+	if (!gameActive) return;
+	if (selectedBubbles.length !== 2 || !selectedOp) return;
+	var a = selectedBubbles[0];
+	var b = selectedBubbles[1];
+	var v1 = a.value,
+		v2 = b.value;
+	var result = 0;
+	var valid = true;
+	if (selectedOp === '+') {
+		result = v1 + v2;
+	} else if (selectedOp === '-') {
+		result = v1 - v2;
+		if (result < 0) valid = false;
+	} else if (selectedOp === '×') {
+		result = v1 * v2;
+	} else if (selectedOp === '÷') {
+		if (v2 === 0 || v1 % v2 !== 0) valid = false;else result = v1 / v2;
+	}
+	if (!valid) {
+		infoText.setText('Geçersiz işlem!');
+		// Deselect
+		for (var i = 0; i < selectedBubbles.length; i++) {
+			selectedBubbles[i].setSelected(false);
+		}
+		selectedBubbles = [];
+		for (var i = 0; i < opButtons.length; i++) {
+			opButtons[i].setSelected(false);
+		}
+		selectedOp = null;
+		return;
+	}
+	// Remove used bubbles
+	a.destroyBubble();
+	b.destroyBubble();
+	var idxA = bubbles.indexOf(a);
+	var idxB = bubbles.indexOf(b);
+	if (idxA > -1) bubbles.splice(idxA, 1);
+	if (idxB > -1 && idxB !== idxA) bubbles.splice(bubbles.indexOf(b), 1);
+	// Add new bubble at average position
+	var newBubble = new NumberBubble();
+	newBubble.setValue(result);
+	newBubble.x = (a.x + b.x) / 2;
+	newBubble.y = (a.y + b.y) / 2;
+	newBubble.scaleX = newBubble.scaleY = 0.5;
+	newBubble.alpha = 0;
+	newBubble.setSelected(false);
+	game.addChild(newBubble);
+	bubbles.push(newBubble);
+	tween(newBubble, {
+		scaleX: 1,
+		scaleY: 1,
+		alpha: 1
+	}, {
+		duration: 200,
+		easing: tween.easeOut
+	});
+	// Deselect all
+	for (var i = 0; i < opButtons.length; i++) {
+		opButtons[i].setSelected(false);
+	}
+	selectedBubbles = [];
+	selectedOp = null;
+	// Update move count
+	moveCount++;
+	movesText.setText('Hamle: ' + moveCount + '/' + moveLimit);
+	// Check win/lose
+	checkGameState();
+}
+// --- Game State Check ---
+function checkGameState() {
+	// Win: Only one bubble left and its value == target
+	if (bubbles.length === 1 && bubbles[0].value === targetNumber) {
+		infoText.setText('Tebrikler! Hedefe ulaştın!');
+		LK.setScore(1);
+		LK.showYouWin();
+		gameActive = false;
+		return;
+	}
+	// Lose: Out of moves or no more valid moves
+	if (moveCount >= moveLimit) {
+		infoText.setText('Hamle hakkın bitti!');
+		LK.setScore(0);
+		LK.showGameOver();
+		gameActive = false;
+		return;
+	}
+	// If only one bubble left but not target
+	if (bubbles.length === 1 && bubbles[0].value !== targetNumber) {
+		infoText.setText('Hedefe ulaşamadın!');
+		LK.setScore(0);
+		LK.showGameOver();
+		gameActive = false;
+		return;
+	}
+	// Otherwise, keep playing
+	infoText.setText('İki sayı seç, işlem seç ve uygula!');
+}
+// --- Game Update Loop ---
+game.update = function () {
+	// No per-frame logic needed for now
+};
+// --- Start Game ---
+resetGame();
\ No newline at end of file