===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,272 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Box (player) class
+var Box = Container.expand(function () {
+	var self = Container.call(this);
+	// Box asset: square
+	var box = self.attachAsset('box', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	box.width = 120;
+	box.height = 120;
+	// Physics
+	self.vx = 0;
+	self.vy = 0;
+	self.isJumping = false;
+	// For collision, use self's position and box's size
+	self.getBounds = function () {
+		return {
+			x: self.x - box.width / 2,
+			y: self.y - box.height / 2,
+			width: box.width,
+			height: box.height
+		};
+	};
+	return self;
+});
+// Platform class: a static platform the box can land on
+var Platform = Container.expand(function () {
+	var self = Container.call(this);
+	// Platform asset: wide, short rectangle
+	var plat = self.attachAsset('platform', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set default width/height for platform
+	plat.width = 400;
+	plat.height = 60;
+	// For collision, use self's position and plat's size
+	self.getBounds = function () {
+		return {
+			x: self.x - plat.width / 2,
+			y: self.y - plat.height / 2,
+			width: plat.width,
+			height: plat.height
+		};
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222244
+});
+
+/**** 
+* Game Code
+****/ 
+// Game constants
+// Platform and box colors
+var GAME_WIDTH = 2048;
+var GAME_HEIGHT = 2732;
+var PLATFORM_WIDTH = 400;
+var PLATFORM_HEIGHT = 60;
+var BOX_SIZE = 120;
+var PLATFORM_GAP_MIN = 220;
+var PLATFORM_GAP_MAX = 400;
+var PLATFORM_Y = GAME_HEIGHT * 0.7;
+var BOX_START_X = 400;
+var BOX_START_Y = PLATFORM_Y - PLATFORM_HEIGHT / 2 - BOX_SIZE / 2;
+var SCROLL_SPEED = 10; // px per frame
+var JUMP_VY = -38; // initial jump velocity
+var GRAVITY = 3; // gravity per frame
+var WIN_PLATFORMS = 10;
+// Game state
+var platforms = [];
+var box;
+var currentPlatformIndex = 0;
+var jumpButton;
+var scoreText;
+var isGameOver = false;
+var isYouWin = false;
+var platformsPassed = 0;
+// --- UI: Score ---
+scoreText = new Text2('0 / ' + WIN_PLATFORMS, {
+	size: 100,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+// --- UI: Jump Button ---
+jumpButton = new Container();
+var btnBg = jumpButton.attachAsset('jumpbtn', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+btnBg.width = 400;
+btnBg.height = 180;
+btnBg.tint = 0xFF5A36;
+var btnLabel = new Text2('Zıpla', {
+	size: 80,
+	fill: "#fff"
+});
+btnLabel.anchor.set(0.5, 0.5);
+jumpButton.addChild(btnLabel);
+// Place button at bottom center, above bottom edge
+jumpButton.x = GAME_WIDTH / 2;
+jumpButton.y = GAME_HEIGHT - 250;
+game.addChild(jumpButton);
+// --- Create Platforms ---
+function createInitialPlatforms() {
+	// Clear old
+	for (var i = 0; i < platforms.length; i++) {
+		platforms[i].destroy();
+	}
+	platforms = [];
+	var x = BOX_START_X - 100; // Start a bit left of box
+	for (var i = 0; i < WIN_PLATFORMS + 2; i++) {
+		var plat = new Platform();
+		plat.x = x;
+		plat.y = PLATFORM_Y;
+		game.addChild(plat);
+		platforms.push(plat);
+		// Next platform: random gap
+		var gap = PLATFORM_GAP_MIN + Math.floor(Math.random() * (PLATFORM_GAP_MAX - PLATFORM_GAP_MIN));
+		x += PLATFORM_WIDTH + gap;
+	}
+}
+// --- Create Box ---
+function createBox() {
+	if (box) box.destroy();
+	box = new Box();
+	box.x = BOX_START_X;
+	box.y = BOX_START_Y;
+	box.vx = 0;
+	box.vy = 0;
+	box.isJumping = false;
+	game.addChild(box);
+}
+// --- Reset Game State ---
+function resetGame() {
+	isGameOver = false;
+	isYouWin = false;
+	platformsPassed = 0;
+	currentPlatformIndex = 0;
+	scoreText.setText('0 / ' + WIN_PLATFORMS);
+	createInitialPlatforms();
+	createBox();
+}
+// --- Platform Collision Detection ---
+function boxOnPlatform() {
+	// Check if box is standing on any platform (from currentPlatformIndex and next)
+	var bounds = box.getBounds();
+	for (var i = 0; i < platforms.length; i++) {
+		var plat = platforms[i];
+		var pb = plat.getBounds();
+		// Only check platforms under/near the box
+		if (bounds.x + bounds.width * 0.7 > pb.x && bounds.x + bounds.width * 0.3 < pb.x + pb.width && Math.abs(bounds.y + bounds.height - pb.y) < 30 && box.vy >= 0) {
+			return plat;
+		}
+	}
+	return null;
+}
+// --- Game Over ---
+function triggerGameOver() {
+	if (isGameOver) return;
+	isGameOver = true;
+	LK.effects.flashScreen(0xff0000, 800);
+	LK.showGameOver();
+}
+// --- You Win ---
+function triggerYouWin() {
+	if (isYouWin) return;
+	isYouWin = true;
+	LK.effects.flashScreen(0x00ff00, 800);
+	LK.showYouWin();
+}
+// --- Handle Jump Button ---
+jumpButton.down = function (x, y, obj) {
+	if (isGameOver || isYouWin) return;
+	if (!box.isJumping) {
+		box.vy = JUMP_VY;
+		box.isJumping = true;
+		// Animate button press
+		tween(jumpButton, {
+			scaleX: 0.92,
+			scaleY: 0.92
+		}, {
+			duration: 80,
+			easing: tween.easeIn,
+			onFinish: function onFinish() {
+				tween(jumpButton, {
+					scaleX: 1,
+					scaleY: 1
+				}, {
+					duration: 80,
+					easing: tween.easeOut
+				});
+			}
+		});
+	}
+};
+// --- Main Game Update ---
+game.update = function () {
+	if (isGameOver || isYouWin) return;
+	// --- Move platforms left (simulate box moving right) ---
+	for (var i = 0; i < platforms.length; i++) {
+		platforms[i].x -= SCROLL_SPEED;
+	}
+	// --- Move box horizontally (box stays at fixed x, but can fall/jump) ---
+	// Gravity
+	box.vy += GRAVITY;
+	box.y += box.vy;
+	// --- Platform collision ---
+	var landedPlat = boxOnPlatform();
+	if (landedPlat) {
+		// Snap box to platform
+		box.y = landedPlat.y - PLATFORM_HEIGHT / 2 - BOX_SIZE / 2;
+		box.vy = 0;
+		box.isJumping = false;
+	} else {
+		// If box falls below screen, game over
+		if (box.y > GAME_HEIGHT + BOX_SIZE) {
+			triggerGameOver();
+			return;
+		}
+	}
+	// --- Check if box passed a platform ---
+	// Find the next platform to pass
+	var nextPlat = platforms[currentPlatformIndex + 1];
+	if (nextPlat && box.x > nextPlat.x - PLATFORM_WIDTH / 2) {
+		// Passed a platform
+		currentPlatformIndex++;
+		platformsPassed++;
+		scoreText.setText(platformsPassed + ' / ' + WIN_PLATFORMS);
+		// Win condition
+		if (platformsPassed >= WIN_PLATFORMS) {
+			triggerYouWin();
+			return;
+		}
+	}
+	// --- Remove platforms that are off screen, add new ones ---
+	if (platforms.length > 0 && platforms[0].x < -PLATFORM_WIDTH) {
+		// Remove from game
+		platforms[0].destroy();
+		platforms.shift();
+		// Add new platform at the end
+		var lastPlat = platforms[platforms.length - 1];
+		var plat = new Platform();
+		var gap = PLATFORM_GAP_MIN + Math.floor(Math.random() * (PLATFORM_GAP_MAX - PLATFORM_GAP_MIN));
+		plat.x = lastPlat.x + PLATFORM_WIDTH + gap;
+		plat.y = PLATFORM_Y;
+		game.addChild(plat);
+		platforms.push(plat);
+	}
+	// --- Check for falling into gap (no platform under box) ---
+	// If box is below all platforms and not jumping, game over
+	if (!landedPlat && box.vy > 0 && box.y > PLATFORM_Y + 100) {
+		triggerGameOver();
+		return;
+	}
+};
+// --- Start Game ---
+resetGame();
\ No newline at end of file