===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,438 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+// Bird class
+var Bird = Container.expand(function () {
+	var self = Container.call(this);
+	self.speed = 0;
+	self.dir = 1; // 1 = right, -1 = left
+	self.isActive = true;
+	var bird = self.attachAsset('bird', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		if (!self.isActive) return;
+		self.x += self.speed * self.dir;
+	};
+	self.crash = function () {
+		if (!self.isActive) return;
+		self.isActive = false;
+		LK.getSound('bird_hit').play();
+		tween(self, {
+			alpha: 0
+		}, {
+			duration: 400,
+			onFinish: function onFinish() {
+				self.visible = false;
+			}
+		});
+	};
+	return self;
+});
+// Kite class
+var Kite = Container.expand(function () {
+	var self = Container.call(this);
+	self.speed = 0;
+	self.dir = 1;
+	self.isActive = true;
+	var kite = self.attachAsset('kite', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		if (!self.isActive) return;
+		self.x += self.speed * self.dir;
+	};
+	self.crash = function () {
+		if (!self.isActive) return;
+		self.isActive = false;
+		tween(self, {
+			alpha: 0
+		}, {
+			duration: 400,
+			onFinish: function onFinish() {
+				self.visible = false;
+			}
+		});
+	};
+	return self;
+});
+// Paratrooper class
+var Paratrooper = Container.expand(function () {
+	var self = Container.call(this);
+	// State: 0 = falling, 1 = parachute open, 2 = landed, 3 = crashed, 4 = rescued
+	self.state = 0;
+	self.speed = 0;
+	self.hasParachute = false;
+	self.isActive = true;
+	// Attach body
+	var body = self.attachAsset('paratrooper_body', {
+		anchorX: 0.5,
+		anchorY: 0.0
+	});
+	body.y = 0;
+	// Attach parachute (hidden at first)
+	var chute = self.attachAsset('parachute', {
+		anchorX: 0.5,
+		anchorY: 1.0,
+		y: 0
+	});
+	chute.visible = false;
+	// For tap detection
+	self.down = function (x, y, obj) {
+		if (self.state === 0 && self.isActive) {
+			self.openParachute();
+		}
+	};
+	// Open parachute
+	self.openParachute = function () {
+		if (self.state !== 0) return;
+		self.state = 1;
+		self.hasParachute = true;
+		chute.visible = true;
+		// Slow down
+		self.speed = self.speed * 0.28;
+		// Animate parachute pop
+		chute.scaleY = 0.1;
+		tween(chute, {
+			scaleY: 1
+		}, {
+			duration: 200,
+			easing: tween.bounceOut
+		});
+		LK.getSound('parachute_open').play();
+	};
+	// Crash animation
+	self.crash = function () {
+		if (!self.isActive) return;
+		self.isActive = false;
+		self.state = 3;
+		// Flash red
+		LK.effects.flashObject(self, 0xff0000, 600);
+		LK.getSound('crash').play();
+		// Fade out
+		tween(self, {
+			alpha: 0
+		}, {
+			duration: 600,
+			onFinish: function onFinish() {
+				self.visible = false;
+			}
+		});
+	};
+	// Rescue animation
+	self.rescue = function () {
+		if (!self.isActive) return;
+		self.isActive = false;
+		self.state = 4;
+		// Flash green
+		LK.effects.flashObject(self, 0x00ff00, 400);
+		// Fade out
+		tween(self, {
+			alpha: 0
+		}, {
+			duration: 400,
+			onFinish: function onFinish() {
+				self.visible = false;
+			}
+		});
+	};
+	// Bird/kite collision
+	self.hitHazard = function () {
+		if (self.state === 0 && self.isActive) {
+			self.crash();
+		}
+	};
+	self.update = function () {
+		if (!self.isActive) return;
+		self.y += self.speed;
+	};
+	return self;
+});
+// Plane class (for visual, not interactive)
+var Plane = Container.expand(function () {
+	var self = Container.call(this);
+	var plane = self.attachAsset('plane', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87ceeb // Sky blue
+});
+
+/**** 
+* Game Code
+****/ 
+// Paratrooper body (box), parachute (ellipse), bird (ellipse), kite (box), ground (box), plane (box)
+// Game constants
+var GAME_WIDTH = 2048;
+var GAME_HEIGHT = 2732;
+var GROUND_HEIGHT = 60;
+var LEVELS = 20;
+// Level config: Each level increases paratroopers, speed, and hazards
+var levelConfigs = [];
+for (var i = 0; i < LEVELS; i++) {
+	levelConfigs.push({
+		paratroopers: 3 + Math.floor(i * 0.7),
+		speed: 9 + i * 1.2,
+		hazards: i < 3 ? 0 : Math.min(1 + Math.floor((i - 2) / 2), 4),
+		hazardSpeed: 7 + i * 0.7,
+		hazardTypes: i < 6 ? ['bird'] : i < 12 ? ['bird', 'kite'] : ['bird', 'kite'],
+		spawnInterval: Math.max(40 - i * 2, 16)
+	});
+}
+// State
+var currentLevel = 1;
+var paratroopers = [];
+var hazards = [];
+var rescuedCount = 0;
+var lostCount = 0;
+var totalToRescue = 0;
+var isLevelActive = false;
+var plane = null;
+var ground = null;
+var levelText = null;
+var rescuedText = null;
+var lostText = null;
+var levelTimeout = null;
+var spawnTick = 0;
+var hazardTick = 0;
+var dragNode = null;
+// Add ground
+ground = LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: GAME_HEIGHT - GROUND_HEIGHT
+});
+game.addChild(ground);
+// Add level text
+levelText = new Text2('Level 1', {
+	size: 90,
+	fill: 0xFFFFFF
+});
+levelText.anchor.set(0.5, 0);
+LK.gui.top.addChild(levelText);
+// Add rescued/lost text
+rescuedText = new Text2('Rescued: 0', {
+	size: 70,
+	fill: 0xFFFFFF
+});
+rescuedText.anchor.set(0, 0);
+LK.gui.top.addChild(rescuedText);
+lostText = new Text2('Lost: 0', {
+	size: 70,
+	fill: 0xFF4444
+});
+lostText.anchor.set(1, 0);
+LK.gui.topRight.addChild(lostText);
+// Start music
+LK.playMusic('bgmusic');
+// Start first level
+startLevel(currentLevel);
+function startLevel(level) {
+	// Reset state
+	for (var i = 0; i < paratroopers.length; i++) {
+		paratroopers[i].destroy();
+	}
+	for (var i = 0; i < hazards.length; i++) {
+		hazards[i].destroy();
+	}
+	paratroopers = [];
+	hazards = [];
+	rescuedCount = 0;
+	lostCount = 0;
+	isLevelActive = true;
+	spawnTick = 0;
+	hazardTick = 0;
+	totalToRescue = levelConfigs[level - 1].paratroopers;
+	levelText.setText('Level ' + level);
+	rescuedText.setText('Rescued: 0');
+	lostText.setText('Lost: 0');
+	// Animate level text
+	levelText.alpha = 1;
+	tween(levelText, {
+		alpha: 0
+	}, {
+		duration: 1200
+	});
+	// Plane flyby
+	if (plane) plane.destroy();
+	plane = new Plane();
+	plane.y = 180;
+	plane.x = -200;
+	game.addChild(plane);
+	tween(plane, {
+		x: GAME_WIDTH + 200
+	}, {
+		duration: 1800,
+		easing: tween.linear,
+		onFinish: function onFinish() {
+			plane.destroy();
+			plane = null;
+		}
+	});
+}
+// Paratrooper spawn
+function spawnParatrooper() {
+	var config = levelConfigs[currentLevel - 1];
+	var p = new Paratrooper();
+	// Random x, avoid edges
+	var margin = 120;
+	p.x = margin + Math.random() * (GAME_WIDTH - 2 * margin);
+	p.y = 220;
+	p.speed = config.speed + Math.random() * 2;
+	p.state = 0;
+	p.hasParachute = false;
+	p.isActive = true;
+	paratroopers.push(p);
+	game.addChild(p);
+}
+// Hazard spawn
+function spawnHazard() {
+	var config = levelConfigs[currentLevel - 1];
+	var type = config.hazardTypes[Math.floor(Math.random() * config.hazardTypes.length)];
+	var h = null;
+	var y = 400 + Math.random() * (GAME_HEIGHT - GROUND_HEIGHT - 800);
+	var dir = Math.random() < 0.5 ? 1 : -1;
+	var speed = config.hazardSpeed + Math.random() * 2;
+	var x = dir === 1 ? -100 : GAME_WIDTH + 100;
+	if (type === 'bird') {
+		h = new Bird();
+	} else {
+		h = new Kite();
+	}
+	h.x = x;
+	h.y = y;
+	h.dir = dir;
+	h.speed = speed;
+	h.isActive = true;
+	hazards.push(h);
+	game.addChild(h);
+}
+// Game move handler (for drag, but not used in this game)
+game.move = function (x, y, obj) {
+	// No drag in this game
+};
+// Game down handler (for tap on paratroopers)
+game.down = function (x, y, obj) {
+	// Find topmost paratrooper under tap
+	for (var i = paratroopers.length - 1; i >= 0; i--) {
+		var p = paratroopers[i];
+		if (p.isActive && p.state === 0 && p.visible) {
+			// Check if tap is inside body
+			var local = p.toLocal({
+				x: x,
+				y: y
+			});
+			var body = p.children[0];
+			if (local.x >= body.x - body.width / 2 && local.x <= body.x + body.width / 2 && local.y >= body.y && local.y <= body.y + body.height) {
+				p.openParachute();
+				break;
+			}
+		}
+	}
+};
+// Game update
+game.update = function () {
+	if (!isLevelActive) return;
+	var config = levelConfigs[currentLevel - 1];
+	// Spawn paratroopers
+	if (paratroopers.length < totalToRescue && LK.ticks % config.spawnInterval === 0) {
+		spawnParatrooper();
+	}
+	// Spawn hazards
+	if (config.hazards > 0 && hazards.length < config.hazards && LK.ticks % (80 + Math.floor(Math.random() * 40)) === 0) {
+		spawnHazard();
+	}
+	// Update paratroopers
+	for (var i = paratroopers.length - 1; i >= 0; i--) {
+		var p = paratroopers[i];
+		p.update();
+		// Check for ground collision
+		if (p.isActive && p.y + 90 >= GAME_HEIGHT - GROUND_HEIGHT) {
+			if (p.state === 1) {
+				// Landed safely
+				p.rescue();
+				rescuedCount++;
+				rescuedText.setText('Rescued: ' + rescuedCount);
+			} else if (p.state === 0) {
+				// Crashed
+				p.crash();
+				lostCount++;
+				lostText.setText('Lost: ' + lostCount);
+				// Flash screen
+				LK.effects.flashScreen(0xff0000, 400);
+			}
+			// Remove after animation
+			LK.setTimeout(function (paratrooper) {
+				return function () {
+					paratrooper.destroy();
+				};
+			}(p), 700);
+			paratroopers.splice(i, 1);
+			continue;
+		}
+		// Check for hazard collision
+		for (var j = hazards.length - 1; j >= 0; j--) {
+			var h = hazards[j];
+			if (h.isActive && p.isActive && p.state === 0 && p.intersects(h)) {
+				p.hitHazard();
+				h.crash();
+				lostCount++;
+				lostText.setText('Lost: ' + lostCount);
+				LK.effects.flashScreen(0xff0000, 400);
+				LK.setTimeout(function (paratrooper) {
+					return function () {
+						paratrooper.destroy();
+					};
+				}(p), 700);
+				paratroopers.splice(i, 1);
+				break;
+			}
+		}
+	}
+	// Update hazards
+	for (var i = hazards.length - 1; i >= 0; i--) {
+		var h = hazards[i];
+		h.update();
+		// Remove if off screen
+		if (h.dir === 1 && h.x > GAME_WIDTH + 120 || h.dir === -1 && h.x < -120) {
+			h.destroy();
+			hazards.splice(i, 1);
+		}
+	}
+	// Level end condition
+	if (rescuedCount + lostCount >= totalToRescue && paratroopers.length === 0) {
+		isLevelActive = false;
+		if (rescuedCount === totalToRescue) {
+			// Level complete
+			LK.getSound('levelup').play();
+			if (currentLevel < LEVELS) {
+				currentLevel++;
+				LK.setTimeout(function () {
+					startLevel(currentLevel);
+				}, 1200);
+			} else {
+				// Game win
+				LK.showYouWin();
+			}
+		} else {
+			// Game over
+			LK.showGameOver();
+		}
+	}
+};
\ No newline at end of file