===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,343 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Arena border (visual only)
+var ArenaBorder = Container.expand(function () {
+	var self = Container.call(this);
+	var border = self.attachAsset('arenaBorder', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	border.alpha = 0.7;
+	return self;
+});
+// Bullet class
+var Bullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletSprite = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.vx = 0;
+	self.vy = 0;
+	self.update = function () {
+		self.x += self.vx;
+		self.y += self.vy;
+	};
+	return self;
+});
+// Soul (player) class
+var Soul = Container.expand(function () {
+	var self = Container.call(this);
+	var soulSprite = self.attachAsset('soul', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For hit flash
+	self.flash = function () {
+		tween(self, {
+			alpha: 0.3
+		}, {
+			duration: 80,
+			onFinish: function onFinish() {
+				tween(self, {
+					alpha: 1
+				}, {
+					duration: 120
+				});
+			}
+		});
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x181818
+});
+
+/**** 
+* Game Code
+****/ 
+// Enemy warning (yellow, for telegraphing)
+// Bullet (white circle)
+// Arena border (white rectangle, thin)
+// Heart-shaped soul (red)
+// Arena dimensions (centered)
+var ARENA_W = 1200;
+var ARENA_H = 900;
+var ARENA_X = 2048 / 2 - ARENA_W / 2;
+var ARENA_Y = 2732 / 2 - ARENA_H / 2;
+// Add arena border
+var arenaBorder = new ArenaBorder();
+arenaBorder.x = 2048 / 2;
+arenaBorder.y = 2732 / 2;
+game.addChild(arenaBorder);
+// Add soul (player)
+var soul = new Soul();
+soul.x = 2048 / 2;
+soul.y = 2732 / 2;
+game.addChild(soul);
+// GUI: Timer (shows wave time left)
+var timerTxt = new Text2('', {
+	size: 80,
+	fill: "#fff"
+});
+timerTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(timerTxt);
+// GUI: Wave counter
+var waveTxt = new Text2('', {
+	size: 80,
+	fill: "#fff"
+});
+waveTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(waveTxt);
+waveTxt.y = 90;
+// Game state
+var bullets = [];
+var currentWave = 0;
+var waveTime = 0;
+var waveTimer = 0;
+var waveActive = false;
+var soulAlive = true;
+var dragSoul = false;
+var dragOffsetX = 0;
+var dragOffsetY = 0;
+// Arena bounds (for clamping soul)
+function clampSoul(x, y) {
+	var hw = 50,
+		hh = 50; // soul half size
+	var minX = ARENA_X + hw;
+	var maxX = ARENA_X + ARENA_W - hw;
+	var minY = ARENA_Y + hh;
+	var maxY = ARENA_Y + ARENA_H - hh;
+	return {
+		x: Math.max(minX, Math.min(maxX, x)),
+		y: Math.max(minY, Math.min(maxY, y))
+	};
+}
+// Touch/drag controls
+function handleSoulMove(x, y, obj) {
+	if (!dragSoul || !soulAlive) return;
+	var pos = clampSoul(x - dragOffsetX, y - dragOffsetY);
+	soul.x = pos.x;
+	soul.y = pos.y;
+}
+game.move = function (x, y, obj) {
+	handleSoulMove(x, y, obj);
+};
+game.down = function (x, y, obj) {
+	// Only start drag if inside soul
+	var dx = x - soul.x,
+		dy = y - soul.y;
+	if (dx * dx + dy * dy <= 60 * 60) {
+		dragSoul = true;
+		dragOffsetX = x - soul.x;
+		dragOffsetY = y - soul.y;
+		handleSoulMove(x, y, obj);
+	}
+};
+game.up = function (x, y, obj) {
+	dragSoul = false;
+};
+// Waves definition
+// Each wave: {duration, spawnFunc(tick, bulletsArr)}
+var waves = [
+// Wave 1: Simple slow bullets from top
+{
+	duration: 180,
+	// 3s
+	spawnFunc: function spawnFunc(tick, arr) {
+		if (tick % 30 === 0) {
+			for (var i = 0; i < 4; ++i) {
+				var b = new Bullet();
+				b.x = ARENA_X + 200 + i * 250;
+				b.y = ARENA_Y + 30;
+				b.vx = 0;
+				b.vy = 6;
+				arr.push(b);
+				game.addChild(b);
+			}
+		}
+	}
+},
+// Wave 2: Bullets from left/right
+{
+	duration: 210,
+	// 3.5s
+	spawnFunc: function spawnFunc(tick, arr) {
+		if (tick % 24 === 0) {
+			var b1 = new Bullet();
+			b1.x = ARENA_X + 30;
+			b1.y = ARENA_Y + 150 + tick % 2 * 400;
+			b1.vx = 8;
+			b1.vy = 0;
+			arr.push(b1);
+			game.addChild(b1);
+			var b2 = new Bullet();
+			b2.x = ARENA_X + ARENA_W - 30;
+			b2.y = ARENA_Y + 750 - tick % 2 * 400;
+			b2.vx = -8;
+			b2.vy = 0;
+			arr.push(b2);
+			game.addChild(b2);
+		}
+	}
+},
+// Wave 3: Diagonal bullets from corners
+{
+	duration: 240,
+	// 4s
+	spawnFunc: function spawnFunc(tick, arr) {
+		if (tick % 36 === 0) {
+			// Top-left
+			var b1 = new Bullet();
+			b1.x = ARENA_X + 40;
+			b1.y = ARENA_Y + 40;
+			b1.vx = 5.5;
+			b1.vy = 5.5;
+			arr.push(b1);
+			game.addChild(b1);
+			// Top-right
+			var b2 = new Bullet();
+			b2.x = ARENA_X + ARENA_W - 40;
+			b2.y = ARENA_Y + 40;
+			b2.vx = -5.5;
+			b2.vy = 5.5;
+			arr.push(b2);
+			game.addChild(b2);
+			// Bottom-left
+			var b3 = new Bullet();
+			b3.x = ARENA_X + 40;
+			b3.y = ARENA_Y + ARENA_H - 40;
+			b3.vx = 5.5;
+			b3.vy = -5.5;
+			arr.push(b3);
+			game.addChild(b3);
+			// Bottom-right
+			var b4 = new Bullet();
+			b4.x = ARENA_X + ARENA_W - 40;
+			b4.y = ARENA_Y + ARENA_H - 40;
+			b4.vx = -5.5;
+			b4.vy = -5.5;
+			arr.push(b4);
+			game.addChild(b4);
+		}
+	}
+},
+// Wave 4: Random rain
+{
+	duration: 210,
+	// 3.5s
+	spawnFunc: function spawnFunc(tick, arr) {
+		if (tick % 10 === 0) {
+			var b = new Bullet();
+			b.x = ARENA_X + 80 + Math.floor(Math.random() * (ARENA_W - 160));
+			b.y = ARENA_Y + 30;
+			b.vx = 0;
+			b.vy = 10 + Math.random() * 2;
+			arr.push(b);
+			game.addChild(b);
+		}
+	}
+},
+// Wave 5: Spiral (center out)
+{
+	duration: 270,
+	// 4.5s
+	spawnFunc: function spawnFunc(tick, arr) {
+		if (tick % 12 === 0) {
+			var angle = tick / 12 * 0.5;
+			for (var i = 0; i < 4; ++i) {
+				var a = angle + i * Math.PI / 2;
+				var b = new Bullet();
+				b.x = 2048 / 2;
+				b.y = 2732 / 2;
+				b.vx = Math.cos(a) * 8;
+				b.vy = Math.sin(a) * 8;
+				arr.push(b);
+				game.addChild(b);
+			}
+		}
+	}
+}];
+// Start first wave
+function startWave(idx) {
+	currentWave = idx;
+	waveTime = 0;
+	waveActive = true;
+	waveTimer = 0;
+	// Remove all bullets
+	for (var i = bullets.length - 1; i >= 0; --i) {
+		bullets[i].destroy();
+		bullets.splice(i, 1);
+	}
+	// Update GUI
+	waveTxt.setText("Wave " + (currentWave + 1) + "/" + waves.length);
+}
+startWave(0);
+// Main update loop
+game.update = function () {
+	if (!soulAlive) return;
+	// Wave logic
+	if (waveActive) {
+		var wave = waves[currentWave];
+		wave.spawnFunc(waveTime, bullets);
+		waveTime++;
+		// Update timer GUI
+		var tleft = Math.max(0, Math.ceil((wave.duration - waveTime) / 60));
+		timerTxt.setText("Time: " + tleft + "s");
+		// End wave?
+		if (waveTime >= wave.duration) {
+			waveActive = false;
+			// Remove all bullets after short delay
+			LK.setTimeout(function () {
+				for (var i = bullets.length - 1; i >= 0; --i) {
+					bullets[i].destroy();
+					bullets.splice(i, 1);
+				}
+				// Next wave or win
+				if (currentWave + 1 < waves.length) {
+					startWave(currentWave + 1);
+				} else {
+					// Win!
+					LK.showYouWin();
+				}
+			}, 600);
+		}
+	}
+	// Update bullets
+	for (var i = bullets.length - 1; i >= 0; --i) {
+		var b = bullets[i];
+		b.update();
+		// Remove if out of arena
+		if (b.x < ARENA_X - 60 || b.x > ARENA_X + ARENA_W + 60 || b.y < ARENA_Y - 60 || b.y > ARENA_Y + ARENA_H + 60) {
+			b.destroy();
+			bullets.splice(i, 1);
+			continue;
+		}
+		// Collision with soul
+		var dx = b.x - soul.x,
+			dy = b.y - soul.y;
+		if (dx * dx + dy * dy < 45 * 45) {
+			// Hit!
+			soul.flash();
+			soulAlive = false;
+			LK.effects.flashScreen(0xff0000, 800);
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 600);
+			break;
+		}
+	}
+};
+// Initial GUI text
+timerTxt.setText("Time: ");
+waveTxt.setText("Wave 1/" + waves.length);
\ No newline at end of file