===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,793 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var Bullet = Container.expand(function (x, y, velocityX, velocityY) {
+	var self = Container.call(this);
+	self.velocityX = velocityX;
+	self.velocityY = velocityY;
+	self.damage = 30;
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = x;
+	self.y = y;
+	self.update = function () {
+		self.x += self.velocityX;
+		self.y += self.velocityY;
+		// Check collision with stickmen
+		for (var i = 0; i < stickmen.length; i++) {
+			var stickman = stickmen[i];
+			if (stickman.isDead) continue;
+			var distance = Math.sqrt(Math.pow(stickman.x - self.x, 2) + Math.pow(stickman.y - self.y, 2));
+			if (distance < 40) {
+				stickman.takeDamage(self.damage, {
+					x: self.x,
+					y: self.y
+				});
+				self.destroy();
+				// Remove from bullets array
+				var index = bullets.indexOf(self);
+				if (index > -1) {
+					bullets.splice(index, 1);
+				}
+				return;
+			}
+		}
+		// Remove if out of bounds
+		if (self.x < -100 || self.x > 2148 || self.y > 2832) {
+			self.destroy();
+			var index = bullets.indexOf(self);
+			if (index > -1) {
+				bullets.splice(index, 1);
+			}
+		}
+	};
+	return self;
+});
+var ControlStick = Container.expand(function (x, y) {
+	var self = Container.call(this);
+	self.baseX = x;
+	self.baseY = y;
+	self.active = false;
+	self.inputX = 0;
+	self.inputY = 0;
+	var base = self.attachAsset('joystickBase', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.6
+	});
+	var knob = self.attachAsset('joystickKnob', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.8
+	});
+	self.x = x;
+	self.y = y;
+	self.updateInput = function (touchX, touchY) {
+		if (!self.active) return;
+		var deltaX = touchX - self.x;
+		var deltaY = touchY - self.y;
+		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+		var maxDistance = 50;
+		if (distance > maxDistance) {
+			deltaX = deltaX / distance * maxDistance;
+			deltaY = deltaY / distance * maxDistance;
+		}
+		knob.x = deltaX;
+		knob.y = deltaY;
+		self.inputX = deltaX / maxDistance;
+		self.inputY = deltaY / maxDistance;
+	};
+	self.reset = function () {
+		self.active = false;
+		knob.x = 0;
+		knob.y = 0;
+		self.inputX = 0;
+		self.inputY = 0;
+	};
+	return self;
+});
+var Stickman = Container.expand(function (x, y, color, isAI) {
+	var self = Container.call(this);
+	// Properties
+	self.isAI = isAI || false;
+	self.health = 100;
+	self.maxHealth = 100;
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.grounded = false;
+	self.weapon = null;
+	self.weaponType = 'none';
+	self.facingRight = true;
+	self.attackCooldown = 0;
+	self.specialCooldown = 0;
+	self.isDead = false;
+	self.ragdollMode = false;
+	// Physics properties
+	self.mass = 1;
+	self.friction = 0.85;
+	self.jumpPower = 15;
+	self.moveSpeed = 5;
+	// Create body parts
+	self.head = self.attachAsset('stickmanHead', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 0,
+		y: -60,
+		tint: color || 0xFFFFFF
+	});
+	self.body = self.attachAsset('stickmanBody', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 0,
+		y: -20,
+		tint: color || 0xFFFFFF
+	});
+	self.leftArm = self.attachAsset('stickmanArm', {
+		anchorX: 0.5,
+		anchorY: 0.1,
+		x: -15,
+		y: -40,
+		tint: color || 0xFFFFFF
+	});
+	self.rightArm = self.attachAsset('stickmanArm', {
+		anchorX: 0.5,
+		anchorY: 0.1,
+		x: 15,
+		y: -40,
+		tint: color || 0xFFFFFF
+	});
+	self.leftLeg = self.attachAsset('stickmanLeg', {
+		anchorX: 0.5,
+		anchorY: 0.1,
+		x: -10,
+		y: 20,
+		tint: color || 0xFFFFFF
+	});
+	self.rightLeg = self.attachAsset('stickmanLeg', {
+		anchorX: 0.5,
+		anchorY: 0.1,
+		x: 10,
+		y: 20,
+		tint: color || 0xFFFFFF
+	});
+	// Position
+	self.x = x || 0;
+	self.y = y || 0;
+	// Movement methods
+	self.move = function (direction) {
+		if (self.isDead || self.ragdollMode) return;
+		self.velocityX += direction * 0.8;
+		self.facingRight = direction > 0;
+		// Animation
+		if (direction !== 0) {
+			self.animateWalk();
+		}
+	};
+	self.jump = function () {
+		if (self.isDead || self.ragdollMode || !self.grounded) return;
+		self.velocityY = -self.jumpPower;
+		self.grounded = false;
+	};
+	self.attack = function () {
+		if (self.isDead || self.ragdollMode || self.attackCooldown > 0) return;
+		self.attackCooldown = 30;
+		if (self.weaponType === 'sword' || self.weaponType === 'spear') {
+			self.meleeAttack();
+		} else if (self.weaponType === 'gun') {
+			self.shootBullet();
+		} else if (self.weaponType === 'laser') {
+			self.fireLaser();
+		} else {
+			self.punchAttack();
+		}
+	};
+	self.meleeAttack = function () {
+		var swingAngle = self.facingRight ? -Math.PI / 4 : Math.PI / 4;
+		if (self.weapon) {
+			tween(self.weapon, {
+				rotation: swingAngle
+			}, {
+				duration: 200,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					tween(self.weapon, {
+						rotation: 0
+					}, {
+						duration: 300
+					});
+				}
+			});
+		}
+		LK.getSound('swordHit').play();
+		// Check for hits
+		self.checkMeleeHit();
+	};
+	self.shootBullet = function () {
+		var bullet = new Bullet(self.x + (self.facingRight ? 30 : -30), self.y - 40, self.facingRight ? 15 : -15, -2);
+		game.addChild(bullet);
+		bullets.push(bullet);
+		LK.getSound('gunShot').play();
+	};
+	self.fireLaser = function () {
+		var laser = self.attachAsset('laserBeam', {
+			anchorX: 0,
+			anchorY: 0.5,
+			x: self.facingRight ? 30 : -430,
+			y: -40,
+			alpha: 0.8
+		});
+		// Laser damage check
+		self.checkLaserHit();
+		LK.getSound('laserFire').play();
+		// Remove laser after short duration
+		LK.setTimeout(function () {
+			if (laser.parent) {
+				laser.parent.removeChild(laser);
+			}
+		}, 200);
+	};
+	self.punchAttack = function () {
+		var arm = self.facingRight ? self.rightArm : self.leftArm;
+		var originalX = arm.x;
+		tween(arm, {
+			x: originalX + (self.facingRight ? 20 : -20)
+		}, {
+			duration: 150,
+			onFinish: function onFinish() {
+				tween(arm, {
+					x: originalX
+				}, {
+					duration: 200
+				});
+			}
+		});
+		self.checkMeleeHit();
+	};
+	self.checkMeleeHit = function () {
+		var attackRange = 80;
+		var attackX = self.x + (self.facingRight ? attackRange / 2 : -attackRange / 2);
+		for (var i = 0; i < stickmen.length; i++) {
+			var target = stickmen[i];
+			if (target === self || target.isDead) continue;
+			var distance = Math.abs(target.x - attackX);
+			var verticalDistance = Math.abs(target.y - self.y);
+			if (distance < attackRange && verticalDistance < 100) {
+				var damage = self.weaponType === 'spear' ? 40 : self.weaponType === 'sword' ? 35 : 25;
+				target.takeDamage(damage, self);
+				break;
+			}
+		}
+	};
+	self.checkLaserHit = function () {
+		for (var i = 0; i < stickmen.length; i++) {
+			var target = stickmen[i];
+			if (target === self || target.isDead) continue;
+			var inLaserPath = self.facingRight ? target.x > self.x && target.x < self.x + 400 : target.x < self.x && target.x > self.x - 400;
+			var verticalDistance = Math.abs(target.y - self.y);
+			if (inLaserPath && verticalDistance < 50) {
+				target.takeDamage(50, self);
+			}
+		}
+	};
+	self.takeDamage = function (damage, attacker) {
+		if (self.isDead) return;
+		self.health -= damage;
+		// Knockback
+		var knockbackForce = 8;
+		var direction = attacker.x < self.x ? 1 : -1;
+		self.velocityX += direction * knockbackForce;
+		self.velocityY -= 5;
+		// Flash red
+		LK.effects.flashObject(self, 0xFF0000, 300);
+		if (self.health <= 0) {
+			self.die();
+		}
+	};
+	self.die = function () {
+		self.isDead = true;
+		self.ragdollMode = true;
+		// Drop weapon
+		if (self.weapon) {
+			self.dropWeapon();
+		}
+		LK.getSound('death').play();
+		// Slow motion effect
+		gameSpeed = 0.3;
+		LK.setTimeout(function () {
+			gameSpeed = 1.0;
+		}, 1000);
+		// Update score if player died
+		if (!self.isAI) {
+			// Game over logic handled by main game
+		} else {
+			LK.setScore(LK.getScore() + 100);
+		}
+	};
+	self.pickupWeapon = function (weaponType) {
+		self.dropWeapon();
+		var weaponAsset = weaponType;
+		self.weapon = self.attachAsset(weaponAsset, {
+			anchorX: 0.5,
+			anchorY: 0.9,
+			x: self.facingRight ? 20 : -20,
+			y: -30
+		});
+		self.weaponType = weaponType;
+		LK.getSound('weaponPickup').play();
+	};
+	self.dropWeapon = function () {
+		if (self.weapon) {
+			// Create weapon drop
+			var weaponDrop = new WeaponDrop(self.x, self.y - 40, self.weaponType);
+			game.addChild(weaponDrop);
+			weaponDrops.push(weaponDrop);
+			self.removeChild(self.weapon);
+			self.weapon = null;
+			self.weaponType = 'none';
+		}
+	};
+	self.animateWalk = function () {
+		if (LK.ticks % 10 === 0) {
+			var legSwing = Math.sin(LK.ticks * 0.2) * 0.2;
+			self.leftLeg.rotation = legSwing;
+			self.rightLeg.rotation = -legSwing;
+			var armSwing = Math.sin(LK.ticks * 0.2) * 0.15;
+			self.leftArm.rotation = -armSwing;
+			self.rightArm.rotation = armSwing;
+		}
+	};
+	self.updatePhysics = function () {
+		// Apply gravity
+		if (!self.grounded) {
+			self.velocityY += gravity * gameSpeed;
+		}
+		// Apply friction
+		self.velocityX *= self.friction;
+		// Update position
+		self.x += self.velocityX * gameSpeed;
+		self.y += self.velocityY * gameSpeed;
+		// Ground collision
+		if (self.y > groundY - 50) {
+			self.y = groundY - 50;
+			self.velocityY = 0;
+			self.grounded = true;
+		}
+		// Boundary collision
+		if (self.x < 50) {
+			self.x = 50;
+			self.velocityX = 0;
+		}
+		if (self.x > 1998) {
+			self.x = 1998;
+			self.velocityX = 0;
+		}
+		// Update weapon position
+		if (self.weapon) {
+			self.weapon.x = self.facingRight ? 20 : -20;
+			if (!self.facingRight) {
+				self.weapon.scaleX = -1;
+			} else {
+				self.weapon.scaleX = 1;
+			}
+		}
+		// Update cooldowns
+		if (self.attackCooldown > 0) self.attackCooldown--;
+		if (self.specialCooldown > 0) self.specialCooldown--;
+	};
+	self.updateAI = function () {
+		if (self.isDead || self.ragdollMode || !self.isAI) return;
+		// Find nearest enemy (player)
+		var target = null;
+		var minDistance = Infinity;
+		for (var i = 0; i < stickmen.length; i++) {
+			var enemy = stickmen[i];
+			if (enemy === self || enemy.isDead || enemy.isAI) continue;
+			var distance = Math.abs(enemy.x - self.x);
+			if (distance < minDistance) {
+				minDistance = distance;
+				target = enemy;
+			}
+		}
+		if (!target) return;
+		var distance = Math.abs(target.x - self.x);
+		var direction = target.x > self.x ? 1 : -1;
+		// AI Behavior
+		if (distance > 100) {
+			// Move towards target
+			self.move(direction * 0.7);
+		} else if (distance < 50) {
+			// Too close, back away sometimes
+			if (Math.random() < 0.3) {
+				self.move(-direction * 0.5);
+			}
+		}
+		// Attack when in range
+		if (distance < 90 && Math.random() < 0.1) {
+			self.attack();
+		}
+		// Jump randomly or when stuck
+		if (Math.random() < 0.02 || Math.abs(self.velocityX) < 0.1 && distance > 80) {
+			self.jump();
+		}
+		// Pick up weapons
+		for (var j = 0; j < weaponDrops.length; j++) {
+			var weapon = weaponDrops[j];
+			var weaponDistance = Math.abs(weapon.x - self.x);
+			if (weaponDistance < 60 && !self.weapon) {
+				weapon.pickup(self);
+				break;
+			}
+		}
+	};
+	self.update = function () {
+		self.updatePhysics();
+		self.updateAI();
+	};
+	return self;
+});
+var WeaponDrop = Container.expand(function (x, y, weaponType) {
+	var self = Container.call(this);
+	self.weaponType = weaponType;
+	self.pickupTimer = 0;
+	var weaponGraphics = self.attachAsset(weaponType, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = x;
+	self.y = y;
+	self.pickup = function (stickman) {
+		stickman.pickupWeapon(self.weaponType);
+		self.destroy();
+		var index = weaponDrops.indexOf(self);
+		if (index > -1) {
+			weaponDrops.splice(index, 1);
+		}
+	};
+	self.update = function () {
+		// Floating animation
+		self.y += Math.sin(LK.ticks * 0.1) * 0.5;
+		// Auto-pickup timer
+		self.pickupTimer++;
+		if (self.pickupTimer > 600) {
+			// 10 seconds
+			self.destroy();
+			var index = weaponDrops.indexOf(self);
+			if (index > -1) {
+				weaponDrops.splice(index, 1);
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Sounds
+// UI Elements
+// Environment
+// Weapons
+// Stickman body parts
+// Game variables
+var stickmen = [];
+var bullets = [];
+var weaponDrops = [];
+var platforms = [];
+var hazards = [];
+// Physics constants
+var gravity = 0.8;
+var groundY = 2600;
+var gameSpeed = 1.0;
+// Game state
+var gameMode = 'single'; // 'single', 'multiplayer', 'survival'
+var currentWave = 1;
+var enemiesSpawned = 0;
+var maxEnemies = 2;
+// Weapon spawn timer
+var weaponSpawnTimer = 0;
+var weaponSpawnInterval = 600; // 10 seconds at 60fps
+// Controls
+var joystick;
+var attackButton;
+var specialButton;
+var dragNode = null;
+// Create ground
+var ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 1024,
+	y: groundY
+}));
+// Create platforms
+var platform1 = game.addChild(LK.getAsset('platform', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 512,
+	y: groundY - 200
+}));
+platforms.push(platform1);
+var platform2 = game.addChild(LK.getAsset('platform', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 1536,
+	y: groundY - 300
+}));
+platforms.push(platform2);
+// Create environmental hazards
+var lava1 = game.addChild(LK.getAsset('lava', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 800,
+	y: groundY
+}));
+hazards.push({
+	obj: lava1,
+	type: 'lava'
+});
+var spike1 = game.addChild(LK.getAsset('spike', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 1200,
+	y: groundY - 60
+}));
+hazards.push({
+	obj: spike1,
+	type: 'spike'
+});
+// Create player
+var player = new Stickman(300, groundY - 100, 0x00FF00, false);
+game.addChild(player);
+stickmen.push(player);
+// Create initial enemies
+for (var i = 0; i < maxEnemies; i++) {
+	var enemy = new Stickman(1500 + i * 100, groundY - 100, 0xFF0000, true);
+	game.addChild(enemy);
+	stickmen.push(enemy);
+	enemiesSpawned++;
+}
+// Create controls
+joystick = new ControlStick(150, 2550);
+LK.gui.bottomLeft.addChild(joystick);
+attackButton = LK.gui.bottomRight.addChild(LK.getAsset('attackButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: -150,
+	y: -150,
+	alpha: 0.7
+}));
+specialButton = LK.gui.bottomRight.addChild(LK.getAsset('specialButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: -150,
+	y: -280,
+	alpha: 0.7
+}));
+// Health bar
+var healthBarBg = LK.gui.topLeft.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 120,
+	y: 50,
+	width: 200,
+	height: 20,
+	tint: 0x333333
+}));
+var healthBar = LK.gui.topLeft.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 120,
+	y: 50,
+	width: 200,
+	height: 20,
+	tint: 0x00FF00
+}));
+// Score display
+var scoreText = new Text2('Score: 0', {
+	size: 40,
+	fill: '#FFFFFF'
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+// Wave display
+var waveText = new Text2('Wave: 1', {
+	size: 35,
+	fill: '#FFFF00'
+});
+waveText.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveText);
+// Control handlers
+game.down = function (x, y, obj) {
+	var localPos = joystick.parent.toLocal(obj.parent.toGlobal({
+		x: x,
+		y: y
+	}));
+	var distance = Math.sqrt(Math.pow(localPos.x - joystick.x, 2) + Math.pow(localPos.y - joystick.y, 2));
+	if (distance < 80) {
+		joystick.active = true;
+		joystick.updateInput(localPos.x, localPos.y);
+		dragNode = 'joystick';
+	}
+	// Check attack button
+	var attackPos = attackButton.parent.toLocal(obj.parent.toGlobal({
+		x: x,
+		y: y
+	}));
+	var attackDistance = Math.sqrt(Math.pow(attackPos.x - attackButton.x, 2) + Math.pow(attackPos.y - attackButton.y, 2));
+	if (attackDistance < 60) {
+		player.attack();
+	}
+	// Check special button
+	var specialPos = specialButton.parent.toLocal(obj.parent.toGlobal({
+		x: x,
+		y: y
+	}));
+	var specialDistance = Math.sqrt(Math.pow(specialPos.x - specialButton.x, 2) + Math.pow(specialPos.y - specialButton.y, 2));
+	if (specialDistance < 50 && player.specialCooldown === 0) {
+		player.jump();
+		player.specialCooldown = 120; // 2 second cooldown
+	}
+};
+game.move = function (x, y, obj) {
+	if (dragNode === 'joystick') {
+		var localPos = joystick.parent.toLocal(obj.parent.toGlobal({
+			x: x,
+			y: y
+		}));
+		joystick.updateInput(localPos.x, localPos.y);
+	}
+};
+game.up = function (x, y, obj) {
+	if (dragNode === 'joystick') {
+		joystick.reset();
+	}
+	dragNode = null;
+};
+// Spawn random weapon
+function spawnRandomWeapon() {
+	var weaponTypes = ['sword', 'spear', 'gun', 'laser'];
+	var randomType = weaponTypes[Math.floor(Math.random() * weaponTypes.length)];
+	var randomX = 200 + Math.random() * 1648;
+	var weaponDrop = new WeaponDrop(randomX, groundY - 200, randomType);
+	game.addChild(weaponDrop);
+	weaponDrops.push(weaponDrop);
+}
+// Check hazard collisions
+function checkHazardCollisions() {
+	for (var i = 0; i < stickmen.length; i++) {
+		var stickman = stickmen[i];
+		if (stickman.isDead) continue;
+		for (var j = 0; j < hazards.length; j++) {
+			var hazard = hazards[j];
+			var distance = Math.abs(stickman.x - hazard.obj.x);
+			if (distance < 60 && Math.abs(stickman.y - hazard.obj.y) < 60) {
+				if (hazard.type === 'lava') {
+					stickman.takeDamage(5, {
+						x: hazard.obj.x,
+						y: hazard.obj.y
+					});
+				} else if (hazard.type === 'spike') {
+					stickman.takeDamage(20, {
+						x: hazard.obj.x,
+						y: hazard.obj.y
+					});
+				}
+			}
+		}
+	}
+}
+// Spawn new enemies
+function spawnEnemies() {
+	var aliveEnemies = 0;
+	for (var i = 0; i < stickmen.length; i++) {
+		if (stickmen[i].isAI && !stickmen[i].isDead) {
+			aliveEnemies++;
+		}
+	}
+	if (aliveEnemies === 0) {
+		// Next wave
+		currentWave++;
+		maxEnemies = Math.min(2 + Math.floor(currentWave / 2), 6);
+		for (var j = 0; j < maxEnemies; j++) {
+			var spawnX = Math.random() < 0.5 ? 100 : 1900;
+			var enemy = new Stickman(spawnX, groundY - 100, 0xFF0000, true);
+			// Give some enemies weapons based on wave
+			if (currentWave > 2 && Math.random() < 0.4) {
+				var weaponTypes = ['sword', 'spear'];
+				if (currentWave > 4) weaponTypes.push('gun');
+				if (currentWave > 6) weaponTypes.push('laser');
+				var randomWeapon = weaponTypes[Math.floor(Math.random() * weaponTypes.length)];
+				enemy.pickupWeapon(randomWeapon);
+			}
+			game.addChild(enemy);
+			stickmen.push(enemy);
+		}
+		waveText.setText('Wave: ' + currentWave);
+	}
+}
+// Main game loop
+game.update = function () {
+	// Apply game speed (for slow motion effects)
+	if (gameSpeed < 1.0) {
+		gameSpeed = Math.min(gameSpeed + 0.02, 1.0);
+	}
+	// Update player movement from joystick
+	if (joystick.active && !player.isDead) {
+		if (Math.abs(joystick.inputX) > 0.2) {
+			player.move(joystick.inputX);
+		}
+	}
+	// Update all stickmen
+	for (var i = stickmen.length - 1; i >= 0; i--) {
+		var stickman = stickmen[i];
+		if (stickman.isDead && stickman.ragdollMode) {
+			// Remove dead stickmen after some time
+			if (LK.ticks % 600 === 0) {
+				// 10 seconds
+				stickman.destroy();
+				stickmen.splice(i, 1);
+			}
+		}
+	}
+	// Update bullets
+	for (var j = bullets.length - 1; j >= 0; j--) {
+		// Bullet update is handled in bullet class
+	}
+	// Update weapon drops
+	for (var k = weaponDrops.length - 1; k >= 0; k--) {
+		var weaponDrop = weaponDrops[k];
+		// Check player pickup
+		var distance = Math.abs(player.x - weaponDrop.x);
+		if (distance < 60 && Math.abs(player.y - weaponDrop.y) < 60 && !player.weapon) {
+			weaponDrop.pickup(player);
+		}
+	}
+	// Spawn weapons periodically
+	weaponSpawnTimer++;
+	if (weaponSpawnTimer >= weaponSpawnInterval) {
+		spawnRandomWeapon();
+		weaponSpawnTimer = 0;
+	}
+	// Check hazard collisions
+	checkHazardCollisions();
+	// Spawn new enemies
+	if (gameMode === 'single') {
+		spawnEnemies();
+	}
+	// Update UI
+	scoreText.setText('Score: ' + LK.getScore());
+	// Update health bar
+	var healthPercent = Math.max(0, player.health / player.maxHealth);
+	healthBar.width = 200 * healthPercent;
+	if (healthPercent > 0.6) {
+		healthBar.tint = 0x00FF00;
+	} else if (healthPercent > 0.3) {
+		healthBar.tint = 0xFFFF00;
+	} else {
+		healthBar.tint = 0xFF0000;
+	}
+	// Game over check
+	if (player.isDead) {
+		LK.showGameOver();
+	}
+	// Camera follow player (simple implementation)
+	var targetX = -player.x + 1024;
+	targetX = Math.max(-500, Math.min(500, targetX));
+	game.x += (targetX - game.x) * 0.05;
+};
+// Start background music
+LK.playMusic('battleMusic');
\ No newline at end of file