/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bullet = self.attachAsset('enemy_bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.lastY = 0;
	self.update = function () {
		self.lastY = self.y;
		self.y += self.speed;
	};
	return self;
});
var EnemyShip = Container.expand(function () {
	var self = Container.call(this);
	var shipBody = self.attachAsset('enemy_ship_body', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var shipNose = self.attachAsset('enemy_ship_nose', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipNose.y = 35;
	var shipWingLeft = self.attachAsset('enemy_ship_wing_left', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipWingLeft.x = -30;
	shipWingLeft.y = -5;
	var shipWingRight = self.attachAsset('enemy_ship_wing_right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipWingRight.x = 30;
	shipWingRight.y = -5;
	var shipCockpit = self.attachAsset('enemy_ship_cockpit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipCockpit.y = 10;
	var thrusterMain = self.attachAsset('enemy_thruster_main', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	thrusterMain.y = -40;
	thrusterMain.alpha = 0.7;
	var thrusterLeft = self.attachAsset('enemy_thruster_left', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	thrusterLeft.x = -20;
	thrusterLeft.y = -35;
	thrusterLeft.alpha = 0.6;
	var thrusterRight = self.attachAsset('enemy_thruster_right', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	thrusterRight.x = 20;
	thrusterRight.y = -35;
	thrusterRight.alpha = 0.6;
	self.speed = 3;
	self.health = 50;
	self.lastShootTime = 0;
	self.shootDelay = 300 + Math.random() * 200;
	self.directionX = Math.random() > 0.5 ? 1 : -1;
	self.update = function () {
		// Move down and side to side
		self.y += self.speed;
		self.x += self.directionX * 2;
		// Change direction at screen edges
		if (self.x <= 100 || self.x >= 1948) {
			self.directionX *= -1;
		}
		// Thruster effect
		thrusterMain.alpha = 0.4 + Math.random() * 0.4;
		thrusterLeft.alpha = 0.3 + Math.random() * 0.3;
		thrusterRight.alpha = 0.3 + Math.random() * 0.3;
		// Shoot randomly
		if (LK.ticks - self.lastShootTime > self.shootDelay) {
			var bullet = new EnemyBullet();
			bullet.x = self.x;
			bullet.y = self.y + 50;
			enemyBullets.push(bullet);
			game.addChild(bullet);
			self.lastShootTime = LK.ticks;
			self.shootDelay = 300 + Math.random() * 200;
		}
	};
	return self;
});
var ExplosionParticle = Container.expand(function () {
	var self = Container.call(this);
	var particle = self.attachAsset('explosion_particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = (Math.random() - 0.5) * 20;
	self.velocityY = (Math.random() - 0.5) * 20;
	self.life = 30;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.life--;
		self.alpha = self.life / 30;
		particle.scaleX = self.life / 30;
		particle.scaleY = self.life / 30;
	};
	return self;
});
var HealthPowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupBody = self.attachAsset('powerup_health', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var powerupCore = self.attachAsset('powerup_health_core', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.rotationSpeed = 0.1;
	self.pulseTimer = 0;
	self.type = 'health';
	self.healthAmount = 30;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
		self.pulseTimer += 0.2;
		var pulse = Math.sin(self.pulseTimer) * 0.3 + 0.7;
		powerupBody.alpha = pulse;
		powerupCore.alpha = pulse + 0.3;
	};
	return self;
});
var PlayerBullet = Container.expand(function () {
	var self = Container.call(this);
	var bullet = self.attachAsset('player_bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -12;
	self.lastY = 0;
	self.update = function () {
		self.lastY = self.y;
		self.y += self.speed;
	};
	return self;
});
var PlayerShip = Container.expand(function () {
	var self = Container.call(this);
	var shipBody = self.attachAsset('player_ship_body', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var shipNose = self.attachAsset('player_ship_nose', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipNose.y = -45;
	var shipWingLeft = self.attachAsset('player_ship_wing_left', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipWingLeft.x = -35;
	shipWingLeft.y = 10;
	var shipWingRight = self.attachAsset('player_ship_wing_right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipWingRight.x = 35;
	shipWingRight.y = 10;
	var shipCockpit = self.attachAsset('player_ship_cockpit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shipCockpit.y = -15;
	var thrusterMain = self.attachAsset('player_thruster_main', {
		anchorX: 0.5,
		anchorY: 0
	});
	thrusterMain.y = 50;
	thrusterMain.alpha = 0.8;
	var thrusterLeft = self.attachAsset('player_thruster_left', {
		anchorX: 0.5,
		anchorY: 0
	});
	thrusterLeft.x = -25;
	thrusterLeft.y = 45;
	thrusterLeft.alpha = 0.7;
	var thrusterRight = self.attachAsset('player_thruster_right', {
		anchorX: 0.5,
		anchorY: 0
	});
	thrusterRight.x = 25;
	thrusterRight.y = 45;
	thrusterRight.alpha = 0.7;
	self.speed = 8;
	self.health = 100;
	self.lastShootTime = 0;
	self.shootDelay = 100;
	self.shotsPerBurst = 1;
	self.activateRapidFire = function () {
		self.shootDelay = 30;
		self.shotsPerBurst = 3;
		rapidFireActive = true;
		rapidFireEndTime = LK.ticks + 600;
	};
	self.deactivateRapidFire = function () {
		self.shootDelay = originalShootDelay;
		self.shotsPerBurst = 1;
		rapidFireActive = false;
	};
	self.update = function () {
		// Keep ship on screen
		if (self.x < 40) self.x = 40;
		if (self.x > 2008) self.x = 2008;
		if (self.y < 100) self.y = 100;
		if (self.y > 2632) self.y = 2632;
		// Thruster effect
		thrusterMain.alpha = 0.5 + Math.random() * 0.5;
		thrusterLeft.alpha = 0.4 + Math.random() * 0.4;
		thrusterRight.alpha = 0.4 + Math.random() * 0.4;
	};
	self.shoot = function () {
		if (LK.ticks - self.lastShootTime > self.shootDelay) {
			for (var s = 0; s < self.shotsPerBurst; s++) {
				var bullet = new PlayerBullet();
				bullet.x = self.x + (s - Math.floor(self.shotsPerBurst / 2)) * 25;
				bullet.y = self.y - 60;
				playerBullets.push(bullet);
				game.addChild(bullet);
			}
			self.lastShootTime = LK.ticks;
			LK.getSound('shoot').play();
		}
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupBody = self.attachAsset('powerup_rapid_fire', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var powerupCore = self.attachAsset('powerup_core', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.rotationSpeed = 0.1;
	self.pulseTimer = 0;
	self.type = 'rapidfire';
	self.shotsPerBurst = 3;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
		self.pulseTimer += 0.2;
		var pulse = Math.sin(self.pulseTimer) * 0.3 + 0.7;
		powerupBody.alpha = pulse;
		powerupCore.alpha = pulse + 0.3;
	};
	return self;
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var star = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	star.alpha = 0.5 + Math.random() * 0.5;
	self.speed = 2 + Math.random() * 3;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2800) {
			self.y = -50;
			self.x = Math.random() * 2048;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000011
});

/**** 
* Game Code
****/ 
var player;
var enemies = [];
var playerBullets = [];
var enemyBullets = [];
var stars = [];
var explosions = [];
var powerUps = [];
var scoreTxt;
var healthTxt;
var isDragging = false;
var dragStartX = 0;
var dragStartY = 0;
var enemySpawnTimer = 0;
var powerUpSpawnTimer = 0;
var waveNumber = 1;
var enemiesPerWave = 3;
var rapidFireActive = false;
var rapidFireEndTime = 0;
var originalShootDelay = 100;
var difficultyLevel = 1;
var lastDifficultyScore = 0;
var lastHealthBonusScore = 0;
// Create starfield background
for (var i = 0; i < 50; i++) {
	var star = new Star();
	star.x = Math.random() * 2048;
	star.y = Math.random() * 2732;
	stars.push(star);
	game.addChild(star);
}
// Create player ship
player = new PlayerShip();
player.x = 1024;
player.y = 2200;
game.addChild(player);
// Create UI
scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.setText('Score: ' + LK.getScore());
LK.gui.top.addChild(scoreTxt);
healthTxt = new Text2('Health: 100', {
	size: 50,
	fill: 0x00FF00
});
healthTxt.anchor.set(0, 0);
healthTxt.x = 120;
healthTxt.y = 20;
LK.gui.topLeft.addChild(healthTxt);
// Touch controls
game.down = function (x, y, obj) {
	isDragging = true;
	dragStartX = x;
	dragStartY = y;
	player.shoot();
};
game.move = function (x, y, obj) {
	if (isDragging) {
		player.x = x;
		player.y = y;
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.update = function () {
	// Check rapid fire duration
	if (rapidFireActive && LK.ticks >= rapidFireEndTime) {
		player.deactivateRapidFire();
	}
	// Spawn enemies
	enemySpawnTimer++;
	var spawnRate = superChallengeMode ? 30 : 120; // Much faster spawning after 500 score
	if (enemySpawnTimer >= spawnRate) {
		var maxEnemies = superChallengeMode ? enemiesPerWave * 3 : enemiesPerWave; // Allow 3x more enemies
		if (enemies.length < maxEnemies) {
			var enemy = new EnemyShip();
			enemy.x = Math.random() * 1800 + 100;
			enemy.y = -50;
			// Apply difficulty scaling
			if (superChallengeMode) {
				// Super challenging mode: extremely fast, tanky enemies with rapid fire
				enemy.speed = 8 + (difficultyLevel - 1) * 1.5;
				enemy.health = 150 + (difficultyLevel - 1) * 25;
				enemy.shootDelay = Math.max(50, 80 - (difficultyLevel - 1) * 10);
			} else {
				enemy.speed = 3 + (difficultyLevel - 1) * 0.5;
				enemy.health = 50 + (difficultyLevel - 1) * 10;
				enemy.shootDelay = Math.max(100, 300 - (difficultyLevel - 1) * 30);
			}
			enemies.push(enemy);
			game.addChild(enemy);
		}
		enemySpawnTimer = 0;
	}
	// Spawn power-ups
	powerUpSpawnTimer++;
	if (powerUpSpawnTimer >= 900) {
		if (Math.random() < 0.7) {
			var powerUp = new PowerUp();
			powerUp.x = Math.random() * 1800 + 100;
			powerUp.y = -50;
			powerUps.push(powerUp);
			game.addChild(powerUp);
		}
		powerUpSpawnTimer = 0;
	}
	// Spawn health bonus every 250 score
	if (currentScore >= lastHealthBonusScore + 250) {
		var healthPowerUp = new HealthPowerUp();
		healthPowerUp.x = Math.random() * 1800 + 100;
		healthPowerUp.y = -50;
		powerUps.push(healthPowerUp);
		game.addChild(healthPowerUp);
		lastHealthBonusScore = Math.floor(currentScore / 250) * 250;
	}
	// Update player bullets
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		var bullet = playerBullets[i];
		if (bullet.lastY >= -50 && bullet.y < -50) {
			bullet.destroy();
			playerBullets.splice(i, 1);
			continue;
		}
		bullet.lastY = bullet.y;
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var bullet = enemyBullets[i];
		if (bullet.lastY <= 2800 && bullet.y > 2800) {
			bullet.destroy();
			enemyBullets.splice(i, 1);
			continue;
		}
		bullet.lastY = bullet.y;
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.y > 2800) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
	}
	// Update explosions
	for (var i = explosions.length - 1; i >= 0; i--) {
		var explosion = explosions[i];
		if (explosion.life <= 0) {
			explosion.destroy();
			explosions.splice(i, 1);
		}
	}
	// Update power-ups
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerUp = powerUps[i];
		if (powerUp.y > 2800) {
			powerUp.destroy();
			powerUps.splice(i, 1);
			continue;
		}
		// Check collision with player
		if (powerUp.intersects(player)) {
			if (powerUp.type === 'rapidfire') {
				player.activateRapidFire();
			} else if (powerUp.type === 'health') {
				player.health = Math.min(player.health + powerUp.healthAmount, 100);
				healthTxt.setText('Health: ' + player.health);
				if (player.health > 30) {
					healthTxt.tint = 0x00FF00;
				}
			}
			LK.getSound('powerup').play();
			powerUp.destroy();
			powerUps.splice(i, 1);
		}
	}
	// Check player bullet vs enemy collisions
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		var bullet = playerBullets[i];
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Create explosion
				for (var k = 0; k < 8; k++) {
					var particle = new ExplosionParticle();
					particle.x = enemy.x;
					particle.y = enemy.y;
					explosions.push(particle);
					game.addChild(particle);
				}
				LK.setScore(LK.getScore() + 10);
				LK.getSound('explosion').play();
				bullet.destroy();
				playerBullets.splice(i, 1);
				enemy.destroy();
				enemies.splice(j, 1);
				break;
			}
		}
	}
	// Check enemy bullet vs player collisions
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var bullet = enemyBullets[i];
		if (bullet.intersects(player)) {
			player.health -= 10;
			healthTxt.setText('Health: ' + player.health);
			if (player.health <= 0) {
				healthTxt.tint = 0xFF0000;
			} else if (player.health <= 30) {
				healthTxt.tint = 0xFFFF00;
			}
			LK.getSound('hit').play();
			bullet.destroy();
			enemyBullets.splice(i, 1);
			if (player.health <= 0) {
				LK.showGameOver();
			}
		}
	}
	// Check enemy vs player collisions
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.intersects(player)) {
			player.health -= 20;
			healthTxt.setText('Health: ' + player.health);
			if (player.health <= 0) {
				healthTxt.tint = 0xFF0000;
			} else if (player.health <= 30) {
				healthTxt.tint = 0xFFFF00;
			}
			LK.getSound('hit').play();
			enemy.destroy();
			enemies.splice(i, 1);
			if (player.health <= 0) {
				LK.showGameOver();
			}
		}
	}
	// Update difficulty level every 150 points
	var currentScore = LK.getScore();
	if (currentScore >= lastDifficultyScore + 150) {
		difficultyLevel++;
		lastDifficultyScore = Math.floor(currentScore / 150) * 150;
	}
	// Super challenging mode after 500 score
	var superChallengeMode = currentScore >= 500;
	// Check for wave completion
	if (enemies.length === 0 && enemySpawnTimer >= 120) {
		waveNumber++;
		enemiesPerWave = Math.min(waveNumber + 2, 8);
		// Restore some health on wave completion
		player.health = Math.min(player.health + 20, 100);
		healthTxt.setText('Health: ' + player.health);
		if (player.health > 30) {
			healthTxt.tint = 0x00FF00;
		}
	}
	// Win condition
	if (LK.getScore() >= 100000) {
		LK.showYouWin();
	}
	// Update score display
	scoreTxt.setText('Score: ' + LK.getScore());
};

===================================================================
--- original.js
+++ change.js
@@ -559,9 +559,9 @@
 			healthTxt.tint = 0x00FF00;
 		}
 	}
 	// Win condition
-	if (LK.getScore() >= 500) {
+	if (LK.getScore() >= 100000) {
 		LK.showYouWin();
 	}
 	// Update score display
 	scoreTxt.setText('Score: ' + LK.getScore());