Controls:
WASD / Arrow Keys - Move
Mouse - Aim
Click - Shoot
P - Pause Game
Available Guns (press number):
1. Basic Gun (Level 1)
2. Laser Gun (Level 3)
3. Shotgun (Level 5)
4. Minigun (Level 7)
5. Sniper Rifle (Level 10)
6. Plasma Cannon (Level 15)
Power-ups:
Rapid Fire
Invincibility
Super Damage
Health Boost
Speed Boost
Energy Shield