Use WASD or arrow keys to move
Press SPACE to switch weapons: 🔫 Bullets, ⚔️ Sword (always), 💣 Grenades (level 20+), 🚀 Missiles (level 40+)
Use virtual joystick to move, tap button to switch weapons (auto-shoot enabled)
Collect powerups: ⇈ (Multi-Shot), ⚡ (Rapid Fire), 🛡️ (Invincibility), ❄️ (Freeze), ❤️ (Extra Life), 💣 (Bomb)