Complete the cavern

Complete all missions

Complete the city and plant the bomb

Complete a level without taking damage

Beat a level without picking up any weapons

Complete the volcano

Destroy 200 Chargers

Destroy 150 Drones

Destroy 175 Kamikazes

Destroy 300 Mines

Destroy 200 Shooters

Destroy 1000 terrain pieces

Destroy 240 Twin Lasers

Drop for 10 seconds without shooting

Use all weapons once