Steam achievements:
ACHIEVEMENT – HOW TO UNLOCK
Ace Pilot – Complete any stage over 5 without hitting anything.
Air Ambulance – Rescue 100 scientists.
All Sectors Clear – Complete the entire game.
Destruction – Destroy 250 enemies.
HeatSeeker – Guide a missile into an enemy.
Hot Shot – High shots fired to kill ratio. Must destroy at least 20 enemies.
Pacifist – Complete any stage over 5 without destroying any enemies.
Pyro – Destroy 20 fuel pods.
Reflector – Destroy an enemy with a reflection.
Speed Run – Complete any stage over 5 in under 1 minute.
in PC Cheats