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.