Destroy 1000 air targets
Destroy 1000 ground targets
Complete the game on Terminal difficulty
Destroy every ground target on Episode 1
Destroy every ground target on Episode 2
Destroy every ground target on Episode 3
Destroy an enemy by running into it
Complete the game on Easy difficulty
Destroy 10 air targets
Destroy 10 ground targets
Defeat Episode 3 Final Boss
Run into the ground
Complete the game on Normal difficulty
Defeat Episode 1 Final Boss
Fly above the clouds
Defeat Episode 2 Final Boss
Run any tunnel without taking any damage
Destroy 100 air targets
Destroy 100 ground targets
Complete episode 1 without destroying any organic entities
Run any tunnel with afterburner on the entire time
Complete Episode 1 in less than 27 minutes
Complete Episode 2 in less than 31 minutes
Complete Episode 3 in less than 30 minutes
Complete Episode 1 without taking any damage
Complete Episode 2 without taking any damage
Complete Episode 3 without taking any damage
Complete the game on Hard difficulty
Destroy an enemy while flying upside down
Fly through every tunnel in the game
Pick up a powerup
