Destroy 1000 air targets

Destroy 1000 ground targets

Complete the game on Terminal difficulty

Clear all ground targets on level 1-1

Clear all ground targets on level 4-1

Clear all ground targets on level 7-1

Destroy an enemy by running into it

Complete the game on Easy difficulty

Destroy 10 air targets

Destroy 10 ground targets

Defeat Episode 3 Boss

Run into the ground

Complete the game on Normal difficulty

Defeat Episode 1 Boss

Fly above the clouds

Defeat Episode 2 Boss

Run any tunnel without taking any damage

Destroy 100 air targets

Destroy 100 ground targets

Complete Episode 1 without destroying any organic entities

Complete Episode 1 in less then 27 minutes

Complete Episode 2 in less then 31 minutes

Complete Episode 3 in less then 30 minutes

Complete 1-3 without taking more than one half of your health bar in damage.

Complete 4-3 without taking more than one half of your health bar in damage.

Complete 7-3 without taking more than one half of your health bar in damage.

Complete the game on Hard difficulty

Destroy an enemy while flying upside down

Fly through every tunnel in the game

Run any tunnel with afterburner on the entire tunnel

Pick up a powerup