Beat Asteroid 1
Beat Asteroid 2
Beat Asteroid 3
Beat Asteroid 4
Beat Asteroid 5
Beat Asteroid 6
Beat Asteroid 7
Find and save Iris
Beat Asteroid 8
Complete the game from start to finish in a single playthrough
Beat the game
Get Password Disk
Get ALL Password Disks
Find a secret room in Asteroid 1
Find a secret room in Asteroid 2
Find a secret room in Asteroid 3
Find a secret room in Asteroid 6
Find a secret room in Asteroid 7
Find a secret room in Asteroid 4
Find a secret room in Asteroid 5
Get a perfect bonus
Get and use a grenade
Get and use a machine gun
Get and use a flame shot
Get and use a light saber
Get roller skates and be faster
Get and use a throwing ax
Get and use a bazooka
Get and use a barrier
Get and use a special option
Find a secret room in Asteroid 8
Reach level 10 with the pistol