Take out the first Enemy Base
Take out the second Enemy Base
Take out the third Enemy Base
Take out the last Enemy Base
In Mission 8, rescue the scientist and obtain the final parts of the secret weapon.
Destroyed the Enemy Space Station and finished the game.
In Mission 2 or Mission 6, drop 2 supplies consecutively without losing a life.
In any normal level, destroy 50 enemies in a row without losing a life.
Reach and destroy an Enemy Base without losing a life.
Destroy 32 planes in a "Destroy Enemy Fighter Planes" mission.
Complete the game without using any sub weapon. (Missions 2 and 6 don't count)
Complete the game without losing any lives.
Buy and max out every weapon in the shop.
Dock with a Space Station without losing a life.
Obtain a score of at least 350,000.