Star Soldier
- Boss On Parade mode
- Successfully complete the game to unlock Boss On Parade mode.
- Level select
- Successfully complete Boss On Parade mode.
- God mode
- Successfully complete level 10 on the Hard difficulty setting to unlock the God difficulty setting.
- Sound test
- Get a high score in Normal, 2-Minute, and 5-Minute modes with all three ships to unlock the sound test option.