Unlockable - Clear Game Unlockables | |
| Enemy Layout Select (training only) | Clear the game once on any difficulty |
| Very Hard Difficulty | Clear the game once on any difficulty |
| Survival Mode | Clear the game once on any difficulty |
| Special Mission Mode | Clear the game once on any difficulty |
| Adjutant Voice Select (training only) | Clear the game once on any difficulty |
| Ultra Hard Difficulty | Beat game second time. |
| Rubber Ducky ASW tech | Beat the game two times on any difficulty |
