| Achievement | How to unlock
|
|---|
| Alien Commander (90 points) | Defeat Alien Commander for good.
|
| Alpha Twin (90 points) | Defeat Alpha Twin.
|
| Bad Ending (90 points) | Finish the game.
|
| Forbidden Temple (90 points) | Reach the forbidden Temple.
|
| Hard Landing (90 points) | Die first time.
|
| Level Up (90 points) | Level up at least once.
|
| New Game Plus (100 points) | Finish the game in New Game Plus.
|
| Prisoner One (90 points) | Defeat Prisoner One for good.
|
| Silent Assassin (90 points) | Complete first room without taking any damage.
|
| Temple Sentinel (90 points) | Defeat Temple Sentinel for good.
|
| Ultimate Challenge (90 points) | Complete the ultimate challenge.
|