| Achievement | How to unlock | Points
|
|---|
| Ascending and Descending | Completed floor three puzzles. | 50
|
| Belvedere | Completed floor five puzzles. | 50
|
| Castrovalva | Teleported for the first time. | 50
|
| Check Out Any Time You Like | Completed both endings. | 150
|
| Colitas | Entered the first 4-digit code. | 50
|
| Devil's Tuning Fork | Found the phone. | 50
|
| Gravitation | Completed floor four puzzles. | 50
|
| Heaven or Hell | Read the manager's notebook in the observation room. | 50
|
| Mercedes | Entered the third 4-digit code. | 50
|
| Prisoners of Our Own Device | Completed the game. | 200
|
| Relativity | Completed floor two puzzles. | 50
|
| Steely Knives | Entered the fourth 4-digit code. | 50
|
| Tiffany | Entered the second 4-digit code. | 50
|
| Voices Down the Corridor | Entered the fifth 4-digit code. | 50
|
| Waterfall | Completed floor one puzzles. | 50
|