| Name | Description | |
| Perfectionist | Finish the game with 100% progress. |  |
| What are you doing out there? | Walk out of opposite sides of the map outside the base. |  |
| Bookworm | Check all the books in the Base and the Mansion. | |
| Grand Inquisitor | Examine all the notes and diagrams in the game. |  |
| Private Investigator | Find all documents in the game. | |
| Impressionist | Get all notebook drawings in the game. | |
| Super Sleuth | Get all secrets in the game. | |
| Nosy Parker | Examine all objects in the game. | |
| Collectable Hunter | Get all collectables in the game. | |
| Masquerade | Check all the wooden masks in the Mansion. | |
| Wireless Operator | Use the walkie-talkie voluntarily in every location that it is available. | |
| Death-defying | Finish the game without dying. | |
| Bellhop | Manage to run the Link Elevator. |  |
| Cryptographer | Solve the radio room puzzle. | |
| Sharpest Knife in the Drawer | Solve the symbol-drawing puzzle on the first try. | |
| Earthly Minds over Delicate Souls | Experience the second ending. | |
| Out-of-Body Experience | Experience the first ending. | |
| Sparky | Provide electricity to the base. | |
| Deep Dive | Get on the submarine. | |
| Carved Catacombs | Reach the Connection Halls. | |
| Demons of the Past | Reach the Mansion for the second time. | |
| Under the Sands | Reach the ruins under Rub' al Khali. | |
| Almost There | Reach the final level. | |
| Glutton for Punishment | Die in five different ways. | |
| Escape Artist | Don't get caught by the mummies in the Connection Halls. | |
| Paying Close Attention | Solve the puzzle on the cellar door without any clues. | |