Below a list of unlockables for this game:
| Unlockable | How to unlock |
| Background art renders | Successfully complete the game under the Private Investigator difficulty setting.
|
| Character art renders | Successfully complete the game under the Private Investigator difficulty setting.
|
| Concept artwork | Successfully complete the game under the Private Investigator difficulty setting.
|
| Craig Mullins gallery | Successfully complete the game under the Hardened Detective difficulty setting.
|
| Hardened Detective difficulty | Successfully complete the game under the Private Investigator difficulty setting.
|
| Mythos Master difficulty | Successfully complete the game under the Hardened Detective difficulty setting.
|
