"A" rank
Obtain a 100% game completion to earn an "A" rank. This can be achieved by collecting every journal entry, finding the rifle a reception office door in the refinery, saving Ruth from the rafters, and by keeping enough sailors alive in the boat ambush all within three and a half hours with less than thirty saves done manually.

Hardened Detective difficulty
Finish the game within the Private Investigator difficulty setting.

Mythos Master difficulty
Finish the game within the Hardened Detective difficulty setting.

Craig Mullins gallery
Finish the game within the Hardened Detective difficulty setting.

Concept artwork
Finish the game within the Private Investigator difficulty setting.

Variety Store: Safe combination
The combination for the safe in the Variety Store is 2-6-1-2.

Background art renders
Finish the game within the Private Investigator difficulty setting.

Character art renders
Finish the game within the Private Investigator difficulty setting.