Unlock the following bonuses by completing the game on the corresponding difficulty settings:
BONUS - DIFFICULTY LEVEL Hardened Detective difficulty - Beat the game under the Private Investigator difficulty setting. Mythos Master difficulty - Beat the game under the Hardened Detective difficulty setting. Craig Mullins gallery - Beat the game under the Hardened Detective difficulty setting. Background art renders - Beat the game under the Private Investigator difficulty setting. Character art renders - Beat the game under the Private Investigator difficulty setting. Concept artwork - Beat the game under the Private Investigator difficulty setting.
Earn an "A" rank by getting a 100% game completion . This is done by collecting all journal entries (thirteen in Jack's Diary, eighteen in General Evidence, and six in Mythos Tomes), finding the rifle a reception office door in the refinery, saving Ruth from the rafters, and keeping enough sailors alive during the boat ambush all under three and a half hours with less than thirty saves done manually.
