Couch Potatoes (itch.io): Return of the Obra Dinn

Olivier boards a black and white, time-traveling pirate ship where he witnesses murder most fowl.

Return of the Obra Dinn is the latest game by Lucas Pope (creator of: Papers, Please!) The game takes place aboard a pirate ship after its crew has been eradicated by murder, suicide, and all things sinister. It uses single shades of black and white and is played in the first-person. The game is available for free through independent service itchi.io