Mark of the Deep is an atmospheric pirate adventure that blends the exploration and progression of Metroidvania titles with the tense combat of Souls-like games. You take on the role of Marcus “Rookie” Ramsey, a newly anointed Mark Keeper whose ship has been wrecked on a mysterious, cursed island. Your mission: find your missing crew, the Angry Mermaids, and unravel the island’s dark secrets.