Dark Sea

Dark Sea is a single player simulation game with horror, mystery and science fiction themes. It was developed by DarkSignal Studios and was released on October 1, 2025.

Dark Sea is a spooky adventure story game where you pilot an old rusty soviet research submarine known as P27 in search of the missing research team from the ODISEA Group. StoryYou play as Mr. Sidorov, a mechanic working for the secretive Soviet research group known as O.D.I.S.EA. You know little about the organization—only that your job is to maintain personal, one-man submarines used by the p…