Deep in the sea, monsters lurk, horrors beyond human comprehension. In Unfathomable you get a secret role, which determines your goals. The people try to survive, and to make sure that they make a good boat trip. The traitors want to sabotage this, and worry that the boat and its passengers will sink to the bottom of the sea. Can you survive? Or will the traitors win?

Note: the description is machine translated and might contain errors.