•STRATEGY HORROR GAME: Not all is well on the steamship Atlantica: a foreboding sense of dread, shadows under the waves, and a ritualist murder have the crew and passengers on edge. Now they must work together to get the ship to shore, but not all aboard are what they seem.
•HIDDEN TRAITOR GAME: Unfathomable is a hidden traitor game where players assume the roles of the passengers and crew of the Atlantica. They work together to fight off beasts and perform repairs to the ship. However, some of the players are secretly cultists determined to sabotage the heroes.
•WORK TOGETHER, OR NOT: As beasts emerge from the depths and events occur around the ship, players will need to play cards into a pile in order to meet specific requirements. However, the cultists, working to sabotage the others, may secretly play the wrong cards in order to fail the events.
•ARKHAM HORROR GAME: Set in the Arkham Horror Files universe, Unfathomable takes place many years before the board and card game but features the same rich lore and offers a full cast of new characters. Fans will be excited for an all-new game experience in their favorite horror universe.
•NUMBER OF PLAYERS AND AVERAGE PLAYTIME: Unfathomable is a hidden traitor board game for 3 to 6 players and takes 120 to 240 minutes to play.