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INTRIGUING THEME: Dive into the Arkham Horror Files universe with Unfathomable, a game of hidden loyalties and devious strategy set aboard the steamship Atlantica.
THRILLING GAMEPLAY: Work together with 3 to 6 players to navigate the treacherous waters, manage supplies, and fend off monstrous Deep Ones threatening the ship's safety.
HIDDEN TRAITORS: Beware of fellow passengers who may secretly be cultists or terrifying hybrid Deep Ones, plotting to sabotage the voyage and drag the Atlantica to a watery grave.
IMMERSIVE EXPERIENCE: Experience the tension of battling swarming Deep Ones while uncovering traitors, all while striving to steer the Atlantica safely to its destination in Boston.
HIGH-SEAS SUSPENSE: With eerie underwater nightmares plaguing the investigators and suspicion running rampant, Unfathomable delivers a thrilling and immersive board game experience.

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Unfathomable | Strategy Game for Teens and Adults | Arkham Horror | Hidden Traitor Board Game | Ages 14+ | 3-6 Players | Average Playtime 120-240 Minutes | Made by Fantasy Flight Games