Unfathomable Expansion : From the Abyss

SKU: 16487
UPC: 841333125813
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In this expansion for Unfathomable, the SS Atlantica and its journey to Boston are submerged in even deeper peril. New, horrifying monsters emerge from the depths of the Atlantic Ocean to assail the ship, and the waters of the ocean itself have grown violent enough to sweep the passengers overboard. New treacheries are here to sabotage the ship, and with the mythos deck doubling in size, fresh dangers will threaten the Atlantica at every turn.


  • Three new monsters known as “horrors”—the Shoggoth, the Drowned Spirit, and the Grasping Tendril—assail the ship, each of them incredibly dangerous and difficult to defeat.
  • New prelude cards come in three different varieties and change the conditions at the start of the game, adding unfathomable levels of replayability.

This is not a standalone game. Base game of Unfathomable required to play.


  • 3 Plastic Horror Figures
  • 8 Character Sheets
  • 3 Expansion Reference Sheets
  • 3 Traitor Reference Sheets
  • 6 Player Reference Sheets
  • 8 Character Standees
  • 1 Horror Token
  • 2 Overlay Tiles
  • 15 Prelude Cards
  • 4 Horror Cards
  • 72 Mythos Cards
  • 2 Title Cards
  • 12 Ally Cards
  • 10 Spell Cards
  • 10 Waypoint Cards
  • 11 Item Cards
  • 2 Ship Damage Cards
  • 8 Feat Cards
  • 35 Skill Cards
  • Rulebook


Players: 3-6
Ages: 14+
Runtime: 3h
Designer: Alexander Ortloff-Tang