Unfathomable
SKU: 15435489828

Unfathomable

Sale price$71.99 Regular price$79.99
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Description

UnfathomableImmerse yourself among the passengers and crew of the SS Atlantica in this game of hidden loyalties, intrigue, and paranoia for three to six players set in Fantasy Flight's Arkham Horror universe. The year is 1913. The passengers of the SS Atlantica fully anticipated a calm journey to Boston, Massachusetts, with nothing out of the ordinary to look forward to. However, strange nightmares plague them every night; rumors circulate of dark shapes

Immerse yourself among the passengers and crew of the SS Atlantica in this game of hidden loyalties, intrigue, and paranoia for three to six players set in Fantasy Flight's Arkham Horror universe.

The year is 1913. The passengers of the SS Atlantica fully anticipated a calm journey to Boston, Massachusetts, with nothing out of the ordinary to look forward to. However, strange nightmares plague them every night; rumors circulate of dark shapes following closely behind the ship just beneath the waves; and tensions rise when a body is discovered in the ship’s chapel. This voyage began like any other, but now it seems that the Atlantica may never reach its destination.

Some of you are humans, fighting for the survival of the ship; others are traitors, hybrids sent aboard the ship by mysterious beings to ensure that it never reaches port! Because player loyalties are hidden, determining who is friend and who is foe is critical to winning a thrilling game of Unfathomable.

Lurking within the depths of the Atlantic Ocean are a swarm of vicious, unspeakable horrors, the Deep Ones. For reasons unknown, they have set their sights on the Atlantica, and their minions have infiltrated the steamship to help sink it from within.

In Unfathomable one or more of you assume the hidden role of one of these hybrids, secretly sabotaging the efforts of the others on the ship. It might mean the difference between a successful voyage and a sunken ship.

Do you like liar games but with even more tactics and strategy than your usual social deduction party game? Unfathomable will be perfect for you!

Unfathomable takes place in the Arkham Horror Files universe based on the Cthulhu Mythos, and it takes place many years before the events of the Arkham Horror board game and card game. Because of this, this game features a full cast of brand-new playable characters, each of which has never been seen in the Arkham universe before.

Are you a friend to humanity or a hybrid saboteur?

Contents

  • 1 Game Board
  • 4 Resource Dials with Plastic Connectors
  • 1 Eight-sided Die
  • 22 Monster Figures (1 Mother Hydra, 1 Father Dagon, 20 Deep Ones)
  • 10 Character Standees
  • 1 Travel Track Token
  • 1 Ritual Track Token
  • 10 Character Sheets
  • 3 Traitor Reference Sheets
  • 6 Player Reference Sheets
  • 1 Captain Title Card
  • 1 Keeper of the Tome Title Card
  • 10 Feet Cards
  • 20 Spell Cards
  • 20 Waypoint Cards
  • 20 Item Cards
  • 9 Ship Damage Cards
  • 126 Skill Cards (21 each of 6 different types)
  • 14 Loyalty Cards
  • 70 Mythos Cards
  • 9 Passenger Tokens
  • 4 Traitor Rings
  • 1 Current Player Token

Details

Players: 3 - 6
Ages: 14+
Runtime: 2 - 4h
Designer: Tony Fanchi, Corey Konieczka

Documents

Learn to Play (pdf)
Rules Reference (pdf)

Shipping Notes
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Exchange/Return Notes
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SKU: 15435489828

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jmb02129
New York, US
★★★★★ 5
Fantastic Boots!
Size: 8.5, Color: Redwood/Gum 10
Completely satisfied with these boots. True to size, well made, comfortable from the get-go; not break in needed. Waterproof- really. The Red Suede has withstood a nasty winter season & still looks great. Good traction. I like the ankle height which looks good with long, mid length pants & leggings. I love the easy slip on/off aspect..made getting ready for dog walking easy. I 100%recommend!
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Reviewed in the United States on April 11, 2026
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Verified Purchase
Paige
Carnegie, US
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
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Reviewed in the United States on January 3, 2026
K
Verified Purchase
Kimberly
Natrona Heights, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
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Reviewed in the United States on April 8, 2026
A
Verified Purchase
ashlynnk
New York, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
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Verified Purchase
Abby B
Draper, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026

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