85

Immerse yourself among the passengers and crew of the SS Atlantica as they cross the Atlantic Ocean while secretly harboring monstrous Deep Ones and cultists among them. Players must work together to manage crises and keep the ship afloat, but some among the crew are secret traitors trying to sabotage the voyage.

85

The Verdict

based on 29 reviews

Positive 0%
Mixed 0%
High tension
Immersive Cthulhu theme
Engaging hidden traitor mechanics
Great social deduction
Lengthy play time
Heavy administrative upkeep
95
StatedThis reviewer gave their own score. We only converted it to our 0–100 scale.
Zatu Games, Thomas GornerArticle

This Lovecraftian re-skin of Battlestar Galactica delivers tense, highly engaging social deduction and paranoia as players work together while suspecting hidden traitors. Despite a heavy rules overhead, it creates memorable gameplay moments and fantastic post-game debriefs.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
The Lucky Roll, SeanVideo

The reviewer examines Unfathomable, highlighting its immersive social deduction and hidden traitor mechanics aboard a Lovecraftian steamship, while noting that game length and pacing can occasionally drag.

90
StatedThis reviewer gave their own score. We only converted it to our 0–100 scale.
Board Game QuestArticle

Unfathomable is a deeply thematic, highly social hidden-traitor game set in the Cthulhu Mythos that delivers great components, tense gameplay, and a complete experience right out of the box.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Polygon, Samantha NelsonArticle

The reviewer notes that Unfathomable successfully adapts Battlestar Galactica into an atmospheric Lovecraftian setting, but finds that its dated social deduction mechanics can strain both friendships and patience.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Board Game Rundown, Tim and MikeVideo

The reviewers examine the mechanics, theme, and social deduction elements of Unfathomable, highlighting its tension as well as its pacing issues.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
The Discriminating Gamer, Cody CarlsonVideo

The reviewer explores the hidden traitor mechanics and nautical theme of Unfathomable, praising how it creates genuine tension and atmosphere at the table.

90
StatedThis reviewer gave their own score. We only converted it to our 0–100 scale.
GamesRadar+, Benjamin AbbottArticle

The reviewer calls Unfathomable a brilliant and robust addition to the Arkham Horror universe. It successfully improves on a classic formula with tense mechanics and rich world-building, though sessions run quite long.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Grant Lyon, Grant LyonVideo

The reviewer highlights Unfathomable as an exciting new release in the Arkham Horror universe, noting that it combines a deep strategy experience taking two to four hours with a compelling hidden traitor mechanic.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Liege of Games, MichaelVideo

The reviewer examines Unfathomable, highlighting its tense hidden-traitor mechanics, thematic depth, and structural design. They weigh its engaging gameplay against pacing issues and administrative overhead.

90
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Tabletop Gaming Magazine, Charlie PettitArticle

The reviewer praises Unfathomable as a fantastic, tense social deduction game that successfully rethemes Battlestar Galactica with a Cthulhu twist, delivering immersive paranoia and deep strategic decisions.

85
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
3 Minute Board Games, J CarmichaelVideo

The reviewer highlights the engaging tension of hidden traitors and crisis management aboard a sinking ship, though noting that long play times and potential downtime can drag down the experience.

85
InferredThis reviewer didn't give a numbered score. We read the review and inferred a 0–100 score from what they said. Did we get it wrong? Please report it, we'll fix it.
Tabletop Games Blog, OliverVideo

The reviewer feels that while the game delivers solid mechanical and thematic elements, it ultimately lacks sufficient novelty compared to its predecessor.

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