Elder Sign: Omens of the Deep

Fantasy Flight Games, Edge Entertainment, Galakta · Board game · 2017
8.3 Ludopedia 7.8 BGG 1–8 · best 1 Solo 90 min Weight 2.8/5
Buy · from US$ 29.66
8.3 rating Ludopedia
7.8 rating BGG

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Our Verdict
HIGHLY RECOMMENDED

If you love cosmic horror and cooperative challenges, this expansion delivers a deep‑sea adventure that upgrades the base game.

Highlights
  • Immersive underwater atmosphere
  • Unique investigator powers
  • Modular board
  • Two‑phase scenario
Keep in mind
  • Extensive, dense translation
  • Additional learning curve
  • Requires base game
Learn How to Play Step by Step Check out our complete step-by-step rules guide.
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About the game

What you do in a play session

Omens of the Deep transports the Elder Sign cooperative dice game from museum halls to the murky Pacific depths. Investigators board the Ultima Thule and confront three awakening Ancient Ones while trying to assemble the Amulet of R'lyeh. The R'lyeh Rising mode unfolds in two stages: first, players progress along the Dark Waters track, rolling dice to overcome hazards such as the Deep One Legion and Pacific Adventure cards. In the second stage, amulet pieces are collected and assembled, allowing the team to seal the chosen Ancient One before it devours the world. The expansion adds new mission tokens that reward investigators with special powers or valuable resources, encouraging strategic choices and tight cooperation. Components include fresh dice, adventure cards, mission tokens, modular board pieces, and the amulet itself in interchangeable parts. Classic Elder Sign mechanics—dice rolling, resource management, and variable investigator powers—remain, but are enriched by a modular board that reshapes each game, boosting replayability. The game supports 1‑8 players, lasts about 90 minutes, and carries a light weight (2.8/5), making it suitable for groups who love Lovecraftian horror without a heavy rulebook. Translation still demands a lot of text, but the experience rewards fans of cosmic horror, underwater exploration, and teamwork. In short, Omens of the Deep expands the Elder Sign universe with a tense maritime adventure, fresh challenges, and plenty of opportunities to wield Elder Signs against a sub‑aquatic apocalypse.

Expansion for

Published additional content

1 items

Rules manual

Official PDF file

Rules manual — Elder Sign: Omens of the Deep Portuguese · PDF
Download Manual

Best player count

BGG community vote

1–8 players
1 BEST
2 BEST
3 BEST
4 REC
5 OK
6 OK
7 OK
8 OK

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Game details

Mechanics, categories, families and credits

Families

Digital Implementations: Google Play Game: Elder Sign Series: Arkham Horror Files (Fantasy Flight Games) Theme: Cthulhu Mythos Theme: Under the Sea
Publisher Fantasy Flight Games, Edge Entertainment, Galakta, Heidelberger Spieleverlag
Designer Dane Beltrami
Artist Henning Ludvigsen

Community

Data from BoardGameGeek

5,416owners
508wishlist
115want to play

Frequently Asked Questions

Quick answers before you buy

7 questions
How many players can join?
1 to 8 players, just like the base game.
What is the typical play time?
Around 90 minutes, varying with player count and familiarity.
Do I need the The Call of Cthulhu expansion?
No, Omens of the Deep only requires the Elder Sign base game.
What are the main new features?
R'lyeh Rising two‑phase mode, modular board, new mission tokens, Pacific adventure cards, and the Amulet of R'lyeh.
Is it hard to learn?
Core mechanics stay the same, but the extra phase and components add a modest learning curve.
Are the components in Portuguese?
Most components are printed in English; a full translation relies on fan‑made or third‑party guides.
Is it beginner‑friendly?
With a bit of help, newcomers can play, but veterans of Elder Sign will find it smoother.