
- BGG rank
- BGG #2,059
- BGG rating
- 7.5
Reforest
- 1–4 players
- 30–60 min
- Complexity 2.6/5
- 2024

Rules assistance for Seas of Havoc: Sea Monster Expansion
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Seas of Havoc: Sea Monster Expansion is an expansion for Seas of Havoc released in 2023 for 1–5 players, 45–75 minutes per game, and ages 10 and up. It was designed by Sébastien Bernier-Wong and Peter Gorniak and its main mechanics are Deck, Bag, and Pool Building and Worker Placement.
The Sea Monster expansion adds two new captains and a variety of modular sea monster expansions that you can mix and match to create fresh experiences on the high seas. The Kraken and Sea Serpent both are added to the Sea board, creating new threats, obstacles, and scoring opportunities. Sharks move in and obstruct worker placement spots. —description from the publisher
Seas of Havoc: Sea Monster Expansion supports 1–5 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Seas of Havoc: Sea Monster Expansion is 45–75 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Seas of Havoc: Sea Monster Expansion for ages 10 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Seas of Havoc: Sea Monster Expansion belongs to these categories: Pirates and Expansion for Base-game. Its main mechanics are Deck, Bag, and Pool Building and Worker Placement. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of Seas of Havoc: Sea Monster Expansion are: Sébastien Bernier-Wong and Peter Gorniak. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Seas of Havoc: Sea Monster Expansion as an expansion for Seas of Havoc. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Seas of Havoc to use it. Check that your edition of Seas of Havoc is compatible, as some expansions were revised between editions.