
- BGG rank
- BGG #738
- BGG rating
- 8.1
Triumph & Tragedy: European Balance of Power 1936-1945
- 2–3 players
- 240–360 min
- Complexity 3.4/5
- 2015

Rules assistance for Seas of Thunder: Blueprints
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 Thunder: Blueprints is an expansion for Seas of Thunder: Global Naval Warfare, 1939-45 released in 2024 for 1–2 players, 120 minutes per game, and ages 12 and up. It was designed by Jeff Horger and its main mechanics are Area Movement, Dice Rolling, and Secret Unit Deployment.
This expansion adds all of the ships scrapped at the 1922 Washington Naval Treaty. Along with the rules for integrating the ships into the game, the expansion includes: Minor navies such as Denmark and Poland. Mothballed ships Ship classes that were not large enough to warrant a piece in Seas of Thunder Ships that were almost completed but ended up rusting on the docks. Axis aircraft carriers Experimental designs that only existed on the drawing board.
Seas of Thunder: Blueprints supports 1–2 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 Thunder: Blueprints is 120 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 Thunder: Blueprints for ages 12 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 Thunder: Blueprints belongs to these categories: Wargame, Nautical, and World War II. Its main mechanics are Area Movement, Dice Rolling, and Secret Unit Deployment. 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 Thunder: Blueprints are: Jeff Horger. 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 Thunder: Blueprints as an expansion for Seas of Thunder: Global Naval Warfare, 1939-45. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Seas of Thunder: Global Naval Warfare, 1939-45 to use it. Check that your edition of Seas of Thunder: Global Naval Warfare, 1939-45 is compatible, as some expansions were revised between editions.