
- BGG rank
- BGG #543
- BGG rating
- 7.6
Woodcraft
- 1–4 players
- 60–120 min
- Complexity 3.8/5
- 2022

Rules assistance for Underwater Cities: Mini-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.
Underwater Cities: Mini-expansion is an expansion for Underwater Cities released in 2023 for 1–4 players, 40–160 minutes per game, and ages 12 and up. It was designed by Vladimír Suchý, Ross Arnold, and Pavel Dolegowski and its main mechanics are Worker Placement.
We decided to release 12 new cards of Underwater Cities. This Mini-expansion will be issued on occasion of 5th Anniversary of Delicious Games and its 1st title Underwater Cities. —description from the publisher
Underwater Cities: Mini-expansion supports 1–4 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 Underwater Cities: Mini-expansion is 40–160 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 Underwater Cities: Mini-expansion 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.
Underwater Cities: Mini-expansion has a complexity rating of 3.8 out of 5 from BoardGameGeek players, which makes it a heavy game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
Underwater Cities: Mini-expansion belongs to these categories: Expansion for Base-game. Its main mechanics are 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 Underwater Cities: Mini-expansion are: Vladimír Suchý, Ross Arnold, and Pavel Dolegowski. 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 Underwater Cities: Mini-expansion as an expansion for Underwater Cities. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Underwater Cities to use it. Check that your edition of Underwater Cities is compatible, as some expansions were revised between editions.