
- BGG rank
- BGG #901
- BGG rating
- 7.5
Evacuation
- 1–4 players
- 60–150 min
- Complexity 4.0/5
- 2023

Rules assistance for Underwater Cities: Data Era
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: Data Era is an expansion for Underwater Cities released in 2025 for 1–4 players, 80–150 minutes per game, and ages 14 and up. It was designed by Vladimír Suchý and its main mechanics are Hand Management, Income, and End Game Bonuses.
Underwater Cities: Data Era is a second expansion for the Underwater Cities base game. Underwater Cities: Data Era can also be combined with the first expansion, Underwater Cities: New Discoveries. In Data Era, players receive a new resource type - data discs. Data discs provide additional actions along with new buildings called data centers, and a new city type, information cities. These new data centers and information cities provide players with new ways of scoring. Delicious Games has also included new, upgraded components in this expansion! The new components can be used with the base game and the New Discoveries expansion. —description from the publisher
Underwater Cities: Data Era 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: Data Era is 80–150 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: Data Era for ages 14 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: Data Era has a complexity rating of 3.2 out of 5 from BoardGameGeek players, which makes it a medium-weight 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: Data Era belongs to these categories: Card Game, Nautical, and City Building. Its main mechanics are Hand Management, Income, and End Game Bonuses. 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: Data Era are: Vladimír Suchý. 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: Data Era 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.