Underwater Cities | Board Game

• BUILD A FUTURE BENEATH THE WAVES: Establish thriving underwater habitats in response to Earth's overpopulation crisis. Design networks of cities, tunnels, and essential structures to support life below the surface.
• ENGAGING CARD-DRIVEN MECHANICS: Match action slots with cards to trigger powerful combos—or prioritize strategy when the match isn’t perfect. Every turn is a meaningful decision between efficiency and opportunity.
• DEEP STRATEGY & RESOURCE MANAGEMENT: Gather resources to construct kelp farms, desalination plants, and labs that power your aquatic civilization. Plan carefully to expand and sustain your underwater empire.
• IMMERSIVE SCI-FI WORLD & THEME: Dive into a rich, futuristic setting with detailed components and a compelling narrative backdrop. Build humanity’s next great civilization on the ocean floor.

Underwater Cities: New Discoveries Expansion | Board Game

UNDER THE SEA A NEW WORLD AWAITS.

Welcome to New Discoveries, the first expansion for Underwater Cities. Inside, you will discover several new components which will offer new ways to play and new strategies to explore.

NEW CARDS − 52 cards will add new options to every deck.

NEW ASSISTANTS − New assistants, each with its own special ability, will make every underwater nation unique.

STARTING RESOURCE TILES − Starting resource tiles allow players to start the game with construction already underway, which speeds up the game by one round.

NEW PLAYER BOARDS − New player boards are used with new game variants. This expansion also includes the original player boards reprinted with upgraded quality.

NEW METROPOLISES − The green metropolises offer new benefits. They are used differently in different variants of the game, adding new strategic dimensions.

MUSEUM − At the bottom of the sea, you will make new discoveries which will earn your nation prestige as you help build the international museum.

Underwater Cities Board Game: Data Era | Board Game Expansion

Expand your Underwater Cities empire with Data Era, the second official expansion that introduces data discs—a versatile new resource that can be used whole or split in half for strategic flexibility.

Manage these digital assets to construct data centers and data cities, unlocking fresh scoring opportunities each production phase. Seamlessly integrates with the base game and New Discoveries expansion, featuring new Assistants, Quick Start tiles, Metropolis cards, and upgraded structure tokens.

All existing player boards remain fully compatible, making this essential for players seeking deeper complexity and innovative gameplay mechanics.

Underwater Cities Mini Expansion | Board Game Expansion

Expand your Underwater Cities experience with this mini expansion featuring 12 fresh cards.

Unlock innovative strategies and synergistic effects that deepen interactions between buildings and modules while preserving the game's carefully balanced mechanics.

Seamlessly compatible with existing expansions, it transforms every playthrough into a more intricate and demanding challenge.