
- BGG rank
- BGG #213
- BGG rating
- 7.8
Endeavor: Age of Sail
- 2–5 players
- 60–90 min
- Complexity 2.9/5
- 2018

Rules assistance for Endeavor: Deep Sea – Uncharted Waters
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.
Endeavor: Deep Sea – Uncharted Waters is an expansion for Endeavor: Deep Sea released in 2026 for 1–5 players, 45–90 minutes per game, and ages 14 and up. It was designed by Carl de Visser and Jarratt Gray and its main mechanics are Track Movement, Area Movement, and Worker Placement.
In Endeavor: Deep Sea, players explore the vast depths of the ocean, hiring dedicated workers and completing objectives in an effort to chart the environment and help protect it. The Endeavor: Deep Sea – Uncharted Waters expansion pushes players to the edge with challenging new missions, undiscovered depths to explore, and new specialists looking to join your crew and make an impact on the world. Players also get to incorporate new mini-expansions tasking them with saving endangered aquatic wildlife, exploring deeper depths than ever possible, and restoring the fragile balance of the marine ecosystem. This expansion includes four new scenarios with interesting phenomena such as "Tectonic Split", which divides the sea in two, and "The Fog", which blankets the surface in a mysterious mist. Each of the four scenarios introduces components not found in the base game.
Endeavor: Deep Sea – Uncharted Waters 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 Endeavor: Deep Sea – Uncharted Waters is 45–90 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 Endeavor: Deep Sea – Uncharted Waters 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.
Endeavor: Deep Sea – Uncharted Waters belongs to these categories: Nautical, Expansion for Base-game, and Environmental. Its main mechanics are Track Movement, Area Movement, 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 Endeavor: Deep Sea – Uncharted Waters are: Carl de Visser and Jarratt Gray. 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 Endeavor: Deep Sea – Uncharted Waters as an expansion for Endeavor: Deep Sea. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Endeavor: Deep Sea to use it. Check that your edition of Endeavor: Deep Sea is compatible, as some expansions were revised between editions.