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Ludexv2026.11.01-65114139Endeavor: Deep SeaOfficial rulebook ↗

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Learn Endeavor: Deep Sea

Learn the game in 5 short steps. Everything links to the full rules.

Run an ocean institute

Endeavor: Deep Sea box cover

You each run an ocean research institute. Over 6 rounds you recruit Specialists, send Vessels to explore, discover new zones, dive, protect habitats and publish Journals. Nothing is taken out of the sea: everything you gain makes you better at the work.

The most points wins. They come from your four attribute tracks, the Impact board, the Mission’s three goals, some Journals and Senior tier-5 Specialists, and a few for leftovers. How you win.

Scenario sheet, mat and ocean

Mission 1's Scenario sheet with numbered parts

  • The Scenario sheet (the Mission): setup, special rules, the Impact board and three scoring goals.
  • Your player mat: four attribute tracks (Reputation Inspiration Coordination Ingenuity), your Staging area, Dive token storage and the Research track.
  • The ocean: built from Ocean boards. Once in play a board is a zone, with a Travel box, Sonar track, Dive site and Journal sites.

The boards in detail · Zones and Dive tokens.

Prepare, then activate

A round has two phases, the player with the Wave first in both.

  1. Preparation: recruit one Specialist up to your Recruitment level Recruitment level, take Effort level Effort discs into your Staging area, take Reassignment level Reassignment discs back from your Specialists.
  2. Activation: on your turn put a disc on a Specialist with an empty circle and do its action(s), or pass. Sonar, Conserve and Journal need a second disc from your Staging area.

You can only act in a zone where you have a Vessel. A round · Rounds and Specialists.

The five actions and the Mission

The Sea Star zone with numbered parts

  • Travel Travel: move a Vessel, then take the zone’s Arrival bonus.
  • Sonar Sonar: second disc on a Sonar track; often a Discover Discover of a new zone.
  • Dive Dive: take the top Dive token for Research Research or a free effect.
  • Conserve Conserve: pay Research, second disc on a Conservation site; often Impact Impact.
  • Journal Journal: pay Research, second disc on a matching Journal site, take the card.

When both ends of a link hold a disc, both players gain its reward. The five actions · Ocean, links and Impact · Missions.

Scoring

The game ends after round 6 (7 in solo), when everyone has seven Specialists. You score:

  • each attribute track’s bracket: 0, 2, 4, 7 or 10;
  • your markers in scoring hexes of the Impact board;
  • points on your Journals and Senior tier-5 Specialists;
  • leftover Research plus Staging discs, divided by 3, rounded down;
  • the three Mission goals, with bonuses for 1st and 2nd place.

Highest score wins; a tie is a shared win. Ways to score · Game end and scoring.

Rules

↑↓ to move · Enter to open · Esc to close

Drag to move · tap to close