
- BGG rank
- BGG #4,206
- BGG rating
- 6.7
Dune: A Game of Conquest and Diplomacy
- 2–4 players
- 20–60 min
- Complexity 2.6/5
- 2021

Rules assistance for Cosmic Encounter: Cosmic Dominion
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.
Cosmic Encounter: Cosmic Dominion is an expansion for Cosmic Encounter released in 2014 for 3–5 players, 60 minutes per game, and ages 12 and up. It was designed by Jack Reda, Bill Martinson, and Jefferson Krogh and its main mechanics are Variable Player Powers, Hand Management, and Team-Based Game.
The fifth expansion set for the Fantasy Flight Games version of Cosmic Encounter, Cosmic Dominion has the unique distinction of having been designed and developed by the fan base of Cosmic Encounter, comprising nearly two years of collaboration on both Facebook and BGG. Cosmic Dominion adds 30 new aliens to the FFG canon. These will include a few favorite classics from the good old days, with a large number of new alien powers contributed by a wide variety of fan designers. The set also includes a brand-new Reward Deck that can stand alone or be mixed with the one in Cosmic Incursion, but that is composed almost entirely of new cards, many with interesting twists on standard ones. Finally, included are special "Special Ship Markers" that can be used for a variety of variants, with some included in the rulebook to start you off.
Cosmic Encounter: Cosmic Dominion supports 3–5 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 Cosmic Encounter: Cosmic Dominion is 60 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 Cosmic Encounter: Cosmic Dominion 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.
Cosmic Encounter: Cosmic Dominion has a complexity rating of 3.1 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.
Cosmic Encounter: Cosmic Dominion belongs to these categories: Bluffing, Negotiation, and Science Fiction. Its main mechanics are Variable Player Powers, Hand Management, and Team-Based Game. 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 Cosmic Encounter: Cosmic Dominion are: Jack Reda, Bill Martinson, and Jefferson Krogh. 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 Cosmic Encounter: Cosmic Dominion as an expansion for Cosmic Encounter. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Cosmic Encounter to use it. Check that your edition of Cosmic Encounter is compatible, as some expansions were revised between editions.