
- BGG rank
- BGG #1,125
- BGG rating
- 8.1
Cosmic Encounter: 42nd Anniversary Edition
- 3–5 players
- 60–120 min
- Complexity 2.5/5
- 2018

Rules assistance for Cosmic Encounter: Cosmic Alliance
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 Alliance is an expansion for Cosmic Encounter released in 2012 for 3–6 players, 60 minutes per game, and ages 13 and up. It was designed by Kevin Wilson and its main mechanics are Variable Player Powers, Hand Management, and Team-Based Game.
Game description from the publisher: Cosmic Alliance, the third expansion set for the Fantasy Flight Games version of Cosmic Encounter, brings 20 alien races, both original and classic, exploding onto your tabletop. Players will now stand petrified by the hideous Gorgon, be baffled by the puzzle of the Schizoid, and feel obsolete before the bionics of the Cyborg. Cosmic Alliance also makes the Cosmos even bigger, adding another player (white) as well as rules for large eight-player games (if you own all three expansions). Finally, Cosmic Alliance introduces a new variant – team rules, which allow steadfast allies to dominate the Cosmos together! This optional Team Cosmic variant places players in randomly determined teams of two, in which they'll attempt to conquer the Cosmos cooperatively. Without discussing their race selection in advance, partners sit opposite each other at the table, where they can occasionally offer a helping hand; whenever a player gains a new foreign colony, he can choose to instead give that colony to his partner.
Cosmic Encounter: Cosmic Alliance supports 3–6 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 Alliance 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 Alliance for ages 13 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 Alliance has a complexity rating of 2.9 out of 5 from BoardGameGeek players, which makes it a medium-light 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 Alliance 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 Alliance are: Kevin Wilson. 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 Alliance 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.