
- BGG rank
- BGG #1,126
- 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 Odyssey
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 Odyssey is an expansion for Cosmic Encounter released in 2022 for 3–8 players. It was designed by Jack Reda and its main mechanics are Variable Player Powers, Hand Management, and Take That.
This seventh expansion is the biggest expansion yet for cosmic encounter. introduces a campaign mode, 30 new aliens, 12 "alternate timeline" aliens revising previous aliens, and adds new space stations, technology, and hazards. It also adds new features, such as lux and moons.
Cosmic Encounter: Cosmic Odyssey supports 3–8 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.
Cosmic Encounter: Cosmic Odyssey has a complexity rating of 3.3 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 Odyssey belongs to these categories: Negotiation, Science Fiction, and Expansion for Base-game. Its main mechanics are Variable Player Powers, Hand Management, and Take That. 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 Odyssey are: Jack Reda. 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 Odyssey 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.