
- BGG rating
- 8.0
Rules assistance for Cosmic Encounter: Expansion Set #7
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
- 3–6 players
- 90 min
- 12+
- Complexity 2.6/5

Rules assistant for Cosmic Encounter: Expansion Set #7
What would you like to know?
Answers come from the official rulebook, with the page to check.
Cosmic Encounter: Expansion Set #7 is an expansion for Cosmic Encounter released in 1981 for 3–6 players, 90 minutes per game, and ages 12 and up. It was designed by Bill Eberle, Jack Kittredge, and Peter Olotka and its main mechanics are Variable Player Powers.
About the game
This expansion was created for the Eon Products, Inc. (Eon) version of Cosmic Encounter. Add to the base game: 14 new alien powers (Boomerang, Bully, Delegator, Disease, Filth, Fungus, Loser, Pacifist, Prophet, Siren, Sniveler, Terrorist, Warpish, Witch) Expands: Cosmic Encounter Other expansions: Cosmic Encounter: Expansion Set #1 Cosmic Encounter: Expansion Set #2 Cosmic Encounter: Expansion Set #3 Cosmic Encounter: Expansion Set #4 Cosmic Encounter: Expansion Set #5 Cosmic Encounter: Expansion Set #6 Cosmic Encounter: Expansion Set #8 Cosmic Encounter: Expansion Set #9
Mechanics
Publishers
- Eon Products, Inc. (Eon)
Questions and answers
Cosmic Encounter: Expansion Set #7 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: Expansion Set #7 is 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 Cosmic Encounter: Expansion Set #7 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: Expansion Set #7 has a complexity rating of 2.6 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: Expansion Set #7 belongs to these categories: Card Game, Science Fiction, and Expansion for Base-game. Its main mechanics are Variable Player Powers. 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: Expansion Set #7 are: Bill Eberle, Jack Kittredge, and Peter Olotka. 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: Expansion Set #7 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.