
- BGG rank
- BGG #476
- BGG rating
- 7.2
The Resistance
- 5–10 players
- 30 min
- Complexity 1.6/5
- 2009

Rules assistance for Cosmic Conquest: Harbinger Expansion
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 Conquest: Harbinger Expansion is an expansion for Cosmic Conquest released in 2025 for 2–6 players. Its main mechanics are Memory, Hidden Roles, and Worker Placement.
Four new player characters for Cosmic Conquest.
Cosmic Conquest: Harbinger Expansion supports 2–6 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.
Cosmic Conquest: Harbinger Expansion belongs to these categories: Card Game, Science Fiction, and Expansion for Base-game. Its main mechanics are Memory, Hidden Roles, and Worker Placement. 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 catalogue lists Cosmic Conquest: Harbinger Expansion as an expansion for Cosmic Conquest. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Cosmic Conquest to use it. Check that your edition of Cosmic Conquest is compatible, as some expansions were revised between editions.