Terraforming Mars: Ares Expedition · More players

Ares Expedition: Foundations

Most groups can skip

Our take
BGG 7.53 from 367 ratings. Only needed for five or six players; a BGG poster says 1-4 players never need it and that two-player tests were not recommended.
What you need first
Just the base game
What it adds
Player boards, cubes and phase cards for five or six players, a larger score track and a fourth infrastructure track with new project cards.
What it fixes
Lets groups of five or six play Ares Expedition.

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Last checked 2026-10-15. Spot a mistake? Tell us.