Terraforming Mars: Ares Expedition · Expansion

Ares Expedition: Discovery

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Our take
BGG 7.96 from 724 ratings. A BGG poster calls it the most highly recommended expansion for solo and two players, and another says it also works solo or co-op.
What you need first
Just the base game
What it adds
Awards and milestones, upgradeable phase cards, wild-tag project cards and new corporations and projects.
What it fixes
Adds end-game awards and in-game milestones, giving each game goals to chase.

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