On Mars
Do I need an expansion to play On Mars solo?
Several experienced players agree; no official ruling.
- belborough · Community · 2023-08-18
- kydaria · Community · 2023-08-18
- SaltyHorse · Community · 2021-07-14
- kydaria · Community · 2020-09-25
No. The base game has a complete solo mode. The Alien Invasion expansion adds a separate, second solo variant, Monolith.