687 Days on Mars - First Steps — Steam game overview

Stored observation / content update: 2026-11-07T02:23:44.000Z

Take your first steps on Mars and face the challenge of surviving alone on the Red Planet. Build your first shelter, secure vital resources, grow food, research new technologies, and explore the hostile Martian landscape. Your survival starts here.

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Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.