Steam announcementView the game on SifterAugust 27, 2026

4-Player Co-op Launches Monday!

🌱 4-Player Co-op Launches Monday!

Invite up to 3 friends to terraform Mars together in the full campaign.

Shared Progress: Bases, terraforming, research, automation, and story progression are entirely shared.
Personalized Gear: Players keep their own backpacks, equipment, achievements, and custom colors.
Save Compatible: Load your current world directly into co-op with zero restarting. Single-player remains unchanged.

For more details you can read up FAQ.

See you on Mars 🌱

— Pretty Soon

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