ARUS-1 combines first-person survival with building a Mars colony. Play solo or in online co-op with up to 4 players. Explore on foot and by rover, secure power, water and oxygen, connect production facilities and research technologies for your orbital programme.

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About ARUS-1

Your foothold on Mars

ARUS-1 combines first-person survival with building a Mars colony. Explore ARUS Valley, secure power, water and oxygen, and turn your landing site into a connected outpost.

On Mars, solo or together

Play in single-player or online co-op with up to four players. Explore Mars together, expand your colony and keep its supply networks running.

Explore. Build. Sustain.

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Explore the Martian surface on foot and by rover.
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Build habitats and production facilities, then connect them into working supply networks.
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Research new technologies and prepare your own satellite missions.

The game is in development. More glimpses will follow.

Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.

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