MARSTEAD

Build a settlement with crash-landed colonists in this colony simulation. Survive and protect your base from Mars's brutal temperatures and terrifying sandstorms. Trade with other factions to secure resources — or take what you need by force. Every story is yours to shape.

Developed by JJJI STUDIO · Published by JJJI STUDIO

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From the Devs

In the distant future, humanity decides to leave a devastated Earth and migrate to Mars.
The massive colony ship is caught in a solar storm and crashes — you must lead the three settlers who escaped in time and build a new home on Mars.

On Mars, you can never breathe freely without a suit.
Protect your settlers from terrifying sandstorms.
Cooperate with other factions to earn their support.
Defend your base against hostile factions and seize their resources.
Encounter alien factions that show curiosity toward humanity.
Reach a variety of endings through research.
Uncover the mysteries of Mars unknown to humankind.

Back of the Box

Platforms	Windows, macOS
Age ratings	ClassInd (Brazil) 10 — Violência IGRS (Indonesia) 13 — Kekerasan Steam (Germany) 12 — Gewalt
Controller required	No
AI disclosure	Some pre-rendered content was created with generative AI tools and then manually reviewed, selected, and edited by the developer: art assets (store capsule artwork, character and environment sprites) and localized text (Japanese, Simplified Chinese, French, and Russian translations of the game's interface). All game design, code, and original Korean/English text were written by the developer. The game does not generate any content with AI at runtime — there is no live or real-time AI generation.
AI disclosure categories	2D Images Marketing Assets Localization