Mercury Fallen

A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.

Developer: Nitrous Butterfly. Publisher: indie.io.

Tags: Solo, 3D, Sci-fi, Management.

Steam reviews: Very Positive (81% of 287).

Price: $24.99.

Released 2023-08-22.

Last updated 2026-06-25.

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