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Biosphere-3 is app 5128920 on Steam. Player counts appear once the tracker has sampled it.

Biosphere-3

GameApp ID 5,128,920Released —

Windows · macOSEngine —

App ID5,128,920

Release date—

Engine—

Install size—

TypeGame

Last update9 Sep 2026

Steam Deck—

DLC0

Developer—

Changenumber38,725,035

Price—

Packages0

Publisher—

SystemsWindows · macOS

Followers—

Depots0

Biosphere-3

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0 so far · summary at 10

SteamPeaks Rating

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Rated from 10 reviews

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Biosphere-3 Packages · SteamPeaks