How many people are playing Mars 2099 right now?

Mars 2099 is app 4953340 on Steam. Player counts appear once the tracker has sampled it.

When was Mars 2099 released on Steam?

Mars 2099 was released on Steam on 16 Sep 2026.

33,233,763 on Steam▼ 4,792,436 9,051,306 in-gameTop now Counter-Strike 2 917,950PICS #38,666,0431,329 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 12:15 UTC

Mars 2099 Patches · SteamPeaks

Mars 2099

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
No builds seen yet. New builds appear the moment a branch changes.

public branch · shipped todayother branchwide buildhas patch notes

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