How many people are playing The Callisto Protocol right now?

The Callisto Protocol has 41 players on Steam right now, with a 24-hour peak of 81 and an all-time peak of 15,556 on Dec 2022.

What is the all-time peak player count of The Callisto Protocol?

15,556 concurrent players on Dec 2022.

The Callisto Protocol was released on Steam on 2 Dec 2022.

GameApp ID 1,544,020by Striking Distance StudiosReleased 2 Dec 2022

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The Callisto Protocol Update History · SteamPeaks

Showing keys matching the filter · 22 events on this page have no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

5 Sep 2026

07:02:13PICSPublic manifest changed+252——#37,447,702

Recorded change · 5 Sep 2026, 07:02:13 UTCView all 252

Status	Key	Previous value	New value
Added	Build ID on publicdepots.branches.public.buildid	—	14745831
Added	Build time on publicdepots.branches.public.timebuildupdated	—	17 Jun 2024, 18:49:40 UTC1718650180
Added	Updated time on publicdepots.branches.public.timeupdated	—	30 Jul 2024, 17:09:22 UTC1722359362