How many people are playing Systematic Immunity right now?

Systematic Immunity is app 395100 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Systematic Immunity?

36 concurrent players on Sept 2016.

Systematic Immunity was released on Steam on 20 May 2016.

GameApp ID 395,100by Hedge Knight GamesReleased 20 May 2016

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Systematic Immunity Update History · SteamPeaks

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Time (UTC)SourceWhat changedAddedEditedRemovedReference

5 Sep 2026

07:02:13PICSPublic manifest changed+107——#34,830,465

Recorded change · 5 Sep 2026, 07:02:13 UTCView all 107

Status	Key	Previous value	New value
Depots · 5
Added	Operating systemsdepots.477830.config.oslist	—	windows
Added	DLC appdepots.477830.dlcappid	—	477830
Added	Download size on publicdepots.477830.manifests.public.download	—	19.9 MB20848112
Added	Manifest on publicdepots.477830.manifests.public.gid	—	5414476909819016228
Added	Size on disk on publicdepots.477830.manifests.public.size	—	20.4 MB21435863
Store · 1
Added	DLC listextended.listofdlc	—	477830