How many people are playing Security 51 right now?

Security 51 has 41 players on Steam right now, with a 24-hour peak of 65 and an all-time peak of 1,003 on Aug 2026.

What is the all-time peak player count of Security 51?

1,003 concurrent players on Aug 2026.

Security 51 was released on Steam on 12 Aug 2026.

GameApp ID 4,246,860by AlawarReleased 12 Aug 2026

Windows · macOSEngine —

A permanent record of every observed change.

Export

Security 51 Update History · SteamPeaks

Showing keys matching the filter · 2 events on this page have no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

3 Sep 2026

14:41:09PICSPublic manifest changed—~9—#38,574,838

Recorded change · 3 Sep 2026, 14:41:09 UTCView all 9

Status	Key	Previous value	New value
Depot 4246861
Edited	Download size on publicdepots.4246861.manifests.public.download	165.7 MB173724080	165.9 MB173966016+236 KB
Edited	Manifest on publicdepots.4246861.manifests.public.gid	8733550869773095015	7048812221136188527
Edited	Size on disk on publicdepots.4246861.manifests.public.size	2.15 GB2303242612	2.15 GB2304091616+829 KB
Depot 4246862
Edited	Download size on publicdepots.4246862.manifests.public.download	197.5 MB207141728	197.9 MB207484944+335 KB
Edited	Manifest on publicdepots.4246862.manifests.public.gid	7875674259963482049	4680085012104017282
Edited	Size on disk on publicdepots.4246862.manifests.public.size	2.28 GB2450890939	2.28 GB2451879335+965 KB