How many people are playing Security 51 right now?

Security 51 has 43 players on Steam right now, with a 24-hour peak of 98 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.

Update cadence · public branch

PICS live

3 days

Since last public build

3 Sep 2026, 14:41 UTC

7 days

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 2 unannounced

—

Downloaded in 30 days

Not quiet · on schedule

All 2 builds since 2026 · UTC

Click a cell to filter the builds table

036912151821

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FewerMorePeak cell: Thu 14:00 · 2 builds

Builds per year

20262

Nothing published yet · from the developer’s Steam news feed

Checked twice a day

This developer has not posted update announcements to Steam, or we have not read their feed yet.

major updatenotes reach back further than our build history, which starts when SteamPeaks began watching the app

Security 51

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
3 Sep 2026	Thu	14:41	No patch notes · unannounced build	25104142	public	—	—
27 Aug 2026	Thu	14:58	No patch notes · unannounced build	24972648	public	—	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 2 of 2 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds