How many people are playing Zombie Panic! Source right now?

Zombie Panic! Source has 33 players on Steam right now, with a 24-hour peak of 35 and an all-time peak of 748 on Jul 2012.

What is the all-time peak player count of Zombie Panic! Source?

748 concurrent players on Jul 2012.

Zombie Panic! Source was released on Steam on 3 Oct 2008.

Every change SteamPeaks has recorded · decoded, with the original values

4 events

5 Sep 20261 event

07:02:1346 hours agoChangelist38,259,556 · 7 depots · store metadata · assets · launch options · cloud saves · localization+263

Change	Key	Before	After
Branches · 3
added	Build ID on publicdepots.branches.public.buildid	—	20602749
added	Build time on publicdepots.branches.public.timebuildupdated	—	30 Oct 2025, 08:46:13 UTC1761813973
added	Updated time on publicdepots.branches.public.timeupdated	—	30 Oct 2025, 20:17:26 UTC1761855446
Depots · 42
Depot 17501
added	manifests.legacy2.4.downloaddepots.17501.manifests.legacy2.4.download	—	3146539632

30 Oct 20251 event

20:17:2610 months agoBuild20602749 · public branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 17501	—	6894309537274172400
manifest	Depot 17502	—	1894950197966786840
manifest	Depot 17503	—	1316047684949839536

15 Oct 20201 event

17:58:136 years agoBuild3811266 · v3.0.9a branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 17501	—	3778295943052895873
manifest	Depot 17502	—	3668184097229691963
manifest	Depot 17503	—	6472346238291939640

30 Sep 20201 event

16:34:476 years agoBuild5567592 · legacy2.4 branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 17501	—	9109974014389854338
manifest	Depot 17502	—	2357577551095190287
manifest	Depot 17503	—	5973047672488890119

Showing 1–4 of 4 events