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

Zombie Panic! Source has 15 players on Steam right now, with a 24-hour peak of 33 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.

37,489,655 on Steam▼ 2,340,097 11,293,038 in-gameTop now Counter-Strike 2 1,182,164PICS #38,670,5641,788 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 15:14 UTC

Zombie Panic! Source Patches · SteamPeaks

Zombie Panic! Source

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
30 Oct 2025	Thu	20:17	No patch notes · unannounced build	20602749	public	3	—
15 Oct 2020	Thu	17:58	No patch notes · unannounced build	3811266	v3.0.9a	3	—
30 Sep 2020	Wed	16:34	No patch notes · unannounced build	5567592	legacy2.4	3	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 3 of 3 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds