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

Zombie Panic! Source has 12 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.

When was Zombie Panic! Source released on Steam?

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

Zombie Panic! Source Community

Steam features

Community

Official website

WorkshopYes

MarketNo

Trading cardsNo

In-app purchasesNo

AchievementsYes

Remote PlayNo

Steam CloudYes

Family sharingYes

Multi-playerPvPOnline PvPCo-opOnline Co-opModsMods (require HL2)Steam AchievementsSteam WorkshopCamera ComfortPlayable without Timed InputStereo SoundSurround SoundSteam CloudValve Anti-Cheat enabledIncludes level editorIncludes Source SDKFamily Sharing