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

Zombie Panic! Source has 10 players on Steam right now, with a 24-hour peak of 29 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 depot recorded for this app, sized by its current public manifest.

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Depot ID	Name	Platform	Language	Size on disk	Download size	Current manifest	Status
17501	—	All platforms	—	7.24 GB