How many people are playing Half-Life Arena right now?

Half-Life Arena is app 3771220 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Half-Life Arena?

0 concurrent players on 15 Sep 2026.

Half-Life Arena was released on Steam on 12 Dec 2025.

Every depot recorded for this app, sized by its current public manifest.

Export

Depot ID	Name	Platform	Language	Size on disk	Download size	Current manifest	Status
3771221	—	All platforms	—	726 MB	267 MB