How many people are playing Mastema: Out of Hell right now?

Mastema: Out of Hell is app 595550 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Mastema: Out of Hell?

1 concurrent players on 13 Sep 2026.

Mastema: Out of Hell was released on Steam on 3 Mar 2017.

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
595551	—	Windows	—	55.8 MB	54.9 MB