How many people are playing Mercury: Cascade into Madness right now?

Mercury: Cascade into Madness is app 661120 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Mercury: Cascade into Madness?

0 concurrent players on 12 Sep 2026.

Mercury: Cascade into Madness was released on Steam on 10 Aug 2017.

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
661121	—	Windows	—	350 MB	345 MB