How many people are playing The Sibling Experiment right now?

The Sibling Experiment is app 568300 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of The Sibling Experiment?

1 concurrent players on 26 Sep 2026.

The Sibling Experiment was released on Steam on 25 May 2018.

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
568301	—	All platforms	—	165 MB	93.8 MB