How many people are playing Sea of Tranquility Demo right now?

Sea of Tranquility Demo is app 4098780 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Sea of Tranquility Demo?

0 concurrent players on 13 Sep 2026.

Sea of Tranquility Demo was released on Steam on 25 Oct 2025.

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
4098781	—	Windows	—	3.61 GB	3.34 GB