How many people are playing S21 right now?

S21 is app 4953120 on Steam. Player counts appear once the tracker has sampled it.

S21

GameApp ID 4,953,120by Hanging Gardens InteractiveReleases To be announced

Playing now

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All-time peak

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WindowsEngine —

App ID4,953,120

Release dateTo be announced

Engine—

Install size—

TypeGame

Last update5 Nov 2026

Steam DeckUnknown

DLC0

Changenumber40,225,586

Price—

Packages0

SystemsWindows

Followers—

Depots0

S21

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Playing now

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First samples arriving

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All-time peak

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Tracking since the first sample

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

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No depots recorded for this app yet. Depots appear as their changelists arrive.

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