How many people are playing Substructure Playtest right now?

Substructure Playtest has 1 players on Steam right now, with a 24-hour peak of 2 and an all-time peak of 3 on 24 Sep 2026.

What is the all-time peak player count of Substructure Playtest?

3 concurrent players on 24 Sep 2026.

When was Substructure Playtest released on Steam?

Substructure Playtest was released on Steam on 27 Jan 2026.

Status

SteamPeaks

Substructure Playtest

BetaApp ID 4,156,950Released 27 Jan 2026

Playing now

All-time peak

20:09 UTC · 6 Oct 2026steampeaks.com

View on SteamSteamCompare

App ID4,156,950

Release date27 Jan 2026

Engine—

Install size148 MB

TypeBeta

Last update5 Mar 2026

Steam Deck—

DLC0

Developer—

Changenumber39,305,160

Price—

Packages0

Publisher—

SystemsWindows · Linux

Followers—

Depots2

Compare this game

Substructure Playtest

Released 27 Jan 2026·App 4156950

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

33%of peak

All-time peak

24 Sep 2026

Update cadence · public branch

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PICS live

215 days

Since last public build

5 Mar 2026, 10:14 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2026 · UTC

When it ships

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036912151821

Substructure Playtest Patches · SteamPeaks

Substructure Playtest

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
5 Mar 2026	Thu	10:14	No patch notes · unannounced build	22210429	public	2	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Substructure Playtest

When it ships

Substructure Playtest

When it ships

Patch notes

Builds