How many people are playing Prosystem right now?

Prosystem is app 1227481 on Steam. Player counts appear once the tracker has sampled it.

When was Prosystem released on Steam?

Prosystem was released on Steam on 2 Dec 2021.

Prosystem Patches · SteamPeaks

Prosystem

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
7 Sep 2026new	Mon	08:25	No patch notes · unannounced build	25163346	nightly	1	—
6 Sep 2026	Sun	08:22	No patch notes · unannounced build	25150019	nightly	—	—
5 Sep 2026	Sat	08:18	No patch notes · unannounced build	25138742	nightly	1	—
4 Sep 2026	Fri	08:17	No patch notes · unannounced build	25119457	nightly	3	—
17 Nov 2025	Mon	22:29	No patch notes · unannounced build	20833956	public	3	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 5 of 5 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds