How many people are playing Undersea Post Office Sim Demo right now?

Undersea Post Office Sim Demo has 2 players on Steam right now, with a 24-hour peak of 3 and an all-time peak of 5 on 28 Sep 2026.

What is the all-time peak player count of Undersea Post Office Sim Demo?

5 concurrent players on 28 Sep 2026.

Undersea Post Office Sim Demo was released on Steam on 27 Sep 2026.

DemoApp ID 5,270,430by NurRamReleased 27 Sep 2026

Playing now

Launch peak so far

19:32 UTC · 20 Oct 2026steampeaks.com

WindowsEngine —

Undersea Post Office Sim Demo

Steam user reviews

Not enough reviews yet

7 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Playing now

+2 vs. yesterday

40%of peak

Launch peak so far

11:07 UTC

Launch

Unlocked 27 Sep 2026, 17:00 UTC

23 days ago · tracking every five minutes

Regional unlocks · UTC

Global unlock

Live standing

Launch peak 5 so far

Hour 554 of the launch window

Subs that grant this app

1 packages

Sub ID	Name	Billing	Licence
1822466	—	12	1

Undersea Post Office Sim Demo Packages · SteamPeaks