How many people are playing Massive Collapse Demo right now?

Massive Collapse Demo has 0 players on Steam right now, with a 24-hour peak of 2 and an all-time peak of 17 on 8 Oct 2026.

What is the all-time peak player count of Massive Collapse Demo?

17 concurrent players on 8 Oct 2026.

When was Massive Collapse Demo released on Steam?

Massive Collapse Demo was released on Steam on 1 Oct 2026.

Status

SteamPeaks

Massive Collapse Demo

DemoApp ID 5,220,590by Modern Mammoth GamesReleased 1 Oct 2026

Playing now

Launch peak so far

07:10 UTC · 16 Oct 2026steampeaks.com

WindowsEngine —

View on SteamSteam

App ID5,220,590

Release date1 Oct 2026

Engine—

Install size4.60 GB

TypeDemo

Last update13 Oct 2026

Steam DeckUnknown

DLC0

DeveloperModern Mammoth Games

Changenumber39,876,758

PriceFree

Packages1

PublisherModern Mammoth Games

SystemsWindows

Followers—

Depots1

Compare this game

Massive Collapse Demo

Modern Mammoth Games
Released 1 Oct 2026·App 5220590

Steam user reviews

Not enough reviews yet

1 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

0.0%of peak

Launch peak so far

00:59 UTC

Launch

Unlocked 1 Oct 2026, 17:00 UTC

15 days ago · tracking every five minutes

Regional unlocks · UTC

Global unlock

Live standing

Launch peak 17 so far

Hour 350 of the launch window

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

3 days

Since last public build

13 Oct 2026, 00:40 UTC

1 day

Median interval

Usually Fri, 01:00–03:00 UTC

Builds in 30 days

0 with patch notes · 8 unannounced

—

Downloaded in 30 days

Not quiet · on schedule

All 8 builds since 2026 · UTC

When Modern Mammoth Games ships

Click a cell to filter the builds table

0369121518

Massive Collapse Demo Patches · SteamPeaks

Massive Collapse Demo

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
13 Oct 2026	Tue	00:40	No patch notes · unannounced build	25895711	public	1	—
10 Oct 2026	Sat	01:01	No patch notes · unannounced build	25842665	public	1	—
7 Oct 2026	Wed	01:40	No patch notes · unannounced build	25766844	public	1	—
5 Oct 2026	Mon	01:04	No patch notes · unannounced build	25718270	public	1	—
3 Oct 2026	Sat	17:20	No patch notes · unannounced build	25699082	public	1	—
2 Oct 2026	Fri	10:30	No patch notes · unannounced build	25674677	public	1	—
2 Oct 2026	Fri	03:21	No patch notes · unannounced build	25668312	public	1	—
1 Oct 2026	Thu	03:52	No patch notes · unannounced build	25644137	public	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 8 of 8 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Massive Collapse Demo

When Modern Mammoth Games ships

Massive Collapse Demo

When Modern Mammoth Games ships

Patch notes

Builds