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 1 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.

Massive Collapse Demo

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

Playing now

0

Launch peak so far

17

12:21 UTC · 12 Oct 2026steampeaks.com

WindowsEngine —

Action Shooter Arena Shooter FPS 3D First-Person +14 +16

View on SteamSteam

App ID5,220,590

Release date1 Oct 2026

Engine—

Install size4.59 GB

TypeDemo

Last update10 Oct 2026

Steam DeckUnknown

DLC0

DeveloperModern Mammoth Games

Changenumber39,680,370

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

+0 vs. yesterday

0.0%of peak

Launch peak so far

17

00:59 UTC

Launch

Unlocked 1 Oct 2026, 17:00 UTC

11 days ago · tracking every five minutes

Regional unlocks · UTC

Global unlock

Live standing

Launch peak 17 so far

Hour 259 of the launch window

Steam charts

Playing now

0+0

24-hour peak

1

All-time peak

178 Oct 2026

30-day average

1

Rank right now

#27,439

Updated 12 Oct 2026, 12:21 UTCData by SteamPeaks.com

SteamPeaks.com

Drag across the chart to zoom · double-click to reset

Massive Collapse Demo

Monthly breakdown

Updated 12 Oct 2026, 12:21 UTC

Month	Average	Gain	% Gain	Peak
Oct 2026	1	—	—	17

Share of launch peak · since 1 Oct 2026

Launch retention

Open in CompareUpdated 12 Oct 2026, 12:21 UTC

0.0%

Now · of launch peak

0

Days above 1,000,000 in 2026

17

Weekend peak this week

Milestone	Massive Collapse Demo	Genre median
Launch peak	17	—
Hour 1	—	—
Hour 24	6	—
Hour 72	3	—
Day 7	—	—
Now	0	—

Daily peak · last 14 days	Peak
Thu 1 Oct	12
Fri 2 Oct	7
Sat 3 Oct · weekend	9
Sun 4 Oct · weekend	12
Mon 5 Oct	4
Tue 6 Oct	2
Wed 7 Oct	4
Thu 8 Oct	17
Fri 9 Oct	3
Sat 10 Oct · weekend

Followers · last 12 months

1m 3m 6m 1y All

Daily from the first store poll

Not enough samples yet. The line appears once a few readings are in.

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Followers

—

Last 7 days

—

Last 30 days

—

Most followed rank

Steam store

Store data

Lists refresh every 6 hours

#27,466

Concurrent players rank

Among apps sampled in the last 15 minutes

—

Top sellers rank

Not in the weekly top 100

—

Wishlist activity rank

Wishlist list arrives with the store rankings job

—

Most followed rank

Among apps with a follower count

Twitch viewers · last 7 days

No Twitch category matched yet

No live streams found for this game in the last 7 days, or Twitch has no matching category.

—

Viewers now

—

7-day peak

—

Viewers per 1,000 players

—

Live channels

Estimates · not Steam data

Owner estimates

Calibrated 11 Oct 2026

Every figure here is derived, shown as a range, and links to its method. Steam does not publish owner counts.

Source	Estimated owners	Method	Confidence
SteamPeaks	Free to play: reviews are not sales, so no estimate	Reviews × k, calibrated on announced figures · How it works	—