How many people are playing Monster Lab Simulator right now?

Monster Lab Simulator is app 3994610 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Monster Lab Simulator?

601 concurrent players on Feb 2026.

When was Monster Lab Simulator released on Steam?

Monster Lab Simulator was released on Steam on 13 Feb 2026.

Status

SteamPeaks

Monster Lab Simulator

GameApp ID 3,994,610by Round 3 StudiosReleased 13 Feb 2026

WindowsEngine —

View on SteamSteamCompare

App ID3,994,610

Release date13 Feb 2026

Engine—

Install size4.40 GB

TypeGame

Last update13 Apr 2026

Steam DeckPlayable

DLC0

DeveloperRound 3 Studios

Changenumber38,642,917

Price—

Packages0

PublisherRound 3 Studios

SystemsWindows

Followers—

Depots1

Compare this game

Monster Lab Simulator

Round 3 Studios
Released 13 Feb 2026·App 3994610

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

Last seen

Sampled 35 minutes ago · not a live figure

—of peak

All-time peak

601

Feb 2026

Update history

A permanent record of every observed change.

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Monster Lab Simulator Update History · SteamPeaks

5 Sep 2026

03:25:10PICSPublic manifest changed+175——#38,621,195

Recorded change · 5 Sep 2026, 03:25:10 UTCView all 175

Status	Key	Previous value	New value
Added	Download size on publicdepots.3994611.manifests.public.download	—	1.87 GB2004960288
Added	Manifest on publicdepots.3994611.manifests.public.gid	—	11795862404122352
Added	Size on disk on publicdepots.3994611.manifests.public.size	—	4.40 GB4721481586

Raw values