How many people are playing M.A.S.S. Builder right now?

M.A.S.S. Builder has 12 players on Steam right now, with a 24-hour peak of 20 and an all-time peak of 480 on Jul 2020.

What is the all-time peak player count of M.A.S.S. Builder?

480 concurrent players on Jul 2020.

M.A.S.S. Builder was released on Steam on 15 Sep 2025.

GameApp ID 956,680by Vermillion DigitalReleased 15 Sep 2025

WindowsEngine —

App ID956,680

Release date15 Sep 2025

Engine—

Install size10.1 GB

TypeGame

Last update21 Sep 2025

Steam Deck—

DLC0

DeveloperVermillion Digital

Changenumber38,342,058

Price$24.99

Packages0

PublisherSekai Project

SystemsWindows

Followers—

Depots1

M.A.S.S. Builder

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Playing now

+2 vs. yesterday

2.5%of peak

All-time peak

480

Jul 2020

A permanent record of every observed change.

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M.A.S.S. Builder Update History · SteamPeaks