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

M.A.S.S. Builder has 9 players on Steam right now, with a 24-hour peak of 13 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.

Update cadence · public branch

PICS live

351 days

Since last public build

21 Sep 2025, 08:09 UTC

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Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

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Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2025 · UTC

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