M.A.S.S. Builder — Steam game overview

Stored observation / content update: 2026-10-26T12:48:41.000Z

Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.