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M.A.S.S. Builder Steam Unlock

STEAM KEY

by Vermillion Digital

price$24.99 FREE

releaseSep 14, 2025

publisherSekai Project

platformsWindows

Last unlocked 1 minutes ago

about

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.

genres

Action Indie RPG Strategy

features

Single-player Multi-player Co-op Online Co-op Full controller support Steam Cloud Family Sharing

screenshots