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Indie · Role-playing (RPG) · Strategy

M.A.S.S. Builder

About

M.A.S.S. Builder is an Action RPG with players piloting a M.A.S.S. (Mechanical Assault Skeleton Suit) as a commander of a private military company, setting out to help combat the threat of Quarks. You will build, customize, and fight to save the world, or at least, have fun creating and customizing your perfect mechanical suits.

The game features an in-depth customization system that has a clear distinction between equipment that gives status and equipment of pure aesthetics. You will be able to customize everything to suit your playstyle while looking good in this fast-paced mechanical combat.

Developer
Vermillion Digital
Publisher
Sekai Project
Genres
Indie, Role-playing (RPG), Strategy
Platforms

Ways to play

Co-operativeMultiplayerSingle player

Release information

PlatformRegionDate
worldwideSep 14, 2025
worldwideSep 13, 2019