
M.A.S.S. Builder












Reviews
Steam
Very Positive
(3,729)
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.
Community

Official discord server for Sekai Project, a publisher of Visual Novels and more!
3,900 Online
15,327 Members
Reviews
Steam
Very Positive
(3,729)
Details
- Genre
- Role-PlayingStrategyIndie
- Publisher
- Sekai Project
- Developer
- Vermillion Digital
- Release Date
- September 14, 2025
- Platform
- Desktop
- Social
- Game Metadata By
- IGDB



