M.A.S.S. Builder
- Source
- Steam
- App ID
- 956680
- Developer
- Vermillion Digital
- Publisher
- Sekai Project
- Released
- September 14, 2025
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.