M.A.S.S. Builder

M.A.S.S. Builder

PC (Microsoft Windows)

Vermillion Digital · Published by Sekai Project

Released September 14, 2025

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.

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Genres

Role-playing (RPG) Strategy Indie

Themes

Action Science fiction

Game Modes

Single player Multiplayer Co-operative

Companies

Vermillion Digital (Developer) Sekai Project (Publisher)

Links

Discord Facebook YouTube Twitter Steam Official itch.io Twitch

Also Known As

MASS Builder · MASS_Builder.exe