M.A.S.S. Builder cover

M.A.S.S. Builder

Main Game
Role-playing (RPG) Strategy Indie Action Science fiction

M.A.S.S. Builder is a Role-playing (RPG) / Strategy game released on September 14, 2025 for PC (Microsoft Windows). 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…

80
User Score
1 ratings
Very Positive
3,731 reviews
September 14, 2025
Released 396 days ago
PC (Microsoft Windows)

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.

Storyline

“A future in where humans lived a prosperous century and technology advancing beyond space and time,” that was what humanity should have been if not for the sudden appearance of unknown beasts of the void. A large portion of humanity were gone in the moment. War for the survival of humanity broke off all over the world, changing landscapes and settlements into warzones. Humanity were forced to relocate into shelters and reinvent their technologies into weapons of war, the M.A.S.S. technology.

Screenshots

Artwork

Videos

Trailer

Trailer

In-Development Gameplay

Release Dates by Platform

PC (Microsoft Windows) Worldwide
Sep 13, 2019
PC (Microsoft Windows) Worldwide
Sep 14, 2025

Game Info

Developer
Vermillion Digital
Publisher
Sekai Project
Engine
Unreal Engine 4
Game Modes
Single player, Multiplayer, Co-operative
Perspective
Third person
Genres
Role-playing (RPG) Strategy Indie
Themes
Action Science fiction

Languages

Text / Subtitles
Japanese, Thai, English, Chinese (Simplified), Japanese, English, Chinese (Traditional)

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