M.A.S.S. Builder
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M.A.S.S. Builder

GS APP ID75431Release9/14/2025DeveloperVermillion DigitalPublisherSekai Project

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.

gS70
Steam86%
Meta0
IGDB80
LB4.5
❤️0

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M.A.S.S. Builder Guides, Korean Patches & Downloads

Browse community guides, walkthroughs, Korean patches, trainers, save files and downloads for M.A.S.S. Builder — all gathered in one place at GameWorld. Pick a popular guide or resource below to jump right in. M.A.S.S. Builder is also known as 매스빌더, MASS빌더.

Popular guides

Detailed Description

“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.

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.


Key Features

  • Customize your own M.A.S.S. without the worry of using cool looking armors with low stats, all parts don't have stats!
  • Fast paced movement through the battlefield with boosters for you to move around and attack through your enemies.
  • Fight against hordes of beastly aliens called Quarks, and giant ones that will aggressively hunt you down.
  • Pick how your weapon looks and shoots with hundreds of parts available to mix and match.
  • A world compelling and rich with information for you to immerse yourself in.

Latest Resources

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Latest News

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Genres & Categories

ActionIndieRPGStrategyRPGSingle-playerMulti-playerCo-opOnline Co-opFull controller supportSteam CloudFamily Sharing

Screenshots

스크린샷 1스크린샷 2스크린샷 3스크린샷 4

M.A.S.S. Builder FAQ

When was M.A.S.S. Builder released?

M.A.S.S. Builder was released on 9/14/2025.

Is M.A.S.S. Builder a good game?

M.A.S.S. Builder has 86% positive Steam reviews based on 3,714 reviews.

What is the GameWorld (gS) score of M.A.S.S. Builder?

M.A.S.S. Builder has a GameWorld (gS) score of 70 out of 100, aggregated from Steam, IGDB, Metacritic and more.

What genre is M.A.S.S. Builder?

M.A.S.S. Builder is a Action, Indie, RPG, Strategy, RPG game.

Who developed M.A.S.S. Builder?

M.A.S.S. Builder was developed by Vermillion Digital and published by Sekai Project.

Does M.A.S.S. Builder support multiplayer?

M.A.S.S. Builder supports single-player.

Where can I find guides, Korean patches and downloads for M.A.S.S. Builder?

On the M.A.S.S. Builder page at GameWorld you can browse community guides and download resources (Korean patches, trainers, save files and more), or upload your own.

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