A Role-playing (RPG) game by Vermillion Digital, released in 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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The official download size for M.A.S.S. Builder is 8 GB. Based on current hardware prices, this installation consumes approximately $0.48 worth of SSD storage space.
File Size
Est. SSD Cost
Estimated Time to Install
10 mins
Live player count and server population analysis.
There are currently 12 people playing M.A.S.S. Builder, indicating a niche or private community. Coordinate via Discord for best results.
Manual backup locations for PC, Mac, and Linux.
SteamOS and Linux Proton performance analysis.
Don't let the "Unsupported" tag fool you. While Valve hasn't officially verified M.A.S.S. Builder, ProtonDB users report it runs perfectly (Gold/Platinum rating). You may need to force a specific Proton version.
PC system requirements - Minimum vs Recommended specs.
To run M.A.S.S. Builder smoothly, your PC needs at least 8 GB RAM RAM and a NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better or equivalent GPU. Plan for 8 GB of storage.
Pending critic evaluation. Check back soon for the official verdict.
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