M.A.S.S. Builder
Very Positive · 3.7k
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.
AIBuild your battle suit
AIAn action RPG: customize your mech suit and fight off an alien invasion. For mech and character-customization fans.
Game info
ControllerFull controller support
Steam DeckSteam Deck Playable
GenresAction · Indie · RPG · Strategy
Release dateSep 14, 2025
LanguagesEnglish, Japanese, Simplified Chinese, Thai, Traditional Chinese
Price$24.99
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Ratings
All Reviews
Very Positive
85% of the 3,727 user reviews for this game are positive.
Positive 3,168Negative 559
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