M.A.S.S. Builder
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.
85.9Rating
0Content
0Achievements
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About This Game
M.A.S.S. Builder is a action/indie game with both single-player and multiplayer modes, developed by Vermillion Digital and released in 2025. With an estimated 133,000 copies sold, it is considered a mid-tier seller on Steam. With 4k reviews on Steam, it stands as a game with a solid review base on Steam. Community ratings across Steam average 85.9/100 — a strong reception overall. Players commonly describe it as Mechs, Action RPG, Character Customization, Robots and Gun Customization.
Media
▶
User Reviews
85.9
Overall Score / 100
8.6/10
Steam (4038 reviews)
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Game Information
Release Date
September 14, 2025
Developer
Vermillion Digital
Publisher
Sekai Project
Platforms
Windows
Controller
Full Support
Price
$24.99
Analytics & Metrics
Copies Sold (VISE)
132.6K
(106.1K - 159.1K) VRI ScoreLearning
81
Not for everyone, but if you like the genre then it's good
VRI (Vorythic Recommendation Index) a single number indicating whether the game is worth your time. Built from game data, putting real players' opinions above progressive 'critics'.
Get the Game
System Requirements
🪟 Windows
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS *: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- Processor: Intel Core i5 or better / AMD Phenom II X3 or better
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
- Storage: 3 GB available space
- Sound Card: DirectSound Compatible
Recommended
Recommended:
- Requires a 64-bit processor and operating system
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