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.
Each input wears a grade, S to D, read from the buyer's side. The color is the direction: green raises the score, red lowers it, grey sits neutral. ▼ marks a dock, ? a missing input, • a fact this genre's score does not use. The exact weights stay secret. These are the inputs and the direction each pushes.
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Skip · RPG · 2025
SKIP IT.
Skip it at $24.99. The value isn't there.
$24.99
Better value than 72% of RPG games
The verdict is built to be quoted. Copy the line, or embed the live badge.
M.A.S.S. Builder scores 43/100 on the BANG Score (a skip). The BANG Score rates what a game is worth for the money. Via Steam BANGERS. https://steamBANGERS.com/game/956680/m-a-s-s-builder<a href="https://steamBANGERS.com/game/956680/m-a-s-s-builder"><img src="https://steambangers.com/api/badge/956680" alt="BANG Score" width="340" height="80"></a>[](https://steamBANGERS.com/game/956680/m-a-s-s-builder)The BANG Score is one number for value, 0 to 100: price against how it reviews and how long it was built to be. It rates value, not taste. Whether it is for you is on you. How the score is computed → Data · updated 4h ago.
Low $17.49High $24.99Now $24.99
PricePrice history via IsThereAnyDeal.
The lowest price on record is $17.49, set in December 2025. It has been discounted 55 times in the 7 years tracked here, typically at 15 percent off, with about 6 weeks between sales.
No data upstream: critic score (Metacritic), achievement curve (Steam global achievements).