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M.A.S.S. Builder

Source
Steam
App ID
956680
Developer
Vermillion Digital
Publisher
Sekai Project
Released
September 14, 2025
View on Steam

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.

Current US price

Last checked 12 hours ago

2 US price changes since tracking began. Latest: $17.49, 30% off $24.99. Lowest recorded $17.49 on Oct 7 UTC.

US price changes
Date (UTC)Price
Oct 7$17.49, 30% off $24.99
Oct 8$24.99
Oct 27$17.49, 30% off $24.99

Regional Prices

CurrencyPriceDifferenceLowest Recorded
US Dollar USDLast checked 12 hours agoBaseline$17.49
Chinese Yuan CNYLast checked 12 hours ago. Converted at the Oct 27 exchange rate-44.8%CN¥64.40 ($9.66)
Brazilian Real BRLLast checked 12 hours ago. Converted at the Oct 27 exchange rate-44.6%R$51.79 ($9.69)
Euro EURLast checked 12 hours ago. Converted at the Oct 27 exchange rate+9.3%€17.15 ($19.12)