offline accessBuy M.A.S.S. Builder Steam Offline Account
What you get
- Steam account that already owns the game
- Step-by-step offline-mode guide
- Instant automated delivery after payment
- Replacement guarantee if access stops
M.A.S.S. Builder
About 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 rac
Delivered as an offline / shared Steam account — sign in, switch Steam to Offline Mode with our short guide, and play the full game.
Playing M.A.S.S. Builder offline
Pay with crypto
Checkout in USDT, BTC, ETH or LTC — no card needed.
Get the login
We deliver the account that owns the game, automatically, in minutes.
Play offline
Sign in, switch Steam to Offline Mode with our guide, and enjoy the full game.
M.A.S.S. Builder — questions
How do I play M.A.S.S. Builder after buying?
You receive the login for a Steam account that already owns M.A.S.S. Builder. Sign in, switch Steam to Offline Mode using our short guide, and play the full game.
How fast is delivery?
Account details are delivered automatically within minutes of your crypto payment being confirmed.
How do I pay?
Crypto only — USDT, BTC, ETH or LTC. No bank card needed, works from any country.
What if it stops working?
Contact support with your order and we'll replace your access under our guarantee.
