English
About the game
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.
M.A.S.S. Builder
where to buy cheaper: prices at 2 stores, Steam RU and KZ
Vermillion Digital · released 14 September 2025 · Steam 85 % positive
All-time low: 345 ₽ · Donatella · 29 October 2026 · price history
The Steam wallet is topped up through top-up services: their fee is already included in the true price above.
Steam account region
Russia
Kazakhstan- 64-разрядные процессор и операционная система
- ОС *: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- Процессор: Intel Core i5 or better / AMD Phenom II X3 or better
- Оперативная память: 8 GB ОЗУ
- Видеокарта: NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
- Место на диске: 3 GB
- Звуковая карта: DirectSound Compatible
- Рекомендованные:
- 64-разрядные процессор и операционная система
No separately priced editions or DLC at the stores yet.
The company is named on the site, there is an offer agreement, Russian cards or SBP are accepted, and we found no systematic complaints about undelivered goods.
This is an observation based on public data, not a guarantee.
How we assess reputationMore about the store
Reputation: averageCompany details or the offer agreement are not disclosed, or the item is sold by a third-party seller. We found no systematic complaints, but check the key region and refund terms before buying.
This is an observation based on public data, not a guarantee.
How we assess reputationMore about the store
Reputation: lowThere are systematic complaints about undelivered keys or account bans. If you buy here, keep the receipt and correspondence.
This is an observation based on public data, not a guarantee.
How we assess reputationMore about the store
Offers
| Store | Listing type | Activation region | Payment | Price | True price | Updated | |
|---|---|---|---|---|---|---|---|
| Donatella Standard Edition | Ключ Steam |
Global |
СБП
|
345 ₽ | 345 ₽ | 16 hours ago | Go to store |
| Steam Россия Standard Edition | to your library |
РФ и СНГ |
—
|
616 ₽ −30 % | 659 ₽ incl. 7 % top-up fee | 1 hour ago | On Steam |
| Steam Казахстан Standard Edition | to your library |
Казахстанnot for your region |
—
|
4 480 ₸ −30 % | 795 ₽ at Bank of Russia rate, excl. cost of getting it | 1 hour ago | On Steam |
True price includes the top-up fee and the exchange rate, so you compare like with like.
Price history
- Stores, best price
- Steam Russia incl. top-up
- Steam Kazakhstan in ₽
We have been collecting prices for this game since 23 October 2026, so the lines are still almost flat: the history will become clearer in a couple of weeks.
Prices as a table
| When | Stores, best price | Steam Russia incl. top-up | Steam Kazakhstan in ₽ |
|---|---|---|---|
| 26 October 2026, 20:01 | 345 ₽ | 659 ₽ | 805 ₽ |
| 25 October 2026, 19:05 | 345 ₽ | 942 ₽ | 1 164 ₽ |
| 23 October 2026, 02:32 | — | 942 ₽ | 1 164 ₽ |
How to buy from Russia
FAQ
Where is M.A.S.S. Builder cheapest right now?
As a key at Donatella for 345 ₽, activating on a Russian account. On Steam for Russia, including the wallet top-up fee, it comes to 659 ₽.
Can M.A.S.S. Builder be activated in Russia?
Yes. The game is sold on Russian Steam, and keys with the “Russia & CIS” and “Global” regions activate on a Russian account.
When was M.A.S.S. Builder at its lowest price?
The all-time low for keys is 345 ₽: Donatella, 29.10.2026.
How much is M.A.S.S. Builder on Steam Kazakhstan?
About 795 ₽ at the Bank of Russia rate. You need a Kazakhstan-region account with a KZ wallet, or a gift from a friend in Kazakhstan.