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About the game
The Devil's Calculator is a new, non-profit math game by the creator of Synonymy that proves a sophisticated, challenging and educational indie puzzler for numberphiles and lovers of logic and brain teasers
The Devil's Calculator
where to buy cheaper: prices at 1 store, Steam RU and KZ
Christopher Cinq-Mars Jarvis · released 18 February 2019 · Steam 95 % positive
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- ОС *: Windows 7 and later
- Процессор: An Intel Pentium 4 processor or later that's SSE2 capable.
- Оперативная память: 512 MB ОЗУ
- Место на диске: 320 MB
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 | |
|---|---|---|---|---|---|---|---|
| Steam Россия Standard Edition | to your library |
РФ и СНГ |
—
|
125 ₽ | 134 ₽ incl. 7 % top-up fee | 3 hours ago | On Steam |
| Steam Казахстан Standard Edition | to your library |
Казахстанnot for your region |
—
|
890 ₸ | 159 ₽ at Bank of Russia rate, excl. cost of getting it | 3 hours ago | On Steam |
True price includes the top-up fee and the exchange rate, so you compare like with like.
Price history
- 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 | Steam Russia incl. top-up | Steam Kazakhstan in ₽ |
|---|---|---|
| 23 October 2026, 02:32 | 134 ₽ | 162 ₽ |
How to buy from Russia
FAQ
Where is The Devil's Calculator cheapest right now?
Directly on Steam for Russia for 125 ₽, or 134 ₽ including the wallet top-up.
Can The Devil's Calculator 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.
How much is The Devil's Calculator on Steam Kazakhstan?
About 159 ₽ at the Bank of Russia rate. You need a Kazakhstan-region account with a KZ wallet, or a gift from a friend in Kazakhstan.