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About the game
An indie edutainment game about mathematics and war. Use various mathematical functions to plot the trajectory of your shots and fulfill your duty as a soldier.
Cartesian Battle
where to buy cheaper: prices at 1 store, Steam RU and KZ
Papitas Studio · released 30 June 2026 · Steam 100 % 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 10 (64-bit)
- Процессор: Dual Core 2.0 GHz
- Оперативная память: 4 GB ОЗУ
- Видеокарта: DirectX 11 compatible graphics card
- DirectX: версии 11
- Место на диске: 140 MB
- Рекомендованные:
- ОС: Windows 10 or Windows 11 (64-bit)
- Процессор: Quad Core 2.5 GHz or higher
- Оперативная память: 8 GB ОЗУ
- Видеокарта: DirectX 11 compatible graphics card or better
- DirectX: версии 11
- Место на диске: 140 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 |
—
|
200 ₽ | 214 ₽ incl. 7 % top-up fee | 20 hours ago | On Steam |
| Steam Казахстан Standard Edition | to your library |
Казахстанnot for your region |
—
|
1 500 ₸ | 268 ₽ at Bank of Russia rate, excl. cost of getting it | 20 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 25 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 ₽ |
|---|---|---|
| 25 October 2026, 11:53 | 214 ₽ | 270 ₽ |
How to buy from Russia
FAQ
Where is Cartesian Battle cheapest right now?
Directly on Steam for Russia for 200 ₽, or 214 ₽ including the wallet top-up.
Can Cartesian Battle 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 Cartesian Battle on Steam Kazakhstan?
About 268 ₽ at the Bank of Russia rate. You need a Kazakhstan-region account with a KZ wallet, or a gift from a friend in Kazakhstan.