English
About the game
Principia: Master of Science is a simulation game with the theme of European science in 17th century. Choose one of 12 real scientists from the era of Isaac Newton and proceed with your research. It is a time when even the term "Science" did not exist. Who can be the master of science?
PRINCIPIA: Master of Science
where to buy cheaper: prices at 1 store, Steam RU and KZ
tomeapp · released 9 September 2016 · Steam 69 % 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 7/8/8.1/10 32/64bit
- Процессор: Intel Core 2 Duo or greater
- Оперативная память: 256 MB ОЗУ
- Видеокарта: Intel HD Graphics 4000 or greater
- DirectX: версии 9.0
- Место на диске: 100 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 |
—
|
249 ₽ | 266 ₽ incl. 7 % top-up fee | 1 day ago | On Steam |
| Steam Казахстан Standard Edition | to your library |
Казахстанnot for your region |
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|
1 850 ₸ | 328 ₽ at Bank of Russia rate, excl. cost of getting it | 1 day 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, 00:56 | 266 ₽ | 336 ₽ |
How to buy from Russia
FAQ
Where is PRINCIPIA: Master of Science cheapest right now?
Directly on Steam for Russia for 249 ₽, or 266 ₽ including the wallet top-up.
Can PRINCIPIA: Master of Science 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 PRINCIPIA: Master of Science on Steam Kazakhstan?
About 328 ₽ at the Bank of Russia rate. You need a Kazakhstan-region account with a KZ wallet, or a gift from a friend in Kazakhstan.