English
About the game
It’s 1952, and the U.S. Air Force is operating a top-secret investigation: Project Blue Book. As a newly recruited agent, it’s your job to uncover the truth behind these real declassified UFO sightings. Test your observation and investigation skills in this out-of-this-world hidden object adventure!
Project Blue Book: Hidden Mysteries
where to buy cheaper: prices at 8 stores, Steam RU and KZ
Three Gatesreleased 15 March 2021Steam 50 % positive
All-time low: 83 ₽Steampay9 November 2026price history
The Steam wallet is topped up through top-up services: their fee is already included in the true price above.
Russia
Kazakhstan- ОС *: Windows 7 (64-bit version)
- Процессор: 1.5 Ghz
- Оперативная память: 2 GB ОЗУ
- Видеокарта: 512 MB
- DirectX: версии 9.0
- Дополнительно: Storage 1.5 GB
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 | |
|---|---|---|---|---|---|---|---|
| Steampay Standard Edition | Ключ Steam | РФ и СНГ |
Payment
МИРVisaMastercardСБП+3
|
best price
83 ₽
−53 %
|
true price
83 ₽
|
2 days ago | Go to store |
| GabeStore Standard Edition | Ключ Steam | РФ и СНГ |
Payment
МИРVisaMastercardЮKassa
|
price
89 ₽
−49 %
5 days ago
|
true price
89 ₽
|
5 days ago | Go to store |
| Zaka-Zaka Standard Edition | Ключ Steam | РФ и СНГ |
Payment
—
|
price
115 ₽
−34 %
|
true price
115 ₽
|
1 day ago | Go to store |
| Игры Ростелеком Standard Edition | Ключ Steam | РФ и СНГ |
Payment
СБПКартаСчёт Ростелекома
|
price
123 ₽
−30 %
|
true price
123 ₽
|
2 days ago | Go to store |
| Бука Standard Edition | Ключ Steam | РФ и СНГ |
Payment
МИРVisaMastercardСБП+3
|
price
175 ₽
4 days ago
|
true price
175 ₽
|
4 days ago | Go to store |
| Яндекс Игры Standard Edition | Ключ Steam | РФ и СНГ |
Payment
КартаСБП
|
price
175 ₽
|
true price
175 ₽
|
1 day ago | Go to store |
| Gamerilla Standard Edition | Ключ Steam | РФ и СНГ |
Payment
МИРVisaMastercard
|
price
186 ₽
1 week ago
|
true price
186 ₽
|
1 week ago | Go to store |
| Steam Россия Standard Edition | to your library | РФ и СНГ |
Payment
—
|
price
175 ₽
|
true price
187 ₽
incl. 7 % top-up fee
|
2 hours ago | On Steam |
| Steam Казахстан Standard Edition | to your library | Казахстанnot for your region |
Payment
—
|
price
1 400 ₸
|
true price
254 ₽
at Bank of Russia rate, excl. cost of getting it
|
2 hours 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 ₽
Prices as a table
| When | Stores, best price | Steam Russia incl. top-up | Steam Kazakhstan in ₽ |
|---|---|---|---|
| 5 November 2026, 07:36 | 83 ₽ | 187 ₽ | 255 ₽ |
| 30 October 2026, 23:02 | 83 ₽ | 187 ₽ | 255 ₽ |
| 30 October 2026, 12:02 | 83 ₽ | 187 ₽ | 255 ₽ |
| 28 October 2026, 01:43 | 83 ₽ | 187 ₽ | 255 ₽ |
| 27 October 2026, 23:17 | 83 ₽ | 187 ₽ | 255 ₽ |
| 26 October 2026, 06:51 | 115 ₽ | 187 ₽ | 255 ₽ |
| 24 October 2026, 12:36 | 175 ₽ | 187 ₽ | 255 ₽ |
| 23 October 2026, 04:14 | — | 187 ₽ | 255 ₽ |
How to buy from Russia
FAQ
Where is Project Blue Book: Hidden Mysteries cheapest right now?
As a key at Steampay for 83 ₽, activating on a Russian account. On Steam for Russia, including the wallet top-up fee, it comes to 187 ₽.
Can Project Blue Book: Hidden Mysteries 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 Project Blue Book: Hidden Mysteries at its lowest price?
The all-time low for keys is 83 ₽: Steampay, 09.11.2026.
How much is Project Blue Book: Hidden Mysteries on Steam Kazakhstan?
About 254 ₽ at the Bank of Russia rate. You need a Kazakhstan-region account with a KZ wallet, or a gift from a friend in Kazakhstan.