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Project Blue Book: Hidden Mysteries image

Buy Project Blue Book: Hidden Mysteries PC

March 15, 2021 • Adventure Indie

Looking for best cheap deal on Project Blue Book: Hidden Mysteries Steam key? Gamescade compares 5 offers from 5 digital game stores, making it easier to find the right edition and deal. The lowest listed price is currently $3.86 at Eneba. Offers were last updated 1 hour ago. Before buying, check the edition, activation, and region.

From: $4.27
$3.86 -9%

Platform:

Platform:

Project Blue Book: Hidden Mysteries image

About Project Blue Book: Hidden Mysteries

Game Specifications

Release date
March 15, 2021 (5 years ago)
Platform
  • Windows
Languages
English

System Requirements

Windows

Minimum

  • OS *: Windows 7 (64-bit version)
  • Processor: 1.5 Ghz
  • Memory: 2 GB RAM
  • Graphics: 512 MB
  • DirectX: Version 9.0
  • Additional Notes: Storage 1.5 GB

Price History

All-Time Low: Fanatical · May 18, 2026
$2.93

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Frequently asked questions about Project Blue Book: Hidden Mysteries

What is the cheapest price for Project Blue Book: Hidden Mysteries Steam key?

The cheapest redeemable Steam key currently listed is $3.86 at Eneba. Prices were last checked on November 14, 2026.

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What is the difference between key and account offers for Project Blue Book: Hidden Mysteries?

Gamescade currently lists 5 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.

View key offers
What are the PC system requirements for Project Blue Book: Hidden Mysteries?

Minimum PC requirements for Project Blue Book: Hidden Mysteries include a 1.5 Ghz CPU, 2 GB RAM, and a GPU with 512 MB. See the full requirements below.

What is the Project Blue Book: Hidden Mysteries release date?

Project Blue Book: Hidden Mysteries was released on March 15, 2021.

Where can Project Blue Book: Hidden Mysteries offers be activated?

Current Project Blue Book: Hidden Mysteries key offers can be activated on Steam. Check the retailer page for region restrictions before buying.

Which platforms have active Project Blue Book: Hidden Mysteries deals?

Gamescade currently lists active Project Blue Book: Hidden Mysteries deals for PC.

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Project Blue Book: Hidden Mysteries
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