PC Games > Hidden Object Adventure Games > Project Blue Book: Hidden Mysteries
Project Blue Book: Hidden Mysteries
It’s your chance to investigate flying saucers in the world's first Unidentified Flying (Hidden) Object Game! As a newly recruited agent, it’s your job to uncover what lies behind the real declassified UFO sightings.

Project Blue Book: Hidden Mysteries is based on HISTORY’s hit drama series PROJECT BLUE BOOK, exploring the historical Top-Secret investigations into UFOs conducted by the U.S. Air Force between 1952 and 1969.
  • Challenge your observation and deduction skills!
  • Solve chilling mysteries!
  • Hundreds of hidden object scenes and minigames!
  • Speak with Dr. J. Allen Hynek (played by Aidan Gillen from “Game Of Thrones”) and Captain Michael Quinn (played by Michael Malarkey from “The Vampire Diaries”)!
Game System Requirements

OS: Windows 7/Windows 8/Windows 10

CPU: 1.6 GHz

RAM: 2048 MB

DirectX: 9

Hard Drive: 990 MB

Big Fish Games App System Requirements

Browser: Internet Explorer 7 or later

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Project Blue Book: Hidden Mysteries

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Project Blue Book: Hidden Mysteries

Project Blue Book: Hidden Mysteries

Investigate UFOs in this chilling hidden object game!

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