Project Blue Book The Game: Hidden Mysteries

Contains adsIn-app purchases
4.0
173 reviews
10K+
Downloads
Content rating
Everyone
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About this game

Search for clues and investigate real declassified UFO cases to find the truth!

Project Blue Book The Game: Hidden Mysteries is the official, free-to-play, hidden object adventure game based on HISTORY’s hit drama series PROJECT BLUE BOOK, created by David O'Leary, and executive produced by Academy Award and Golden Globe® winner Robert Zemeckis. The series explores the historical, Top Secret investigations into UFOs conducted by the U.S. Air Force between 1952 and 1969. 

In Project Blue Book The Game: Hidden Mysteries, you will start off as a newly recruited agent in Project Blue Book during the 1950s, under the guidance of the show's lead investigators, Dr. J. Allen Hynek (played by Aidan Gillen from “Game Of Thrones”), and Captain Michael Quinn (played by Michael Malarkey from “The Vampire Diaries”), and begin to investigate real declassified UFO investigations to find the truth! 

Hundreds of puzzles, witness interviews and hidden object scenes will challenge your observation and deduction tactics as you investigate alongside your favorite characters into many of the cases you loved from the series, uncover exclusive new content, and explore new cases that can only be found in the game! The game's story is written by bestselling science-fiction writer and award-winning game writer Steven-Elliot Altman, best known for similar social games like PEARL’S PERIL and ANCIENT ALIENS.

We're here to find the truth! So, come help us investigate flying saucers along with Dr. Hynek in the world's first Unidentified Flying (Hidden) Object Game!
Updated on
Aug 6, 2020

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4.0
173 reviews
A Google user
April 26, 2020
I like this game, however, compared to another one I play it "costs too much". I can play the other game and earn more life without having to "pay" for longer playtime. Ideally, it would be nice to play this game for more than 10 minutes without having spend money or resources for continuous play. It's also a little difficult to understand what/how to use the cards & PD. These are my ONLY two dislikes, however, they're significant in that they prohibit immersive gameplay.
7 people found this review helpful
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Tableflip
May 8, 2020
Thank you for your suggestions. We are currently working on improving those points, we hope it will improve your experience of the game. Thank you for playing!
Grayson Cole
September 26, 2020
I have been enjoying the game but I'm confused about something. On cases 102 and 103 I have unlocked all stars, completed all scenes but my overall progress is 89% and 88% respectively. All clues have been investigated and I don't know what to do to get the progress to 100%. And yes, I do look forward to more cases being opened.
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A Google user
August 16, 2019
the game will not load past the first screen. the loading bar stops at about 30%. have uninstalled and installed again and still does not work :-( have since tried again. initially has problems connecting to google account. but once that happens, the loading bar stops at about 30%, says logging in and then that is it! please fix and reply and I will attempt again! thanks
5 people found this review helpful
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Tableflip
August 16, 2019
Hi, we're sorry to hear that you are having issues. We have located and fixed some loading issues in the latest update. We hope that you will come back and give it another try.

What's new

Added Case 3 story line
Added Gift box system
General improvements and bug fixes