

Project Blue Book: Hidden Mysteries
Three Gates · March 15, 2021 · Hidden Object, Puzzle, Point & Click, 2D, Cold War
Buy the Project Blue Book: Hidden Mysteries key for Steam from Eneba at $3.85 — the cheapest of 4 stores we compare.
Where to buy Project Blue Book: Hidden Mysteries — official stores
Cheapest Project Blue Book: Hidden Mysteries keys — keyshops
Keyshops are third-party marketplaces — keys are resold and can be region-locked or a different edition. Check the listing's region & edition before buying.
Project Blue Book: Hidden Mysteries price by region
Project Blue Book: Hidden Mysteries costs £3.03 in the United Kingdom, €3.49 in Europe (EUR), $3.85 in the United States, $3.85 in Georgia (USD), CA$6.55 in Canada, A$8.15 in Australia, NZ$8.89 in New Zealand, R$14.49 in Brazil and zł19.51 in Poland right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| £3.03 −29% | £4.25 | £3.03 | 3 | |
| €3.49 −25% | €4.66 | €3.49 | 4 | |
| $3.85 −33% | $5.73 | $3.85 | 4 | |
| $3.85 −18% | $4.69 | $3.85 | 3 | |
| CA$6.55 −18% | CA$6.55 | — | 2 | |
| A$8.15 −18% | A$8.15 | — | 2 | |
| NZ$8.89 | NZ$8.89 | — | 1 | |
| R$14.49 | R$14.49 | — | 1 | |
| zł19.51 −23% | zł25.49 | zł19.51 | 2 |
Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.
Screenshots
About Project Blue Book: Hidden Mysteries
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.
It’s your chance to investigate flying saucers in the world's first Unidentified Flying (Hidden) Object Game!
Game Features
● Challenge your observation and deduction skills!
● Experience chilling mysteries based on real declassified UFO investigations!
● Solve hundreds of hidden object scenes, puzzles and minigames!
● Investigate alongside Dr. J. Allen Hynek (played by Aidan Gillen from “Game Of Thrones”) and Captain Michael Quinn (played by Michael Malarkey from “The Vampire Diaries”)!
About Project Blue Book: Hidden Mysteries
Project Blue Book: Hidden Mysteries is the official 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.
The game's story is written by bestselling science-fiction author and award-winning game writer Steven-Elliot Altman, best known for similar social games like PEARL’S PERIL and ANCIENT ALIENS.
Highly Rated by Players Like You!
“Great puzzles. This is a fast game that keeps the brain clicking along the whole way.” – Carl Jaynes, NYC, New York
“Very successful at connecting the items in each level to the story elements and weaving in a lot of dialog, clues and other mini games. The visuals are beautiful and it’s all cohesive so you feel like you are in that late 1940s to early 1950s era.” – Brandon Jones, San Mateo, CA
Project Blue Book: Hidden Mysteries — game info
- Platforms
- Windows
- Player modes
- Single-player
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
I hate to be the first one to say it, but if you like standard PC hidden object, adventure or detective games, you won't like this game. It's as if it was designed-by-committee by people who know nothing about hidden object games (or adventure or detective games). Most of the game is spent not actually "playing" and when you do get to "play" they time you / pressure you into doing X as quickly as possible. And "play" is broken up into 30 second bursts. It's the opposite of casual fun. [list] [*]half the game is spent on loading screens [*]the other half on unnecessary/repetitive/unskippable animations [*]every HO scene is timed (and scored!) [*]repeated scenes/objects (same scene same object, many times) [*]duplicate/decoy objects in scenes (only one active) [*]minigames only used for hints (and only 4 of them) [*]don't actually get to investigate/interview anyone [*]it isn't intuitive how to progress forward [*]etc [/list]26 found this helpful
Pros: - good artwork for scenes, hidden objects, and characters - interesting storyline and plot - cutscenes and audio that get the player immersed - the player is given a "why" to what they are doing, rather than just mindlessly finding objects - Steam achievements - good price compared to some other hidden object games (I'm looking at you Artifex Mundi) Cons: - minor bugs - limited options to alter gameplay to player's wants/needs Pro/con (player dependent): - Explicitly hidden object orientated (if focusing on progressing in the game; the minigames are optional) - Some timed hidden object scenes - Lots of dialogue Summary: As far as hidden object games go, this one really stays true to the name. The good news is that this game does hidden object scenes well. Though, some puzzle game players might not like this style of hidden object game, being pretty much explicitly hidden object. Regardless of gameplay preferences, the audio, character and scene artwork, dialogue, and cutscenes are top notch. I recommend picking it up! Personal end rating: 8/10 For players on the opposite end of the spectrum: - who become bored with hidden object scenes and prefer other methods of puzzles…11 found this helpful
fun1 found this helpful
Nice theme but the puzzles are way to easy and last about 20 to 30 seconds
Survive-able if you stand tutorial you can't turn off. Well I guess it expected for Blue book hidden object. I was hoping for more. Like animated videos. Like or dislike: Wait after 1 hour. Other opinion:
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