Hidden Mysteries: Titanic
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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!
3/15/2021
English
Read moreCompatibility
Unknown
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Duration
Official
Unofficial
7 Day
$6.99
$3.93
30 Day
$6.99
$3.93
All Time
$1.95
$3.49
Official Stores
Unofficial Stores
Compare the latest prices for Project Blue Book: Hidden Mysteries
A small discount is available.
Find Out if Your System Can Handle This Game
Needs very little memory, which keeps performance requirements low.
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Explore Steam(10) and Epic Games highlighted achievements for this title
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Find quick answers to the most common questions
Right now, you can buy Project Blue Book: Hidden Mysteries for as low as $4.08, depending on the store and platform.
Top-up options that work PC
$1.46
$2.22
View a complete price history for this game across stores, including historical lows, past discounts, and pricing trends over time.
View Full Price History| 41% |
$4.08 |
$6.99 |
| Steam |
| - |
| Steam | 0% | $6.99 | $6.99 | Steam | - |
| OS | - | - |
|---|
| CPU | 1.5 Ghz | - |
|---|
| Memory | 2 GB RAM | - |
|---|
| Graphics | 512 MB | - |
|---|
| Storage | - | - |
|---|
| Other | Storage 1.5 GB | - |
|---|
Sherlock
Steam
Wing King
Steam
High Roller
Steam
The Investigator
Steam
The Detective
Steam
Problem Solver
Steam
Yes, Project Blue Book: Hidden Mysteries is currently on sale with up to 41% off at select stores.
On Steam, Project Blue Book: Hidden Mysteries is listed at $6.99 (MSRP $6.99).
The lowest recorded price for Project Blue Book: Hidden Mysteries is $1.95, based on past sales and discounts.
Project Blue Book: Hidden Mysteries is available on PC.
Project Blue Book: Hidden Mysteries is primarily a single-player experience.
Project Blue Book: Hidden Mysteries launched on Mon Mar 15 2021.
![pretty girls mahjong solitaire [blue] vertical card thumbnail](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1418680/header.jpg?t=1726636403)
