Project Blue Book: Hidden Mysteries
| App ID | 1543990 |
| App Type | Game |
| Developer | Three Gates |
| Publisher | Legacy Games |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 27924129 |
| Last Record Update | 11 March 2025 – 23:04:22 UTC ( |
| Release Date | 15 March 2021 – 14:18:55 UTC ( |
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!
Additional Information
| Developer | Three Gates | |||||||||||||||
| community_visible_stats | Yes | |||||||||||||||
| ReleaseState | released | |||||||||||||||
| Publisher | Legacy Games | |||||||||||||||
| Store Release Date | 15 March 2021 – 14:19:04 UTC ( |
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| osarch | empty string | |||||||||||||||
| community_hub_visible | Yes | |||||||||||||||
| Primary Genre | Casual (4) | |||||||||||||||
| Store Genres | Adventure (25), Casual (4), Indie (23) | |||||||||||||||
| Steam Release Date | 15 March 2021 – 14:18:55 UTC ( |
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| Store Asset Modification Time | 4 March 2021 – 22:57:35 UTC ( |
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| osextended | empty string | |||||||||||||||
| Detected Technologies (?) | Unity Engine, UnityIL2CPP SDK | |||||||||||||||
| restricted_countries | DE Germany |
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| First seen on SteamDB | 2 February 2021 – 23:56:31 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes |
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Assets
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| logo | 9ad624693bc5a946a3973aba89ae0160da6662c0 | ||||||||||||||||||||||||||||||
| logo_small | 9ad624693bc5a946a3973aba89ae0160da6662c0_thumb | ||||||||||||||||||||||||||||||
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Steam charts
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- 0 players right now
- 1 24-hour peak
- 3 all-time peak
15 March 2021
SteamDB.info
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Store data
Twitch stats
- 0 viewers right now
- 0 24-hour peak
- 2 all-time peak
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Owner estimations
- ~100 by Gamalytic
- ~180 by VG Insights
Monthly players breakdown
Initializing Steam charts…
| Month | Peak | Gain | % Gain | Average | Avg % Gain |
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Steam hub followers history
Initializing followers chart…
User reviews history
How many players are playing Project Blue Book: Hidden Mysteries right now on Steam?
Steam player counter indicates there are currently 0 players live playing Project Blue Book: Hidden Mysteries on Steam.
Project Blue Book: Hidden Mysteries had an all-time peak of 3 concurrent players on 15 March 2021.
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