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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| library_assets |
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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 |
Tags
Categories
Assets
Load all asset images| clienticon | a0773887ed459ff6911e4df8961c63b831fe3205 | ||||||||||||||||||||
| clienttga | 2a7db159c294cc6435086d608dbed05d5e06bb72 | ||||||||||||||||||||
| icon | a47e9f3529c9e6237f6c8a036ee6b72461b068d9 | ||||||||||||||||||||
| logo | 9ad624693bc5a946a3973aba89ae0160da6662c0 | ||||||||||||||||||||
| logo_small | 9ad624693bc5a946a3973aba89ae0160da6662c0_thumb | ||||||||||||||||||||
| small_capsule |
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| header_image |
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| Assets |
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| trailer_name | PBB PC Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 256823691/movie480_vp9.webm |
| video/mp4 | 256823691/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 256823691/movie_max_vp9.webm |
| video/mp4 | 256823691/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 1543990/350139/10ecf592ca2cc0eaedb0baa917e1910317a99376/1751001029/microtrailer.webm |
| video/mp4 | 1543990/350139/10ecf592ca2cc0eaedb0baa917e1910317a99376/1751001029/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 1543990/350139/10ecf592ca2cc0eaedb0baa917e1910317a99376/1751001029/dash_av1.mpd |
| dash_h264 | 1543990/350139/10ecf592ca2cc0eaedb0baa917e1910317a99376/1751001029/dash_h264.mpd |
| hls_h264 | 1543990/350139/10ecf592ca2cc0eaedb0baa917e1910317a99376/1751001029/hls_264_master.m3u8 |
| screenshot_medium | 256823691/movie.293x165.jpg |
| screenshot_full | 256823691/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 1 March 2021 – 19:23:00 UTC |
