How many people are playing Project Blue Book: Hidden Mysteries right now?

0 people are playing Project Blue Book: Hidden Mysteries on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.

What is Project Blue Book: Hidden Mysteries's all-time peak player count?

The highest concurrent player count we've seen for Project Blue Book: Hidden Mysteries on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.

Is Project Blue Book: Hidden Mysteries good? What do Steam reviews say?

50% of 4 Steam user reviews are positive.

How much does Project Blue Book: Hidden Mysteries cost on Steam?

Project Blue Book: Hidden Mysteries costs $6.99 on Steam (US).

Project Blue Book: Hidden Mysteries

by Three Gates · published by Legacy Games · Released Mar 15, 2021 · App ID 1543990

Steam Deck Unknown

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Players now

newvs 24h ago · updates every minute

Review score

50% positive

4 user reviews4 reviews

24h peak

Highest seen since tracking began Nov 1, 20260

Price on Steam

$6.99

Lowest ever $6.99 Nov 2026

Owners (est.)0–20K

Concurrent players

Last 7 days · history since Nov 1, 2026

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$6.99

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

Project Blue BookEdition
$6.99
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Reviews

50% positive of 4 · 4 user reviews · Live from Steam

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Steam Deck

Not tested by Valve yet. Results from Valve's own testing.

Steam Deck Unknown

Valve hasn't published test details for this game.

Steam Deck

Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

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Patches & builds

Quick answers about Project Blue Book: Hidden Mysteries

How many people are playing Project Blue Book: Hidden Mysteries right now?: 0 people are playing Project Blue Book: Hidden Mysteries on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.
What is Project Blue Book: Hidden Mysteries's all-time peak player count?: The highest concurrent player count we've seen for Project Blue Book: Hidden Mysteries on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.
Is Project Blue Book: Hidden Mysteries good? What do Steam reviews say?: 50% of 4 Steam user reviews are positive.
How much does Project Blue Book: Hidden Mysteries cost on Steam?: Project Blue Book: Hidden Mysteries costs $6.99 on Steam (US).

Live data from Steam, tracked by SteamPlayerBase.