adventure

Project Blue Book: Hidden Mysteries — Investigate Real UFO Cases

5/6/2026, 12:57:10 AM

Tags: #hidden object #mystery #ufo #puzzle #adventure #indie

User Reviews

Score: 67%6 user reviews
Review Count: 6 reviews
Fetched At: 5/6/2026, 12:57:10 AM

Key highlight

Investigate real declassified UFO cases from 1952 in "Project Blue Book: Hidden Mysteries." This adventure game challenges your observation and deduction skills through hidden object scenes, puzzles, and minigames, featu

Details

Overview

Step into the shoes of a newly recruited agent for the U.S. Air Force's top-secret Project Blue Book in "Project Blue Book: Hidden Mysteries." Set in 1952, this intriguing adventure game challenges you to uncover the truth behind real, declassified UFO sightings. You'll be tasked with investigating flying saucers and other unexplained phenomena, using your observation and deduction skills to piece together chilling mysteries.

Highlights

Experience authentic, chilling mysteries based on actual declassified UFO investigations from the 1950s.
Sharpen your observation and deduction abilities by solving hundreds of hidden object scenes, puzzles, and minigames.
Immerse yourself in the era with guidance from Dr. J. Allen Hynek, portrayed by Aidan Gillen, known for his role in "Game of Thrones."

Who It's For

This game is perfect for players who enjoy hidden object games, puzzle-solving, and mysteries with a historical and paranormal twist. If you're fascinated by UFOs, conspiracy theories, or simply love a good deduction challenge, "Project Blue Book: Hidden Mysteries" offers an engaging experience.

Game Info

"Project Blue Book: Hidden Mysteries" is a single-player adventure game developed by Three Gates and published by Legacy Games. It features Steam Achievements and supports Family Sharing. The game was released on March 15, 2021, and is available in English.