Project Blue Book: Hidden Mysteries Achievements Here is the full list of all 10 Project Blue Book: Hidden Mysteries achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Smooth OperatorComplete a scene in under 25 seconds Top GunGet a streak of 8 objects SherlockEarn max stars on all hidden object scenes in a case Wing KingPlay each type of minigame at least once High RollerPlay 20 minigames The InvestigatorInvestigate 6 leads The DetectivePlay 6 'Hidden Object' scenes Problem SolverComplete one 'Found Object' Scene Use that hint!Use 20 hints Turning the pageUnlock a new episode