Ancient Knowledge Achievements Here is the full list of all 19 Ancient Knowledge 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 Treasure hunterFind all secrets ExplorerFind all plates and notes Chamber of secretsFind chamber of secrets AstronomerSolve the puzzle of the star gallery BookwormFind a way out of the book maze BoatmanSwim on all types of boats MusicianPlay all musical instruments WHOOO?Find a weird booth Ancient KnowledgeFind Ancient knowledge UFOFind The UFO It's not a lake it's an oceanIt's not related to water Wind PowerActivate 1 wind mandala Explosive PowerActivate 1 explosive mandala 4 8 15 16 23 42strange code GardenerRevive the tree DIN DONRing all the bells LinguistSolve all text puzzles PlumberSolve the water problem VandalBreak as many jugs as possible