Unknown Castle Achievements Here is the full list of all 11 Unknown Castle 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 IntroductionComplete the first level Story unfoldsOpen a treasure chest. Hello thereSpeak with Huuma-Tuuma in the level select Lose some weightRun in a treadmill Secret entranceFind a way to the third level select Better with a friendPlay the game in local multiplayer Get richCollect 100 gems Background storyRead a specific painting description Treasure seekerFind the treasure Secret libraryFind it Face yourself??????