Unknown Pyramid Achievements Here is the full list of all 10 Unknown Pyramid 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 RookieClear upper layer. Expert ArrestArresting the Enemy in prison. Hidden Passage Overthrower Medjed's AlmsReceive items from Medjed. 10 LeversPull 10 levers in one play. Found outThe enemy opens the coffin. Clear Unknown Treasure HunterCollect all treasures.