Mysterious House Achievements Here is the full list of all 6 Mysterious House 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 level 5Passed level 5 level 10Passed level 10 level 15Passed level 15 level 20Passed level 20 level 25Passed level 25 level 30Passed level 30