Unpossess Achievements Here is the full list of all 10 Unpossess 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 25Reach level 25 Level 50Reach level 50 Level 75Reach level 75 Level 100Reach level 100 MedicRestore your health using a medkit PrayerRestore your sanity using a prayer CollectorCollect a haunted object HunterStop an evil spirit The ExorcistSuccessfully perform an exorcism HealerRevive a teammate