Extreme Exorcism Achievements Here is the full list of all 13 Extreme Exorcism 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 ExorcistComplete Arcade mode Grand TourUnlock all rooms Extreme ExorcistDefeat the final boss without losing a life! UnchallengedComplete all challenges It's a Party!Manage to amass thirty ghosts on-screen! Bull's EyeKill five ghosts with one harpoon Demolition ManKill ten ghosts with one explosion This House is Clean!Exorcise ten ghosts at once Take that, Physics!Jump on five big bullets in one round Full ArsenalUnlock all weapons NecromancerDie 1000 times! GhostblasterKill a total of 1000 ghosts! Dead EyeFinish five rounds without missing a shot