Full list of all 13 Extreme Exorcism achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Kill five ghosts with one harpoon.
Finish five rounds without missing a shot.
Kill ten ghosts with one explosion.
Complete Arcade mode.
Defeat the final boss without losing a life!
Unlock all weapons.
Kill 1000 ghosts!
Unlock all rooms.
Manage to amass thirty ghosts on-screen!
Die 1000 times!
Jump on five bullets in one round.
Exorcise ten ghosts at once.
Complete all challenges.