Here is the full list of all 45 Paranautical Activity: Deluxe Atonement Edition achievements.
Get every achievement.
Kill Dahlia after she spawns every set of enemies. Twice.
Kill 1000 Jimbaabwehs.
Run out of superweapon ammo.
Get every item.
Use every weapon.
Kill every boss.
Figure out how to get to the 8th floor.
Beat Hardcore Mode with all 6 characters.
Beat hardcore mode having gone into every room.
Beat hardcore mode 10 times.
Beat hardcore mode without spending money.
Beat any mode without taking items.
Beat hardcore mode.
Beat any mode with Bouncer
Beat any mode in under 15 minutes.
Beat 4 floors in a row using only melee attacks.
Beat any mode with Dynomite.
Complete a hole floor without falling in.
Survive a dark floor.
Have 69 bombs.
Beat any mode with David Bowie
Spend all your money gambling.
Beat any mode with Tank.
Have 30 items at once.
Spawn two ghosts at once.
Beat any mode with Gilead
Complete a floor without jumping.
Get a ghost and survive the floor.
Beat any mode with Gorton
Beat classic mode.
Kill Dahlia without taking damage.
Kill Dahlia.
Kill 100 Gileads.
Fall into a hole in a hole floor.
Beat the sixth floor.
Complete a room without attacking.
Kill a Tenchi while it's invisible.
Beat the fourth floor.
Beat the second floor.
Complete a floor without taking damage.
Let a boss die to poison.
Have 1000 coin dollars.
Have more armor than health.
Complete a room without taking damage.