Full list of all 25 The Mortuary Assistant achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 21 achievements, and there are 2 DLC packs containing 4 achievements.
Burn 50 bodies in the retort.
Embalm 100 bodies
Become possessed for the first time.
Experience all major story events.
Get all endings.
Enter the storage room.
Open the outside hatch.
Listen to all DJ Two-shades clips.
Get Rebecca's ending.
Beat the game without embalming all bodies.
Fail to banish the demon.
Beat the game in under 45 minutes
Would immerse again.
Try to leave the mortuary.
Try to use the phone during the start of the game.
Throw the red vase.
Beat the game once.
Complete your first body in the main game.
It does nothing...
Get right back to work.
Complete the tutorial.