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.
Embalm 100 bodies
Burn 50 bodies in the retort.
Become possessed for the first time.
Try to leave the mortuary.
Listen to all DJ Two-shades clips.
Get all endings.
Get Rebecca's ending.
Beat the game without embalming all bodies.
Experience all major story events.
Beat the game once.
Beat the game in under 45 minutes
Enter the storage room.
Open the outside hatch.
Fail to banish the demon.
Complete your first body in the main game.
Get right back to work.
Try to use the phone during the start of the game.
It does nothing...
Would immerse again.
Throw the red vase.
Complete the tutorial.