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