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