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