Here is the full list of all 21 Howlville: The Dark Past achievements.
Find a way out of the cafe
Configure the jukebox
Find a way to descend into the abyss
Repair the winch motor
Open the chest in the bedroom
Get the message from your father
Arrange the keys correctly
Solve the puzzle
Enter the hotel
Connect the wiring
Find the tool in the car
Activate the portal
LABORATORY_DESC
PYSICIST_DESC
Prepare the chemical solution
Finish the retro-game
Find similar objects
Collect the code from the parts
Find the pairs
Fix the microcircuit
Open the safe