Here is the full list of all 20 Frankenstein: Master of Death achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Don’t search easy ways
Use the crossbow
Use the mold
Don’t skip any I-SPY game
Repair the horse figurine
Open all the safes
Use the camera
Walk past the monster
Go fishing
Cross the abyss
Feed coal into the fire of engine of the steam train
Open the cage
Explode the dynamite
Get rid of the tiger
Collect 5 objects within 5 seconds
Get into the hold of the sunken ship
Collect 3 objects within 3 seconds
Meet Elizabeth
Don’t skip any of the mini-games
Pay attention to the details