Here is the full list of all 36 Lucius III achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Tutorial complete.
Take a thousand steps.
Die by a fall 5 times.
Find a Bobblehead.
Hang from a ledge 5 times
Introduction Complete.
Chapter 01 Complete.
Chapter 02 Complete.
Chapter 03 Complete.
Chapter 04 Complete.
Chapter 05 Complete.
Chapter 06 Complete.
Chapter 07 Complete.
Find 12 Bobbleheads.
Find 30 Bobbleheads.
Find 66 Bobbleheads.
Create 2 deaths by hanging.
Incinerate 8 persons.
Skip the long monologue of Gabriel.
Get 4 tips from the Sultan.
Get 1 tip from the Sultan.
Get 3 Latin hints.
Make Samantha Morgan run for 30 seconds.
Kill 5 kids.
Eat five hearts.
Kill an angel.
Collect all main items.
Kill a person at the sea.
Help Ceefor to build his machine.
Make a person fall in the well.
Kill your father.
Kill the doctor.
Turn 5 crosses.
Wear 5 sets of clothes.
Enter the pearly gates.
Take the throne from your father.