Here is the full list of all 44 Lucius Demake achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Let five people burn.
kill 20 persons.
Kill 19 persons.
Kill 18 persons.
Kill 17 persons.
kill 16 persons.
Kill 15 persons.
Kill 14 persons.
Combine 6 items.
Kill 13 persons.
Assist on 3 suicides.
Kill 12 persons.
Kill 11 persons.
Use lesser combustion 10 times.
Use lesser combustion 5 times.
Kill 10 persons.
Use memory-erase 10 times.
Use memory-erase 5 times.
Complete all tutorial's.
Kill 9 persons.
kill 8 persons.
Use mindcontrol 10 times.
Use mindcontrol 5 times.
Kill 7 persons.
Cycle 10 miles.
Take 20 pictures.
Kill 6 persons.
Kill 5 persons.
Read 20 journal entries.
Kill 4 persons.
Find secret chamber before chapter seven.
Complete chores for all the presents.
Escape from storage jail.
Shoot 5 persons.
Get spotted 5 times.
Run 26 miles.
Shoot someone.
Open safe without hints.
Talk to to people 10 times.
Kill 3 persons.
Kille Gene.
Collect 20 items.
Turn a cross five times.
Kill Mary.