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