Here is the full list of all 23 Phantaruk achievements.
Find all the text-logs and text-scraps
Find every antidote in the game
Find all the text-logs
Finish every level (until Crematory) without being spoted by Phantaruk
Finish the game without taking any damages
All those notes and pictures...
Finish the biomed2-2 section without being spotted by Phantaruk
I'm created.
Be careful and slow.
Run, clone, run!
Finish the game without using the flashlight
Get to the Bridge
Burn the corpses
Listen to all the audiologs
Destroy your dreams
He managed to escape. He found a better way.
Finish the biomed section without being spotted by clones
I'm from Earth.
Use antidote 10 times
Use antidote in the right way
Is he dead? Can he dream?
I need a bigger dose!
Finish the first level