Here is the full list of all 16 Ark Noir achievements.
Get a Savage Beast clear evaluation
Take a break while your HP is full
Get a Security Chief clear evaluation
Unlock all of the archives
Use up the crowbar as a weapon
Print out the criminal orders
Start the game with six initial Perks equipped
Get the best ending
Exceed 30 DEF
Die ten times
Take out a beast guarding a stairwell with your "bare hands"
Level up and obtain a rare Perk
Rapidly tap the walk button
Save George
Discard an item
Take down the Stone Ox