Here is the full list of all 23 Haydee achievements.
Become the new Master.
Fail the escape.
Complete the game on Softcore.
Create havoc.
Find the useless card.
Find the Pliers.
Die in the same room 3 times in a row.
Find the secret room.
Find the Crowbar.
Find the SMG.
Find the Magnum.
Find the tutorial section ammo.
Find your death in Haydee.
Complete the tutorial section.
Complete the game with the default pistol only.
Kill all the bots you encountered.
Complete the game with no damage received.
Complete the game without saving.
Complete the game in one hour.
Complete the game on Hardcore.
Complete the game with 80% headshots.
Complete the game killing no more than 50 bots.
Break the system.