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