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