Here is the full list of all 46 SKYHILL achievements.
Die 100 times
Collect all notes in the game
Complete the game on Hardcore
Get alternative ending
One-shot the parasite
Complete the game only eating vegan food
Die in any of the first 10 floors
Use Hard Times perk
Die 20 times
Check the cameras
Use Mysterious Device perk
Score a critical hit for 60+ damage
Use Lucky Bastard perk
Use Amnesia perk
Use Retro Cinema perk
Complete the game
Get secret ending
Explore every room in one playthrough
Fix all panels during one playthrough
Upgrade your Bed to max level
Upgrade your Kitchen to max level and cook something
Upgrade your Workbench to max level
Upgrade your Door to max level
Fight two enemies in one combat and win
Dodge three hits in a row
Reach level 7 with your character
Follow the legend
Kill 10 enemies in the row with a mop
Craft three medium medkits
Use Deductive Method perk
Print the document
Craft any weapon
Release the hangman
Turn on the TV
Read three SMS
Chat with the computer
Reach the 50th floor
Cure a poisoning
Barter something with the old man
Loot the dead bird
Win a battle with 5 or less health
Get food-poisoning
Open card lock
Fix the elevator without any items
Die
Kill an enemy with your bare hands