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