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