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