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