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