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