Full list of all 27 Superliminal achievements. It takes around 8-10 hours to unlock all of the achievements in the base game on Windows.
The base game contains 21 achievements, and there is 1 DLC pack containing 6 achievements.
Make the last move
Beat the game in under 30 minutes
Beat the game in under an hour
Drink all sodas
Find all secret chess pieces
Find the hidden trophy
Complete all constellations
Find all blueprints
Pull all the fire alarms
Empty all fire extinguishers
Beat the game
An apple for a head
Clone an object way too many times
Put a soda can in the wrong place instead of recycling
Place a soda can in a recycling bin
Congratulations on doing something!
Break a soda can
Find the nook in Optical
Pull enough fire alarms
Fail at throwing away trash
Pull one fire alarm
Play someone else's dream
Contribute an item to the Workshop
Import a 3D model into the game
Finish the game with developer commentary enabled
Finish all challenges in Challenge Mode
Upload a dream to the workshop