Superliminal

1. 
   Son of Man

   An apple for a head
   36%
2. 
   Sugar Crash

   Break a soda can
   42%
3. 
   Please Use Other Door

   Find the nook in Optical
   42%
4. 
   Fire Safety Achieved

   Pull all the fire alarms
   2.4%
5. 
   Fire Alarmist

   Pull one fire alarm
   83%
6. 
   Environment Saved!Secret

   Steam withholds the description of a secret achievement.
   18%
7. 
   Please RecycleSecret

   Steam withholds the description of a secret achievement.
   29%
8. 
   Take Your Trash Elsewhere

   Fail at throwing away trash
   20%
9. 
   Fires Extinguished

   Empty all fire extinguishers
   2.4%
10. 
    Feeling BlueSecret

    Steam withholds the description of a secret achievement.
    2.6%
11. 
    Chess MasterSecret

    Steam withholds the description of a secret achievement.
    2.6%
12. 
    Soda Connaisseur

    Drink all sodas
    17%
13. 
    Wake Up

    Beat the game
    50%
14. 
    Superluminal

    Beat the game in under 30 minutes
    2.0%
15. 
    Speed Runner

    Beat the game in under an hour
    4.1%
16. 
    Vaguely Activated Achievement

    Congratulations on doing something!
    7.1%
17. 
    Why Are You Like This?

    Clone an object way too many times
    33%
18. 
    Polite Recognition

    Find the hidden trophy
    2.7%
19. 
    Expert Fire Alarmist

    Pull enough fire alarms
    59%
20. 
    KasparovSecret

    Steam withholds the description of a secret achievement.
    2.4%
21. 
    Stars AlignSecret

    Steam withholds the description of a secret achievement.
    2.8%
22. 
    Biggest Fan

    Finish the game with developer commentary enabled
    3.4%
23. 
    Mindful

    Finish all challenges in Challenge Mode
    2.5%
24. 
    Dr. Pierce's Protege

    Contribute an item to the Workshop
    1.8%
25. 
    Contraband

    Import a 3D model into the game
    2.4%
26. 
    Dream within a Dream

    Play someone else's dream
    3.1%
27. 
    Dream Sculptor

    Upload a dream to the workshop
    1.9%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 27 of them.