Here is the full list of all 20 PooSky achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
big badaboom
7:40
Yep 69
666
Thanks for everything
azino 777
4:20
Yep
322
trololo
Yoba
Happiness is a power
Stop it!
404
not Keanu Reeves
27
23
Yes, sir
Top Steam
boy next door