Here is the full list of all 22 Cute Cats 2 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete Level 08
Complete Level 08 very fast
Complete Level 09
Complete Level 09 very fast
Complete Level 10
Complete Level 10 very fast
KuKo
Complete Level 02
Complete Level 02 very fast
Complete Level 03
Complete Level 03 very fast
Complete Level 04
Complete Level 04 very fast
Complete Level 05
Complete Level 05 very fast
Complete Level 06
Complete Level 06 very fast
Complete Level 07
Complete Level 07 very fast
Complete Level 01
Complete Level 01 very fast
Meow! Meow!