Here is the full list of all 13 NEKOPARA Extra achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Merry Christmas!
Try playing it in Chinese!
Try playing it in Japanese!
Boing Boing
Petted Coconut
Petted Maple
Petted Cinnamon
Petted Azuki
Petted Shigure
Petted Vanilla
Petted Chocola
Try playing it in English!
Good Morning