Here is the full list of all 104 Miss Neko achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
One round one win
Complete hard mode in 7 minutes
Happy new year!
Beat Yumi
Yumi's first time
Play with Yumi
Yumi's level
Complete hard mode in 5 minutes(or 7 minutes with DLC)
Beat Meow
Bonus Level
Meow's first time
Play with Meow
Meow's level
Youko
Hina
Momoko
Nana
Aoi
Sana
Miya
Mio
Miss Neko
Beat Mio
Mio‘s first time
Bravo!
Play with Mio
Mio's level
Level 12
12 girls
Beat Miya
Miya‘s first time
Master
Play with Miya
Miya's level
Level 11
Beat Sana
Sana's first time
Play with Sana
Sana's level
Level 10
Beat Aoi
Aoi's first time
Play with Aoi
Aoi's level
Level 9
Beat Nana
Nana's first time
Play with Nana
Nana's level
Level 8
Beat Momoko
Momoko's first time
Play with Momoko
Momoko's level
Level 7
Beat Hina
Hina's first time
Play with Hina
Hina's level
Level 6
Beat Youko
Youko's first time
Play with Youko
Saki
Youko's level
Level 5
Beat Saki
Saki's first time
Zoom Out
Zoom In
Rinko
Hana
Mei
Play with Saki
Saki's level
Level 4
Beat Hana
Hana's first time
Play with Hana
Hana's level
Level 3
Beat Rinko
Rinko's first time
Play with Rinko
Rinko's level
Level 2
Level 1
Beat Mei
Mei's first time
Play with Mei
Mei's level
Memories
Hello meow