Here is the full list of all 11 Anime Girl Slide Puzzle achievements.
Complete all the 7x7 puzzles.
Comeplete all achivements.
Complete a 7x7 level under 5 minutes 20 seconds.
Complete all the 6x6 puzzles.
Complete a 6x6 level under 3 minutes 20 seconds.
Complete all the 5x5 puzzles.
Complete a 5x5 level under 2 minute 40 seconds.
Complete all the 4x4 puzzles.
Complete a 4x4 level under 1 minute.
Complete all the 3x3 puzzles.
Complete a 3x3 level under 20 seconds.