Here is the full list of all 91 Yet Another Hentai Puzzle achievements.
Beat the game!
Level 1 - Easy
Level 1 - Medium
Level 1 - Hard
Level 2 - Easy
Level 2 - Medium
Level 2 - Hard
Level 3 - Easy
Level 3 - Medium
Level 3 - Hard
Level 4 - Easy
Level 4 - Medium
Level 4 - Hard
Level 5 - Easy
Level 5 - Medium
Level 5 - Hard
Level 6 - Easy
Level 6 - Medium
Level 6 - Hard
Level 7 - Easy
Level 7 - Medium
Level 7 - Hard
Level 8 - Easy
Level 8 - Medium
Level 8 - Hard
Level 9 - Easy
Level 9 - Medium
Level 9 - Hard
Level 10 - Easy
Level 10 - Medium
Level 10 - Hard
Level 11 - Easy
Level 11 - Medium
Level 11 - Hard
Level 12 - Easy
Level 12 - Medium
Level 12 - Hard
Level 13 - Easy
Level 13 - Medium
Level 13 - Hard
Level 14 - Medium
Level 14 - Hard
Level 14 - Easy
Level 15 - Medium
Level 15 - Hard
Level 15 - Easy
Level 16 - Medium
Level 16 - Hard
Level 16 - Easy
Level 17 - Medium
Level 17 - Hard
Level 17 - Easy
Level 18 - Medium
Level 18 - Hard
Level 18 - Easy
Level 19 - Medium
Level 19 - Hard
Level 19 - Easy
Level 20 - Easy
Level 20 - Medium
Level 20 - Hard
Level 21 - Easy
Level 21 - Medium
Level 21 - Hard
Level 22 - Easy
Level 22 - Medium
Level 22 - Hard
Level 23 - Easy
Level 23 - Medium
Level 23 - Hard
Level 24 - Easy
Level 24 - Medium
Level 24 - Hard
Level 25 - Easy
Level 25 - Medium
Level 25 - Hard
Level 26 - Easy
Level 26 - Medium
Level 26 - Hard
Level 27 - Easy
Level 27 - Medium
Level 27 - Hard
Level 28 - Easy
Level 28 - Medium
Level 28 - Hard
Level 29 - Easy
Level 29 - Medium
Level 29 - Hard
Level 30 - Easy
Level 30 - Medium
Level 30 - Hard