Here is the full list of all 26 Hot Hentai achievements.
Spend 30 minutes in the game
20 level complete
19 level complete
18 level complete
17 level complete
16 level complete
15 level complete
14 level complete
13 level complete
12 level complete
11 level complete
10 level complete
9 level complete
8 level complete
7 level complete
Complete the level in 2 minute
6 level complete
5 level complete
Click on Exit
Click on Gallery
4 level complete
3 level complete
2 level complete
Click on Levels
1 level complete
Click on Play