Here is the full list of all 11 Hentai - there are Area 51 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
My life....
Help! Help!
HENTAI SOLDIER - 70
What the fuck are you?!
Paltatin Power
The purpose of life is fulfilled!
Reptiloid
30 kill? Really?
Vuydu zvidsu rozbiynuk
HENTAI SOLDIER - 10
Breathtaking