Here is the full list of all 18 Lewd Gym achievements.
Full of sweat and stinky feet gym.
Debby's mouth is really something.
This pair of red feet should stick where?
Devil's 2 Lair
Who the hell allowed you to interfere like that?
Damn, it's just too dirty!
Feels so good! Ahhh...
To Kill Green Orc
How can it be so powerful~~ Is this the hero's thunder magic?!
I'll come, and I'll conquer.
Zelda like, Z
ABCDEFGHIJKLMNOPQRRRRRRRRR~~~~!!!
Ahhh, is this paradise?
Woof woof woof woof woof woof!
Lick lick lick lick lick lick lick.
How can one tell if I am male or female?
Feeling at one with heaven and earth.
Completed the level, yay, feels great!