Here is the full list of all 21 Sex Simulator achievements.
Find Freddy's Outfit
Run red alert
Tearing clothes on a girl
Disable music
Read help
Perform all finishers in one game
Finish it in her mouth
Fill the orgasm and the excitement of the girl at the same time
Bite a girl 25 times a game
Use the editor of clothing
Change background
Make 50 kisses in one game.
Slap girl 10 times in one game
Raise girl excitation to 100%
Make a girl a cream pie
Remove clothes from the girl
Run game for the first time
When the girl is on top, press “A” 1000 times in one position
Perform 2 finishers per mouth in one game
Performe Finisher per 12 seconds
Spend in the game a lot of time at a time