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