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