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