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