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