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
Find Freddy's Outfit
Run red alert
When the girl is on top, press “A” 1000 times in one position
Perform 2 finishers per mouth in one game
Perform all finishers in one game
Finish it in her mouth
Slap girl 10 times in one game
Bite a girl 25 times a 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
Use the editor of clothing
Change background
Disable music
Read help
Raise girl excitation to 100%
Remove clothes from the girl
Tearing clothes on a girl
Run game for the first time