Here is the full list of all 14 Sex City achievements.
Buy and start the game
Lose first time
Take off the first clothes from the girl
Go to the gallery while having all the girls open on the first page
Gain 5,000 population in 3x3 mode
Gain 10,000 population in 4x4 mode
Gain 30,000 population in 5x5 mode
Spend a lot of time in a game in one session (not in the main menu)
Choose a girl not human
See more games from "Slippy Floor"
Find how to change the music in the game
Change game speed
View the girl in the gallery
Get your first population