I really don't understand what the Wicked Game achievement does.
Achievements unlock accessories that give pretty big, somewhat game-breaking boosts. Wicked Game gives you the gold bracelet which doubles cash earned from working.
how do you unlock the achievement?
All of the achievements are:
Wicked Game - earn a total of $2000
Love The Hardest Way - have sex at least 50 times
When Love and Death Embrace - get both High and Drunk meters to 99% without blacking out and go to sleep