Sound Effects, Threesomes (MMF, FFM, FFF), Orgies, Gangbangs, Spectator Mode, Table/Couch Sex, Shower Sex/Masturbation (with or without Petnis), Ability to use Petnis on Female Players, More Sex Positions, More Minigames, "Skip" Feature (Example: Skipping Anal), Dick/Butt Size Customazation, Usage of Player's Avatar in Minigames (f.e.: Riding the Strip Rodeo as yourself in a Cowgirl Costume), Public Sex, Add Buyable Non-Premium Positions, etc.
My favourite sex position? Crying alone in the bathroom.