You know for me, not exist games for girls and games for guys..
But i saw some girls like games lika
-Burger Time
-Sims
-Super Frog
-Super Mario
-Henrys House
-Frogger
-Super Breakout
-Carmen San Diego Series
-Rodland
-Quest Games
-WII Sports
-Thats Dancing Game (i cant remember the name)
-and others
but
-Others more Hardcore Gamers play games like,
-Street Fighters
-Action and Adventure Games
-RPG Games
Anyway all depends about the Taste..