Party Game Problems

Hey people, i need and some good party games(HELP!). You see I`m a girl who just turned 15, and I`m haveing a party at a church loft, it will probley be girls and a few guys (but no out door games, and no makeing out games). The loft already has pool tables, ping pong, fouls ball tables, an air hocky table, and lots of space in the room. So i dont know what to play, and if i even need games or not?