Three new Facebook games to add to your must-play list

If you take a look at who's playing what games on Facebook, the answers will sound all sound rather familiar. Here's a hint: They all come from a game developer whose name rhymes with finga' (I'm talking about Zynga, people). CityVille still leads the pack, followed by FarmVille and then Texas Hold 'Em Poker, aka Zynga Poker.

These three golden games have had the popularity vote all locked up, like, forever -- but if you look beyond cold hard stats, you'll see that there are plenty of newer games that you should add to your social gaming repertoire. Here's a list of three up-and-commers worthy of your time and devotion.