4. Halo 3: ODST

I wouldnt call myself a Halo fan but I love the multiplayer to death.

3. Bioshock 2

I fell in love from the start with the origanal Bioshock so this ones just gonna be even better.

2. Mordern Warfare 2

With the great single-player campaign and being my favorite online game ever this ones gonna be even better with all the new features.

1. MAG

Although I dont own a PS3 I love onine first person shooters and I'm pretty sure once I play this game its gonna be my new favorite online game. I mean 256 players at once!