In this feature, GT takes a look at “weapon upgrades and differences between the PS3 and Xbox 360 versions.” Video after the jump. First image in gallery.

COD4 multiplayer is split into Player and Ranked matches. To really enjoy multiplayer, you’ll need to gain ranks by earning experience points (for killing opponents and winning games). And that can only be done in ranked matches. Fortunately, COD4 features a Halo-like party system where you can gather your friends and travel together through ranked play

[via IGN]