When Halo 3 came out, we played that for like a month straight. It was sick. Then, like, we all dropped it. OH YEAH CALL OF DUTY CAME OUT LOLZ AT BUNGIE!
Rainbow Six Vegas 2 feels like it could be a good multiplayer game, but it needs some patching ASAP and the community is new to it - folks are inquiring about Attack and Defend icons and the cover system. It's the first day, but - hey! - what a bunch of noobs.