I can understand CS and CSS, but I dunno why people would still wanna continue playing MW3... Activision need to come up with something else now, the COD series is pretty much overs and becoming repetitive
I'm surprised you've never heard of it. Perhaps the best indie release of 2011.
I've recently bought COD4 and I just can't get into the MP. I find TF2 has so much more appeal, regardless of it's age. It will probably still look and play great 10 years from now.