Only played through the first bit and the most notable things to me are:
-the width of the plasma cutter's shots (and I assume other guns) are smaller so its harder to slice off limbs
-theres a nice video that you can watch to help you catch up to the story. (spoilers the entire first game)
-multiplayer (OMG) reminds me of L4D, but it really does give you the feeling
"YOU'RE A











