I enjoyed both. I ran through the full campaign twice and have played random missions here or there a ton. Multiplayer is what keep me playing the game though. Mercenaries and all the DLC modes spice it up and add fun replay ability.
-The controls. -The new mechanics such as the quickshot, sliding, dogding,etc -The ability to initiate a melee without having to shoot a zombie first. -Helena's butt. -Ada Wong's whole campaign(minus the helicopter in the beginning of Chapter 5) -Jake's melee moveset
The one weakness of any protagonist or hero-like character is a Cut Scene.~ KaiserNeko