This game has got what most Call of Duty fans want. A new, exciting campaign, multiplayer, and last but not least the phenomenon Nazi Zombies. I'll start off with the campaign. While it is a little short, it is still a wonderful bloodbath throughout while you blow peoples limbs and arms off. Brutal, but fun. The campaign features great voice acting, well-done graphics. At times though, it seems like your playing an older CoD when your hiding behind a barrel shooting up the baddies. Some of the levels are much more exciting such as "Prison Break". Yes, you use a harpoon to take down a helicopter. :) Multiplayer offers a whole set of new maps, along with customizing your characters clothes. The multiplayer graphics are a lot more cartoonish I would say. It's still a fun, experience. Finally, Nazi Zombie has returned for a second serving. Offering 1 new map, and another after beating the game, I'd say it's just damn fun like the first Nazi Zombies in World at War. Dead Ops Arcade especially makes it better.
Overall, a solid game. I hate Activison though. This is Treyarch's finest game in my opinion.