Not at all! To unlock the first map for Nazi Zombies, all you have to do is complete the main campaign, but there are three other map packs which you can download from the XBOX LIVE marketplace.
No you don't. But you do need to complete Single Player Story Mode to unlock Nazi Zombies.
You need it to download the 3 DLCs for the other 3 zombie maps or for multiplayer only
if u want to play online, yes but for like singleplayer campaigns, nope
You can play single player zombies without Xbox Live, but you can't play online with other players unless you have Xbox Live.
You need Xbox live to use any sort of DLC.
Xbox live Marketplace.
on xbox 360 you can go on xbox live.
If you're wanting to play with others then you will need Xbox Live, however, if you're wanting to play by yourself and do a local match, then no; you do not need a membership.
ya, its only on multiplayer/zombies
You can play it solo, or on split screen.
Zombies are not on MW2 only WAW and Black Ops
no plants vs zombies 2 is fake ok
No
No, it doesn't. If you want Nazi Zombies, you need to buy it for the Xbox 360, PlayStation 3 or The Computer.
yes or if you have xbox live you can get a friend to pick private match with you and have him pick zombies