you have to level up. to get every gun, you have to level up to 63 then you can unlock the attachments. the ray gun and the wunderwaffe are on nazi Zombies only. ray gun has been on the game from the first nazi level then the wunderwaffe came in the map pack 2 and 3. im not sure what gun comes out with the map pack4.
3arc unlock
You have to beat the game and then its says you have unlocked to unlock it
you cant you have to buy them
You unlock it at level 57.
yes
To unlock Nazis zombies you have to beat the game first.
The WWII version does not contain Nazi Zombies. yes it does
To get the extra custom classes you need to prestige 5 times
there is not a call of duty 5 future warfare, call of duty 5 is world at war
You need to kill 5 enemies with car explosions.
Call of Duty 5 does not yet have a release date.
Actually yes.simply get xbox live