there are fifteeen
According to the related link there appear to be 10 levels for the American Campaign and 8 Levels each for the British and Russian Campaigns on the Nintendo DS version of the game. see related link for Names and detailed information on each of the 26 levels
unlimited
the campain mode for call of duty world at war has a campain mode that is 15 levels long
You unlock the museum, an extra level displaying all of the levels off the campaign.
93
on multi-player there are 65
65
Play on Xbox. You don't have to complete the campaign.
10 it tells you lol :P
What you have to do is beat the campaign.
There are in the campaign level "Blood and Iron." It is aprx. level #8 on the campaign.