ya mum
there is no code; you have to get one of the map packs, i thinks its COD: Black ops First Strike.
Ascension is the only zombie map in First Strike
"Discovery," "Kowloon," "Berlin Wall" and "Stadium" & zombie map, "Ascension,"
No. Ascension is part of the First Strike Map Pack for Call of Duty Black Ops and is available right now only for PS3 and Xbox 360.
APRIL !
You have to buy the multiplayer map pack for black ops to unlock the zombies map ascension
You do in Ascension zombies from the first map pack for black ops.
Jungle
On COD BLack ops? Um you cant get gamerscore types no but you can get credits(online)
Nuketown, by far
u cant
Buy the first strike map pack