Stepping up the Call of Duty: World at War (PS3, Xbox 360) gameplay came Map Pack 1 earlier this month, which brought you the burning streets of Berlin in Nightfire, the Japanese bunkers of Knee Deep, a less-than-well-maintained Station, and the Zombie Asylum, which features the immensely popular Nazi Zombies! The Xbox version did so well that it set the new record for most downloads in its first week.
They didn't specify as to exactly how many downloads the map pack got, which is strange if you're talking numbers. If you still haven't downloaded Map Pack 1, you can get it it for 800 Microsoft Points on Live. For details, refer to the related article below.
Map Pack 1 details: