Atleast 23,000 people playing World at War at all times.

When your next playing Call of Duty: World at War, check how many people are playing at that time. You should see 23,000 people or more playing World at War online with you. The Call of Duty series are by far the most popular games ever made, so its no surprise really. The upcoming Modern Warfare 2 is set to break records aswell, so we wonder how many people will be playing that at one time.
World at War recently released the Map Pack 1 which features 3 new maps & 1 Zombie asylum map. Treyarch recently confirmed that they had sold more than 1,000,000 copies of Map Pack 1.