Call of Duty: World at War Map Pack (patch v1.6)

Activision has released a new patch for Call of Duty: World at War, bringing this first person shooter sequel developed by Treyarch Invention to version 1.6. The patch includes the Map Pack 3 expansion content. New multiplayer maps are: Battery, Breach, Revolution and the bonus Der Riese (nazi_zombie_factory) zombie level. Users will need to first have their games updated to 1.5 before using this patch.

There's also an update for the Call of Duty: World at War mod tools