Maps

Official Maps

The following maps are included in the Extermiantus download:

Lycantium - Capital city of the industrialized imperial world Heller IV, under siege by the tyranid Hive fleet
Space Hulk - Ultramarines must hold back the Tyranids aboard this Space hulk
Hive - Beyond the spiring towers of this heavily industrialized imperial hive word the atmosphere is thick with toxic smog, the Tyranids are breaking in to get at the juicy human morsels inside the spire.
Dig Site - Imperial archaeologists have been studying ruins of an ancient battle field and it's attendant tomb to the Ultramarines that fell there.
Thunderhawk - Crashed in tyranid controlled territory can the marines escape before the oncoming swarm overwhelms them?

You can use the Map Development Kit to make your own maps for Exterminatus.