The armies of the Foehn Revolt have managed to conquer a remote island on the Pacific Ocean and are trying to convert it into a hybrid battlebase. The amount of nanomachines deployed on their units is unusually large, so be careful. - Map description
Endurance Challenge is a Challenge map, where enemy forces consist of all three Foehn subfactions with a preference towards nanomachine weapons.
The enemy has a Haihead base at the centre, a Wings of Coronia base in the northwest and a Last Bastion base in the southeast, each of which starts with two Reprocessors. All enemy units and buildings are much harder to kill: the former are always healed by Nanocharge (with vehicles being additionally repaired by Tech Machine Shops), while the latter benefit from a permanent armour bonus similar to the Nanocoat Regulator's with one difference: it is not disabled when the base is powered down. This also means that the enemy can't and don't need to build Nanocoat Regulators.