Boimes

Atum 2 adds 9 biomes including:


 * Sand Plains
 * Sand Hills
 * Sand Dunes
 * Limestone Mountains
 * Limestone Crags
 * Dead River
 * Dead Oasis
 * Oasis
 * Deadwood Forest

The original creator of this mod uploaded a video showing off the different biomes of Atum. You can watch it here