The Okavango Delta or Okavango Grassland is a vast inland delta in Botswana formed where the Okavango River reaches a tectonic trough at an elevation of 930–1,000 m in the central part of the endorheic basin of the Kalahari Desert. From Wikipedia
The update fulfills Free Lives’s ecosystem vision by introducing desert maps with 13 new species, a recycling rover, a photography mode.