Hax means it's from a 0.7x version of EB. You can also see the Yuezhi in the northeast, where Saka have replaced them in later versions because they were somewhat out of the starting timeframe. We now have a scripted Yuezhi invasion instead, however we struggle to get the AI to use them for anything worthwhile.
This was also the time of "the desert wars" between Carthage and the Ptolemaioi, who would fight over Nubian lands all the time.