I really like the idea of this game but this is really too much effort :/
That said, here's a halfway done attempt
re
The year is 350BC and the Persian world is in collapse.
Artaxerxes III had been destined for great things. Many historians have theorised that had he survived the assassination of both himself and his father, the Achaemenids may have continued to reign for many more years. Instead, it quickly broke down into bickering satrapies. While in other times, another son would simply ascend to the throne, another crisis yet took place. Supposedly, all three Great Flames of the Empire were extinguished on the same day as the death of the emperor and his son. Many took this as a sign of the apocalypse, or the end of the empire. In truth a plot engineered by an eastern satrap, this soon spiralled out of control, leading to the satrap of Egypt rekindling the ancient nation's independence and declaring himself Pharaoh. The Anatolian satraps, having for years of questionable loyalty, quickly turned on the empire, taking up Pontic, Lydian and Greek nationalities. A few loyal satraps retained their Persian loyalties, although with the chaos in the empire, they rarely received aid.
Despite the disorder in the first years of this seeming apocalypse, a new emperor was eventually crowned and order restored to the remaining provinces. This had however come at a great price. Anatolia was still in chaos, Egypt had entered outright rebellion and the eastern satraps had either disentigrated entirely or had joined the so-called 'Kingdom of the Coming Buddha'. This new Kingdom, as fate would have it, had been the end goal imagined by the plotters of the emperor's death, having converted to the buddhist faith long ago and hoping to usher in their principles without trouble from the Empire.
In the west, Carthage has been free of kingly rule for many a decade now, with stories of royal preogative being a thing of fairy tales. Even so, it seems that in recent years, the Magonids have found a way of clinging to power. Mago II, and his successor Mago III, have spent many a year carefully conquering, negotiating and prodding the Celts of Iberia, successively resulting in tribes swearing allegiance to them. The Council of Elders, more than outraged at a king that acts like a king, has continually threatened the royals and their supporters. Outright action is however impossible, due to a solid block of Carthage an nobility supporting the royal expeditions in Iberia, both due to benefits they have received and due to their inability to bend the Council to their own ends. Furthermore, it has been the policy of the royals for many a decade now to cultivate their popularity with the common people of the city of Carthage, ensuring that their removal would result in far more trouble than its worth. As such, the royalty directly control the hinterlands of Carthaginian Iberia, This control is however tenuous, requiring the constant currying of support from the local Celts, which strain the royal coffers due to the same being required in Cartage itself.