From the Official website:
"Kohan: Immortal Sovereigns is the first game in the ground-breaking, award-winning real time strategy series. Based around a dynamic and unique company system, Immortal Sovereigns allows players to command enormous armies with ease, enabling epic battles of a scope never before seen in RTS games.
Enter the world of Khaldun, where Immortals vie against each other in a timeless war between Light and Shadow, and experience real-time strategy as you never have before.
Multiplayer supports up to 8 players who can choose to play as one of four factions, all struggling for supremacy in a war-torn world.
Command large armies of archers, footmen, cavalry, and even legions of undead.
Over 40 unique units to choose from to build your army.
Wage war in multiple environments that include lush forest, rolling hills, and barren desert.
Scores of magical spells ranging from protective blessing to devastating fireballs.
Fully functional editor with random map generator that allows players to custom make their own campaigns, single scenarios, and even death match maps."