Civilization IV: Warlords

The Warlord scenarios include a new type of Great Person unit - called a Great General. You can use a Great General in a city to create a "super specialist", military advisor or along with other Great Persons, trigger a Golden Age. However, if the Great General is attached to a military unit, he becomes a Warlord, invoking a litany of combat and morale bonuses that exist until that unit is destroyed.

There are several scenarios that focus on famous, pre-packaged Warlord units - Alexander the Great's sack of Asia Minor, Viking legend Ragnar Lodbrok's raid across Northern Europe and Ghengis Khan's giant campaign of terrorism through Asia.