Well I have in mind several games from the Activision, SEGA, and Creative Assembly Total War Series. So let's begin. Instead of making several thread to hold each game with is possible mods, I'll just put them all in here...
I'll start with Rome Total War, a 2004 game.
This game has several extensions to it, such as Barbarian Invasion and Alexander, the gameplay is the same, yet the character units and time periods are different, but are still focus in the classical and late classical times.
I'll continue with other games laters...
Thanks Bokxie for your help!