Age of Empires Online were revived by a group of fans some years ago, and it is the closest match on how an improved version of the classic Age of Empires would be like. And now, after some years on the works, the Romans have been added to the game!
Age of Empires Online: The Romans Overview Trailer - YouTube
The game is completely free-to-play now and can be downloaded here: Install - Age Of Empires Online Celeste (projectceleste.com)