Age of Empires Online — real time strategy. This game not only retained the features of previous games, but also gained new ones: capitals that will live and grow even when the player is offline, the ability to complete quests together with other players, trading and game level systems that allow you to develop at a rapid pace, as well as integration with Games for Windows — Live.
- Greeks (original civilization)
- Egyptians (original civilization)
- Persians (purchased separately and had a number of advantages)
- Babylonians (released on the anniversary of the game)
- Scandinavians (purchased separately and had a number of advantages)
- Romans (Appeared in 2021 in Project Celeste)