The most popular Engine: Genie games

Age of Empires, published by Microsoft and developed by Ensemble Studios, is one of the most popular historical RTS and started a successful series. The player must guide a civilization from prehistory to the iron age, battling other civilizations, building and gathering resources.

Star Wars: Galactic Battlegrounds is a science fiction real-time strategy game set in the Star Wars universe, focused both on the first and the second Star Wars trilogy. Star Wars: Galactic Battlegrounds was developed by LucasArts Entertainment in 2001. SWGB was developed using the Genie engine, the same used for Age of Empires.