The buildings of age of empires are divided into each age in which they can be built. all buildings by default have 80% resistance to all attacks but receive 28 additional damage from stone throwing siege weapons after accounting for default building armor.. Age of empires ii: the age of kings is a real-time strategy video game developed by ensemble studios and published by microsoft. released in 1999 for microsoft windows and macintosh , it is the second game in the age of empires series.. Age of empires is a series of historical real-time strategy video games, originally developed by ensemble studios and published by microsoft studios.the first title of the series was age of empires, released in 1997.seven titles and three spin-offs have been released. age of empires focused on events in europe, africa and asia, spanning from the stone age to the iron age; the expansion game.