The Age of Empires Collector's Edition game by Microsoft consists of three discs in one case. They are all rated T, for Teen. There is some slight violence, but with the rudimentary graphics, the splash of blood consists only of a few pixels of red.
The Collector's Edition of Age of Empires II includes the Gold edition, The Age of Kings, and The Conqueror's Expansion. These cover many different civilizations that you can choose to play, such as the Celts, Normans, and Turks.
In each game, you are in control of a civilization. You have to build buildings, advance technology, gather wood, stone, and gold, trade, manage both peasants and armies, and attack other civilizations played by the computer. The game has many different options for play.