What are some alternatives?
When comparing Sid Meier’s Civilization VI and Age of Empires, you can also consider the following products
FreeCiv - Freeciv is an open-source, turn-based strategy game based on Civilization II.
0 A.D. - 0 A. D. is a free, open-source, historical Real Time Strategy (RTS) game currently under development by Wildfire Games, a global group of volunteer game developers. Download 0 A. D.
Total War - Total war is a turn based/ RTS strategy game, you play in different historical battles.
Warcraft III - A generation before the events of World of Warcraft begin…
Age of Mythology - Age of Mythology. The game that transports players to a time when heroes did battle with monsters of legend and the gods intervened in the affairs of mortals. Use mythological creatures like Minotaurs and Cyclopes to bolster your armies' strength.
Empire Earth - Age of Empires is set in the past, Command & Conquer explores the future, but up to now there was no real-time strategy game that covered the whole breadth of human history.