Age of Empires II HD

Age of Empires II HD Edition is similar to Age of Empires II The Conquerors Expansion with additional upgrades and patches. However, there are major downloadable additions that includes 13 more civilisations, which brings in a total to 31. Also, there's an improved AI addition to "The Conquerors" original AI. Most of all, you can have a population of a whopping 500!