In total, there are 37 civilizations in the game to choose from, including two new civs arriving with the 'Lords of the West' expansion expected January 26. Luckily, this guide will teach you all you need to know to handle the basics and start focusing on honing your skills. The difference between the AI (even on harder difficulties) and experienced human opponents is startling to newer players. Age of Empires 2: Definitive Edition is an easy game to get into, but it's incredibly challenging to master.