William the Conqueror, when he's not conquering England and subjigating the Anglo-Saxon population, likes to play Historical Strategy Games such as Total War: Shogun 2, TWS2: Fall of the Samurai, Age of Empires III, Empire: Total War, Crusader Kings II, Victoria II, Hearts of Iron III and Arsenal of Democracy or political games like Democracy 3 and DEFCON and parkour/adventure/historical games such as the Assassin's Creed series.