The Civilization games are full of historical information, but it's mixed together and cut with fantastical contrivances that make it fun to play—which is how I recently went toe-to-toe with Harriet Tubman as Han Dynasty emperor Niccolò Machiavelli when I played Civilization 7 for this month's PC Gamer cover feature. The games aren't history tutors, but Firaxis senior historian Dr. Andrew Johnson, who's also an associate professor at Stockholm University's Department of Social Anthropology, hopes...