Civilization 7's senior historian once deleted Civ 6's massive Civilopedia, replacing every entry with a single warmongering emperor: 'The entire folder just went, and I looked, and it was just my one little entry'

The Byzantine emperor Basil II had an illustrious career. He ruled for almost 50 years, stood fast during a time of perpetual civil war, subjugated the First Bulgarian Empire and won a large number of military campaigns. And thanks to Dr. Andrew Alan Johnson, he briefly conquered history, replacing every single entry in Civilization 6's meaty Civilopedia.

Johnson is an associate professor at Stockholm University and a historical consultant. He's worked with Firaxis since Civilization 6—specifically the New Frontier Pass...