When the Modern Age ends in Civilization 7, the game's over, but it hasn't always been that way. In previous games, you could keep playing long after a winner had been declared, a feature which led to the most famous game of Civilization ever played: Civilization 2's "Eternal War."
James "Lycerius" Moore spent nearly a decade playing one game of Civilization 2 off and on, pushing it as far into the future as he could. In a 2012 Reddit post, he described the world that resulted as "a hellish nightmare of suffering and devastation."
