The "Civilization Series" is a popular turn-based strategy video game franchise created by Sid Meier. Players take on the role of a leader of a civilization, guiding it from ancient times to the modern era. The goal is to build an empire through exploration, diplomacy, warfare, and technological advancement while competing against other civilizations. Each game in the series features various civilizations, each with unique abilities and units. Players manage resources, develop cities, and engage in strategic combat. The series is known for its depth and complexity, allowing for multiple playstyles and strategies, making it a favorite among strategy game enthusiasts.