Sid Meier's Civilization is a 1991 turn-based strategy 4X (Expand, Exploit, Exterminate) video game. Take command of an entire civilization and steer it through the ages! Manage cities, exploration, governance, commerce, science, and military might. Guide your units to discover, conquer, and colonize vast lands. Make strategic choices about governance, taxation, and technological research to outshine rival civilizations. Engage in diplomacy or declare war to expand your empire's legacy. The fate of your civilization rests in your hands—forge your path to glory.