L'Empereur is a grand strategy game released for DOS in 1991 by Koei. Set during the Napoleonic era, players assume the role of Napoleon Bonaparte, aiming to conquer Europe through military strategy, diplomacy, and economic management. The game features turn-based battles, resource management, and historical events, blending tactical warfare with statecraft. Known for its depth and complexity, L'Empereur is a classic among fans of historical strategy games.