Advanced Squad Leader (ASL) is a tactical board game that simulates squad-level combat during World War II. Players control small units of soldiers, using strategy and tactics to outmaneuver and defeat their opponents. The game features detailed rules covering various aspects of warfare, including terrain, weather, and different types of units. ASL is known for its complexity and depth, offering numerous scenarios and campaigns for players to explore. It includes a wide range of historical contexts, allowing players to engage in battles from different theaters of the war. The game is popular among wargaming enthusiasts for its realism and strategic challenges.