Unity of Command II is a turn-based strategy game set during World War II, focusing on the Western Front from the Allied perspective. Players command the Allied forces, beginning with the North African campaign and advancing through Italy, France, and into Germany. The game emphasizes operational-level warfare, requiring players to manage supply lines, terrain, and unit cohesion.
Key gameplay features include fog of war, HQ management, and dynamic campaign progression. Players use headquarters to issue orders, build bridges, repair infrastructure, and reinforce units. The game introduces a card-based system for special actions like air strikes, logistics boosts, and tactical advantages.
The map is divided into hex tiles, each affecting movement and combat. Units have stats like strength, cohesion, and readiness, which are impacted by combat, supply, and terrain. Encirclement and cutting enemy supply lines are central strategies.