Order of Battle: U.S. Pacific is a substantial DLC expansion for the base turn-based strategy simulator, requiring Order of Battle: World War II. Released in 2016, this content shifts gameplay to the Pacific Theater, tasking you as the US commanding officer to halt Japanese aggression from Pearl Harbor onward. Core gameplay involves tactical deployment, supply chain management, and unit recruitment across naval and island campaigns. A distinctive feature is the gradual technological modernization of your army, fleet, and air force as you progress through the strategic scenario.
The gameplay adheres to the established Order of Battle framework, operating as a Turn-based strategy (TBS) Simulator. Success in this theater demands meticulous operational planning, especially concerning logistics across long oceanic distances. You are responsible for recruiting and deploying a combined force of ground, naval, and air units. A critical component of survival and eventual victory involves organizing an effective supply chain to sustain forces operating far from established bases.
The core loop involves tactical movement, positioning units to exploit terrain advantages, and managing combat resolution across numerous island and naval scenarios. Players must constantly adapt their strategy to the unique challenges presented by amphibious warfare and long-range naval engagements.
A defining feature of this campaign is the emphasis on technological progression. As you advance through the historical timeline, new technologies and specialized equipment become available. This allows for the gradual modernization of your Army, Fleet, and Air Force, which is essential for overcoming early-war disadvantages and adapting to the evolving nature of the conflict in the Pacific.
This DLC provides a substantial, focused narrative experience dedicated solely to the US Pacific campaign. It integrates directly into the existing strategic framework of the parent title, offering a deep dive into this specific theater rather than introducing entirely new overarching game systems. The scope is defined by the historical progression of US involvement in the Pacific, providing a dedicated set of missions, units, and technological unlocks specific to that conflict.
Players must manage unit experience and morale while ensuring that older equipment is phased out for newer, more capable assets as they become available through research and production. This technological leap is a key differentiator in maintaining operational superiority against the enemy forces throughout the duration of the campaign.
As a long-standing expansion, the content is stable on PC and Mac platforms. Community feedback generally highlights the detailed focus on the naval and island-hopping aspects of the Pacific War, which provides a distinct tactical flavor compared to the broader European conflicts covered in the base game. Since its release in 2016, this content has remained a core, established part of the Order of Battle experience.