BATTLEFIELD 1 Single Player Campaign Gameplay Walkthrough. br br About Battlefield 1 Campaign Single Player: br The single player campaign of Battlefield 1 will revolve around different people in different aspects of the Great War in campaigns such as the Italian Alps and the deserts of Arabia. Unlike past installments, the story will offer a much larger sandbox to allow players more choice and variety in how they approach different situations. br br Battlefield 1 Single Player Gameplay.