Call of Duty 2: Big Red One is a first-person shooter developed by Treyarch for the Nintendo GameCube, released in 2005. It's a console-exclusive side-story to Call of Duty 2, focusing on the storied 'Big Red One' 1st Infantry Division of the United States Army during WWII. Players experience an intense campaign following a squad through battles in North Africa, Italy, and Northwestern Europe. With realistic combat, squad-based dynamics, and historical weaponry, the game immerses players in the gritty realism and camaraderie of war.