Call of Duty 2 is a sequel to the 2003 game Call of Duty. It continues the World War II theme, offering improved graphics, new multiplayer modes, and a more immersive single-player experience. The game's campaign allows players to experience the war from different perspectives, including American, British, and Soviet soldiers. The multiplayer mode supports up to 32 players and features several game modes, including Team Deathmatch and Domination.