 The Xbox 360 version of "Left 4 Dead" has the same game modes as the PC version but has additional features such as support for split screen, allowing for two players to play offline and online from the same console, and System Link play.Split-screen mode can also be achieved on the PC version, but it requires console commands and may require the modification of controller configuration files; and it is not officially supported.Both versions of the game have a new matchmaking system to simplify the process of finding other players.