Battlefield 1942 is a 2002 first-person shooter video game developed by Digital Illusions CE and published by Electronic Arts for Microsoft Windows and Mac OS X. The game can be played in single-player mode against the video game AI or in multiplayer mode against players on the Internet or in a local area network. It is a popular platform for mod developers, with many released modifications that alter the gameplay and theme.

A multiplayer video game is a video game in which more than one person can play in the same game environment at the same time, either locally on the same computing system, on different computing systems via a local area network, or via a wide area network, most commonly the Internet. Multiplayer games usually require players to share a single game system or use networking technology to play together over a greater distance; players may compete against one or more human contestants, work cooperatively with a human partner to achieve a common goal, or supervise other players' activity. Due to multiplayer games allowing players to interact with other individuals, they provide an element of social communication absent from single-player games.