"Battlefield wind" is a series of first person shooting games, which began with "battlefield wind 1942" launched on Microsoft Windows and OS X in 2002. The series was developed by EA dice of Sweden and released by electronic art of America. The series focuses on large maps, teamwork and vehicle warfare. The PC games in this series are mainly aimed at online multiplayer games. Since its inception in 2002, as of 2012, more than 50 million players have played 11 games and 12 expansion packs.

Battlefield series games usually focus on large online multiplayer combat. Team play has become the main content of the series of games.

Since battlefield 2, the series has centrally recorded the online statistics of each player, enabling them to obtain rank promotion and weapon unlocking based on their own statistics and rewards such as medals, ribbons and pins.

There is a class system in all the "battlefield" games. Each class has different types of main weapons and different equipment to play different roles in the battlefield.

"Battlefield situation" has appeared in the game with the knife and other players in close combat capabilities. Since 2142, the series has awarded each player killed by a knife a dog tag.