The game was created by Valve Software in 2012. It is a multiplayer shooter with online battles, in which two teams compete for victory. The game is played with the mouse and keyboard, or with a console controller. Each player can choose one of several types of character, each with unique abilities. The most popular modes are: Deathmatch, Arms Race and Demolition. In addition to the main game, there are other games, such as: zombie mods, single-player missions and mini-games. The Sawed-Off is a shotgun that, despite its size, has a very strong power. It is equipped with a silencer and fits perfectly in the hands of the players who prefer to fight at close range and ambush their opponents. The Serenity skin of this weapon is an unusual design, with a dark blue and white color scheme.