Counter-Strike: Global Offensive is a multiplayer first-person shooter video game developed by Valve and Hidden Path Entertainment. It is the fourth game in the Counter-Strike series and was released for Windows, OS X, Xbox 360, and PlayStation 3 in August 2012, while the Linux version was released in 2014.
San Andreas Multiplayer is a mod of the Windows version of Grand Theft Auto: San Andreas that lets you enjoy the same great Rockstar game online against your friends and other players from around the world, with up to 500 gamers playing at the same time on one server.
Half-Life 2: Deathmatch is a multiplayer first-person shooter video game developed by Valve. Released on Steam on November 30, 2004, it uses many of the assets from Half-Life 2 and its Source engine. It features new levels, optimized for multiplayer arena play, and a few new weapons.