Counter-Strike: Global Offensive (CS:GO) is a 2012 multiplayer tactical first-person shooter developed by Valve and Hidden Path Entertainment. It is the fourth game in the Counter-Strike series. Developed for over two years, Global Offensive was released for OS X, PlayStation 3, Windows, and Xbox 360 in August 2012, and for Linux in 2014. Valve continues to regularly update the game, both with smaller balancing patches and larger content additions.