Counter Strike Global Offensive was released on August 21, 2012, and made available for Microsoft Windows and OS X on Steam,Xbox Live Arcade, and a US-only version on PlayStation Network.^[1] The Linux version was released in September 2014.^[2] It features classic content, such as revamped versions of classic maps; as well as brand new maps, characters and game modes. Cross-platform multiplayer was planned between Windows, OS X and PSN players,^[3] but was ultimately limited to Windows and OS X because of the differences in update-frequency between systems.^[4] The PSN version offers three input control methods, which include using either the DualShock 3 controller, PlayStation Move or USB keyboard/mouse.