Counter-Strike 2 is a 2023 multiplayer tactical first-person shooter game developed and published by Valve. It is the fifth main installment of the Counter-Strike series. Developed as an updated version of the previous main entry, Counter-Strike: Global Offensive (2012), it was announced on March 22, 2023, and was released on September 27, 2023, for Windows and Linux, replacing Global Offensive on Steam.

Valve Corporation, also known as Valve Software, is an American video game developer, publisher, and digital distribution company headquartered in Bellevue, Washington. It is the developer of the software distribution platform Steam and the game franchises Half-Life, Counter-Strike, Portal, Day of Defeat, Team Fortress, Left 4 Dead, and Dota.