Counter-Strike: Global Offensive is a first-person shooting game developed by Hidden Path Entertainment and Valve Corporation for Mac OS, Microsoft Windows, PlayStation 3 and Xbox 360. It is the fourth release in the Counter-Strike series and originally a port of Counter-Strike: Source to Xbox Live Arcade, though the idea was dropped and the project evolved into a new game for multiple platforms.

Counter-Strike Online is a first-person shooter game developed by Nexon, with oversight by Valve Corporation, for the Asian gaming market on Microsoft Windows. The game focuses solely on online multiplayer modes, with new additions including Zombie Modes, Scenario Modes and Deatmatch Modes among others. Additionally, the game features female skins and new weapons.

Counter-Strike: Source is a first-person shooting game developed by Valve Corporation for Microsoft Windows and Mac OS. The game is a complete remake of the original Counter-Strike, using the Source Engine, and retains its team-based objective-oriented gameplay.

Counter-Strike: Condition Zero is a first-person shooting game developed by Rogue Entertainment, Gearbox Software, Ritual Entertainment, and Turtle Rock Studios under Valve Corporation's management for Microsoft Windows and Mac OS. It is a follow-up to the Half-Life mod, Counter-Strike and features a multiplayer mode and single-player mission pack.

Counter-Strike is an online first-person shooter game developed by Valve Software for the Microsoft Windows, Mac OS, and Xbox. Originally a mod for Half-Life by Minh "Gooseman" Le and Jess Cliffe, Valve eventually began to help in its development and bough the rights to it in 2000.