Counter-Strike series

Counter-Strike is a series of predominantly multiplayer tactical FPS games.

The Counter-Strike series consists of the following games:

• Counter-Strike ()
  • Originally known as Half-Life: Counter-Strike. Commonly and retroactively refers to as Counter-Strike 1.6 by the community in order to distinguish from later titles.
• Counter-Strike: Condition Zero ()
  • Counter-Strike (Xbox) ()
  • Condition Zero Deleted Scenes ()
• Counter-Strike: Source ()
• Counter-Strike: Global Offensive ()
  • No longer available, replaced by Counter-Strike 2. It can still be obtained by downloading the "csgo_legacy" branch.
• Counter-Strike 2 ()

Additionally, the following games are officially licensed by Valve:

• Counter-Strike Neo (, Arcade)
  • Counter-Strike Neo: White Memories (, Visual Novel)
• Counter-Strike Online ()
  • Counter-Strike Nexon ()
• Counter-Strike Online 2 ()

Finally, the following mods and fangames not licensed by Valve, but are notable for some reason or another:

• Counter-Strike: Classic Offensive ()
• FreeCS (; clean-room reimplementation of Counter-Strike 1.5 in QuakeC)