Counter-Strike Online

Counter-Strike Online
DeveloperNexon
PublisherNexon
SeriesCounter-Strike
EngineGoldSrc (Online)
Source (Online 2)
PlatformMicrosoft Windows
ReleaseOnline
  • TW: July 24, 2008
Online 2
  • AS: December 2013
GenreTactical first-person shooter
ModeMultiplayer

Counter-Strike Online (CSO) is a tactical first-person shooter video game, targeted towards Asia's gaming market released in 2008. It is based on Counter-Strike and was developed by Nexon with oversight from license-holder Valve. It uses a micropayment model that is managed by a custom version of Steam.