Counter-Strike Online is a 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.

Counter-Strike Online is a 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.