Counter Strike Online Wiki

See Lincoln for his rival.

Mao is a male Terrorist character in Counter-Strike Online 2.


Mao is an Asian assassin, quiet personality and does not like collective operations, he prefers to act alone to complete the task. Recently he participated in a terrorist organization to assassinate an important figure in the dedicate of counter-terrorism agency, due to the murder of more than 10 suspects wanted by the police counter-terrorist units.

Release date[]

  • South Korea: 9 January 2014.
  • Taiwan/Hong Kong: 18 February 2016.
  • China: 23 March 2016.




  • This is the third character that has a different radio message voice. The first one is Yuri and the second is Choi Ji Yoon.
  • If watched closely, Mao made several appearances in the Counter-Strike Online 2 trailer. Although his then outfit was slightly different than the current one, his cap has the same "CSO II" emblem sewn on it.