Counter Strike Online Wiki

Mega Bonus is a giveaway event in Counter-Strike Online.


CSO Mega Bonus is a special event in Counter-Strike Online. In every CSO Mega Bonus always held a giveaway weapon PERMANENTLY if the player log-in during the event periods.

Weapons given[]

QBZ95BPkmKingcobraTar21 iconPsg1

Release date[]

  • Indonesia: 11 September 2013.
  • Taiwan/Hong Kong​: 9 April 2014.

List of Mega Bonuses[]

  • 10,13,14 April 2013: Get permanent QBZ-95B upon first login during event.
  • 11 ~ 14 September 2013: Get permanent PKM upon first login during event.
  • 23 ~ 26 October 2013: Get permanent King Cobra upon first login during event.
  • 10 December 2014 ~ 7 January 2015: Get permanent PSG-1 upon first login during event.
Taiwan/Hong Kong​
  • 9 April 2014: Get permanent TAR-21 after continuous login for 10 days and complete 1200 minutes of gameplay each day (requires 4 players and above).



  • Most of the weapons given are cash weapons (ex: King Cobra and PKM).
  • During the QBZ-95B giveaway in Indonesia region, there is a bug where the players are able to receive up to 3 units of QBZ-95B, one per day.
  • There is a bug in Taiwan/Hong Kong region where the players can receive more than 1 unit of TAR-21 if they login more than once a day. This bug was fixed on 25 April 2014 and the other TAR-21s in barrack have been removed automatically.