View source for Counter-Strike Online 2

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{{cso2|4}} (CSO2) is a free-to-play first person shooter. A second installment of {{cso|4}}, powered by {{valve|4|addtext='s}} {{src|4|nt=1}}.

== Features ==
The game presumably runs on heavily modified version of {{src13mp|1}}, with the following features:
; LZMA-compressed [[VTF]]
: Textures appears to be LZMA-compressed, to reduce game file sizes.
; Cascaded Shadow Maps {{also|{{asd}}, {{csgobranch}}, {{lw}}, {{xengine}}}}
: Real-time dynamic shadows from skybox.

==Current Status==
On February 22, 2018, Nexon announced the discontinuation of support for Counter-Strike Online 2. The master server shut down on April 26, 2018, making it impossible to play the game officially. Modders created alternative launchers for CSO2, allowing access to custom servers with limited features. [https://cso2.wohlnet.ru CSO2 Global Server] provides an unofficial English and Russian version of the game.
{{note|The game is no longer officially supported, and player access depends on community-created solutions.}}

==Overview==
Valve and Nexon Korea partnered to unveil Counter-Strike Online 2, a sequel to the 2008's {{cso|1}}. The free-to-play first-person shooter gained popularity across Asia.
As per the agreement, Nexon Korea developed and exclusively published CSO2 in Japan, Korea, China, and Southeast Asia. The game boasted enhanced graphics, real-time shadows, and more realistic gameplay powered by an upgraded Source engine.

===Modes===
CSO2 featured various game modes, including submodes like Pistol Battle, Knife Battle, AWP Battle, AWP Forbidden, and Capture The Flag (Big City only). The Training Course, added in later updates, involved playing as a Terrorist in a campaign mode mission.

===Game Maps===
CSO2 offered diverse maps, enhancing the gaming experience.

===Characters===
A variety of characters added depth to CSO2, each contributing to the unique gameplay.

===Weapons===
A wide range of weapons, each with its characteristics, was available for players to choose from.

===Kill System===
CSO2's kill system expanded from First Blood to Godlike, with special icons for headshots, grenade kills, wall shots, jump shots, assists, and more.

===Achievements===
CSO2 had a comprehensive list of achievements for players to unlock.

==Development==
===Closed Beta Testing (CBT)===
During the CBT in Korea, players experienced modified maps from Counter-Strike: Source, improved inventory, and updated weapon appearances. The final test included the reveal of the Big City map.

===Open Beta Test===
Launched on August 6, 2013, the open beta featured the Big City map with drivable vehicles and additional functions.

===Updates===
*'''Update 22 August 2013''' Introduced the Weapon Unlock system, new game modes for Big City, and additional features.
*'''Update November 2013''' Included more beta testers and added a Recruit level channel.
*'''Update December 2013''' Implemented the Cash point system.

==System Requirements==
The game required a minimum of an Intel Core2 (2.0 GHz) processor, 1 GB RAM, and Nvidia GeForce FX FX5600 or ATI Radeon 9600 graphics card.

==Trivia==
*CSO2 used the modified {{src13mp|1}} engine, similar to Counter-Strike: Source. It featured new icons for multiple kill styles and had no spray function.

== See also ==
* {{cso|4}}
* {{csnz|4}}

==External Links==
=== Official Website ===
* [https://web.archive.org/web/20161022101024/http://csonline2.nexon.com/ Counter-Strike Online 2 Korean website] (archived)
* [https://web.archive.org/web/20180301175703/http://csol2.tiancity.com/homepage/v3/ Counter-Strike Online 2 China website] (archived)
* [https://web.archive.org/web/20160304082858/http://tw.beanfun.com/CSO2/Pre_www/index.html Counter-Strike Online 2 Taiwan website] (archived)
=== Unofficial ===
* [https://cso2.wohlnet.ru/ Unofficial CSO2 Private Server]
* [https://github.com/L-Leite/cso2-launcher GitHub Repository of unofficial CSO2 Launcher]
{{Counter strike games}}
{{SourceBranchCategory|2013mp}}