Counter-Strike, for short CS is a first-person shooter game developed by Valve Software, which belongs to one of the game modules of Half-Life. On September 9, 2003, "Counter Strike" v1.6 was officially released, and was listed as a necessary team project by major international e-sports events. WCG, ESWC and CPL are the three traditional events of CS1.6, attracting tens of thousands of e-sports players every year.