That’s why Minh “Gooseman” Le and Jess Cliffe decided to create a Half-Life mod that would enable players to fight in a Terrorist vs Counter-Terrorist showdown using modern weapons and utility. At the time, the only real titles dealing with modern warfare were the incredibly complex Rainbow Six and SWAT series. The 90s were full of games set during World War II and in otherworldly sci-fi, but realistic shooters were a dime a dozen. Counter-Strike was originally created in a time when shooters weren’t really set in modern times.