See related story: Play FarCry, Earn $300K

According to technology and industry department of the Samsung Economic Research Institute, there are 240 professional gamers, some of whom earn several hundred thousands dollars a year. South-Korea's Lunatic-Hai is considered one of the world's most formidable Counter-Strike teams. The team holds online training sessions six to seven hours a day, six days a week, said 20-something team manager Beun-Joon Cho, who said he has "retired" as a player to study economics at Pennsylvania State University.Photo: Bruce Gain

Craig Levine, 23, owner and manager of Team 3D, estimates there are over a dozen U.S. players who can make as much as $70,000 a year. Team 3D will likely see over $500,000 in revenues this year from winnings and sponsorships. Team members, from left to write, Ronald "Rambo" Kim, Michael "method" So, Kyle "Ksharp" Miller, Salvatore "Volcano" Garozzo and Josh "Dominator" Sievers take home the $50,000 cash draw after winning the World Cyber Games last year.Photo: Craig Levine
