Nintendo revealed details today about its returning World Championship, set to take place this June. After nearly 25 years, the championship is making its return for Nintendo's 25th anniversary and will test gamers in their skills in a qualifying round, which will be held in various Best buy locations across the country. From 10am - 7pm, you'll have to attempt to get the highest score possible playing the 3DS title, Ultimate NES remix, completing challenges in Super Smash Bros, Super Mario Bros 3 and Dr. Mario. You can check out the list of locations here and get ready to bring your A game when the qualifying rounds begin, May 30th.