The name Billy Mitchell is probably familiar to the subset of players interested in classic arcade games or highscore world records. For several years Mitchell holds the record for the highest scores in Donkey Kong Pac-Man and Donkey Kong Jr which earned him the nickname "King of Kong", also of the Title of a 2007 documentary about his actions. Unfortunately, all his highscore titles were withdrawn from him and his Guinness World Records found after an investigation that his results were not genuine.
Twin Galaxies, a highly respected organization that tracks video recordings and manages high scores, conducted a lengthy study of Mitchell's long-standing scores after questions regarding the authenticity of the hardware he had played on surfaced. In particular, it was found that his score Donkey Kong was achieved with the Multiple Arcade Machine Emulator (MAME), as opposed to an authentic arcade machine claimed to be in violation of the rules of Twin Galaxies.
Part The Twin Galaxies verification process for highscore recordings includes video proof of the game being played on a real arcade case. In the case of Mitchell's Donkey Kong footage, the analysis revealed that the way the game handled board transitions was not possible on unmodified, original hardware.
Twin Galaxies' decision means that Mitchell's records were removed contained the first perfect score in Pac-Man which was discontinued in 1
Guinness made the following statement about his decision to Kotaku that it would start looking for the rightful record holders.
"The Guinness World Records titles relative to Mr. Mitchell's highest score at Donkey Kong were all disqualified due to twin galaxies are our source of affirmation for these achievements." We also recognize records for the first perfect score at Pac-Man and the highest score at Pac-Man, Twin Galaxies was the original source of verification for this record title, and in accordance with their decision to remove all of Mr. Mitchell's records from their system, we have disqualified Mr. Mitchell as the owner of these two records World Records will try to update and find the owner of these records over the next few days. "
Source Twin Galaxies, Kotaku