ヘビーウェイトチャンプGG Game Gear, 1991 George Foreman's KO Boxing ヘビーウェイトチャンプ Also released in North America and Europe. PlatformGame Gear Released in Japan27 December 1991 PublisherSIMS Product codeT-44027 Mediaphysical Other regions North America George Foreman's KO Boxing 1992, Flying Edge, physical Europe George Foreman's KO Boxing 1992, Flying Edge, physical Add to my collection Open in Tana