Yu-Gi-Oh! GX Duel Academy Gameshark Codes Here they are!Įnter these codes into the Password Machine at the store on Saturdays to unlock these powerful cards for your deck. Reviewed by Kidzworld on (Rating: 1 Star Rating)ĭueling your way to the top of the Duel Academy in the new Yu-Gi-Oh! GX Duel Academy video game for the Gameboy Advance takes skill, study, luck, practice and… aw heck, here’s a bunch of game cheats that’ll let you clobber your opponents! These come straight from Cheat Street and they’ll let you unlock so many power ups your opponents will cry. Use these video game cheat codes to kick butt in the Yu-Gi-Oh! GX Duel Academy GBA game! Yu-Gi-Oh! GX Duel Academy GBA Game Cheat Codes!