Booster Pack Unlock Type the next code at the card shop, interface. Go Back to main page of Yu-Gi-Oh! Additionally, this pack is unlocked by entering the Konami Code, and the first 3 digits of the pack's price, 573, can be pronounced in Japanese as ko-nana-mittsu, which can be abbreviated as Konami. Duel Monsters GX: Tag Force 3 on the PSP, a GameFAQs Q&A question titled 'How do I unlock the Dragon Pack? When the booster pack menu appears, press Up(2), Down(2), Left, Right, Left, Right, X, Circle to unlock the Midday Constellation Booster Pack.
Code - Effect Unlock 1 Booster Pack - Up, Up, Down, Down, Left, Right, Left, Right, x, o.
