Yu-Gi-Oh! World Championship Tournament 2004 Cheat Codes (for Gameboy Advance)

[final kaoss]

• Duel Bandit Keith

Defeat all tier two duelists five times each and have a Barrel Dragon card in your trunk, and none in your deck.

• Duel Bonz

Defeat all tier one duelists three times each and open at least five Barrel Dragon booster packs.

• Duel Computer

Defeat all tier five duelists fifteen times each. Duel Seto Kaiba three times in a row, and on the fourth time the duel computer will be unlocked.

• Duel Espa Roba

Defeat all tier one duelists three times each and open at least five Red Eyes Black Dragon booster packs.

• Duel Faster

Hold L when you are at the duelist selection screen. Continue holding L until the duel starts and it will go much faster.

• Duel Ghouls (randomly)

Defeat Bandit Keith, Joey Wheeler, Mai Valentine, and Pegasus seven times each.

• Duel Ghouls (your choice)

Defeat Marik Ishtar once.

[final kaoss]

• Duel Ishizu Ishtar

Defeat all five Ghouls ten times each. You must use a deck without any magic or trap cards to duel Ishizu.

• Duel Joey Wheeler

Defeat all tier two duelists five times each and have a Jinzo card in your trunk, and none in your deck.

• Duel Mai Valentine

Defeat all tier two duelists five times each and have a Harpie Lady card in your trunk, but no Harpie's Feather Duster card in your deck.

[final kaoss]

• Duel Mako Tsunami

Defeat all tier one duelists three times each and open at least five Black Luster Soldier booster packs.

• Duel Marik Ishtar

Defeat each of the five Ghouls once.

• Duel Maximillion Pegasus

Defeat all tier two duelists five times each. Have at least one Toon World, Blue-Eyes Toon Dragon, and Toon Summoned Skull cards in your trunk.

• Duel Rex Raptor

Defeat all tier one duelists three times each and open at least five Blue Eyes White Dragon booster packs.

• Duel Seto Kaiba

Defeat Ishizu Ishtar ten times.

• Duel Simon

Defeat all tier five duelists fifteen times each. Duel either Tea, Tristan, or Truesdale three times in a row and on the fourth time, Simon will be unlocked.

• Duel Weevil Underwood

Defeat all tier one duelists three times each and open at least five Black Skull Dragon booster packs.

• Duel Yami Bakura

Defeat all tier five duelists fifteen times each. Duel Bakura three times in a row, and on the fourth time, Yami Bakura will be unlocked.

• Duel Yami Marik

Defeat all tier five duelists fifteen times each. Duel Marik three times in a row, and on the fourth time Yami Marik will be unlocked.

• Duel Yami Yugi

Defeat all tier five duelists fifteen times each. Duel Yugi three times in a row, and on the fourth time Yami Yugi will be unlocked.

• Limitation Option

Complete the game 100% (collect all cards). You can now choose to have restricted cards to be no longer restricted.

Blue Millennium Booster: Defeat Rare Hunter ten times.
Blue/Green Millennium Booster: Defeat Strings ten times.
Dark Ruler Hades Booster: Defeat Bandit Keith ten times.
Gold Millennium Booster: Defeat Odion ten times.
Guardian Sphinx Booster: Defeat Pegasus ten times.
Jinzo Booster: Defeat Weevil ten times.
Purple Millennium Booster: Defeat Umbra and Lumis ten times.
Red Millennium Booster: Defeat Arkana ten times.
Relinquished Booster: Defeat Rex Raptor ten times.
The Masked Beast Booster: Defeat Maku Tsunami ten times.
Thousand-Eyes Restrict Booster: Defeat Bonz ten times.
Toon Summoned Skull Booster: Defeat Espa Roba ten times.
Yamata Dragon Booster: Defeat Joey Wheeler ten times.
Zombrya the Dark Booster: Defeat Mai Valentine ten times.

• Permanently Unlock Duelists

Some duelists have extra requirements to unlock. You must constantly meet these requirements or they will vanish from the selection screen. If you defeat a duelist with special requirements ten times, they will be permanently selectable, regardless of their past requirements. For example, if you defeat Joey ten times, you can then duel him even if you have a Jinzo card in your deck. Note: Losses and ties do not count against your total wins.

• View Credits Again

View the credits at least once. To view them again, press Up, Up, Down, Down, Left, Right, Left, Right, B, A at the selection menu.