Yu-Gi-Oh! World Championship Tournament 2004 Cheats and Codes

Unlock Boosters
To unlock these boosters, you must have ten wins against the specified duelist. Losses/ties don`t count against your total wins.

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

Faster Duel Speed
When choosing a duelist, hold down L until the duel starts. The gameplay speed will be twice as fast