The following duelists are unlocked by completing the corresponding task during World mode.
Unlock E- Hero Lady Heat:
Beat E-Hero Knospe 5 times.
Unlock Water Dragon:
Defeat Kairyu-shin 5 times.
Unlock King of the Skull Servants:
Beat Skull Servant 5 times.
Unlock Yellow Duel Disk:
Defeat ALL World 1 opponents 2 times.
Unlock Curse Of Darkness in World Championship Mode:
In world 1 speak to Gigobyte then defeat Curse of Darkness.
Unlock Syrus Truesdale in World Championship Mode:
In world 1 defeat ALL 5 Guardian - Embust challenges.
Unlock Maximillion Pegasus in World Championship Mode:
In world 2 defeat ALL 5 Guardian Sphinx challenges.
Added by: Sanzano Dec 5th 2007, ID#5659