Enter the following cheats at the title screen.
Large World Map Characters: LEFT, X, UP, Y, RIGHT, B, DOWN, B
Hyper Extended Fight: DOWN, DOWN, UP, DOWN, LEFT, RIGHT, DOWN, UP, UP, UP, RIGHT, LEFT, X
Enter the following cheat at the Versus Creature Select screen
Character Variations in Versus: L, L, DOWN, DOWN, BLACK, WHITE, BLACK, WHITE, R, L, BLACK, R, R, WHITE
Enter the following cheat at the Team Fighter Creature Select screen
Character Variation in Team Fighter: L, L, DOWN, DOWN, BLACK, WHITE, BLACK, WHITE R, L, BLACK, R, R, R, WHITE