Alternate Costumes:
Highlight a fighter on the character selection screen and hold CIRC + SQ and
press Start.

Submission:
Spit

Tiny Characters:
Highlight a fighter on the character selection screen and hold Down + X + CIRC
and press Start.

Submission:
Spit

Paper-Cut Characters:
Push Right ten times at the title screen.

Submission:
Spit

Comic Characters:
Push select ten times at the title screen.

Submission:
Spit

Stick Figures:
Push left ten times at the title screen.

Submission:
Spit

Hidden Characters:
Complete the game four times to reveal the four hidden characters.

Submission:
Spit