To activate the Big Heads option in the Extra Options menu
you must fight 100 matches in Arcade or Versus modes.
Honey's Bonus Outfits (Japanese version only):
Defeat the game on very hard setting in arcade mode. These
outfits are selectable in VS., training, and team battle
You must successfully perform 350 moves in training mode to
get invisible walls selectable in the options plus menu.
Options Plus Menu:
To access this menu, you must beat the game on Normal mode
or harder with any character.
Play as B.M.:
To play as the last boss, Big Mahler, you must win the game
on very hard with any character. B.M. is only playable in
Play as Kumachan:
To play as Kumachan the Bear you must fight 50 rounds in
Arcade or Vs. modes.
Play as Mahler:
To play as the smaller version of the end boss, you must
beat the game with any character in normal mode.
Thanks to Revolution reader Thomas Wisdom!