Blood Code
To remove the game's American censorship, go to the high
score screen. Once there, press A + D on Controller 1
while holding B + C on controller 2.

Unlock Bosses
Pick team edit. At the screen where you pick your fighters
hold Start and press Up+B, Right+C, Left+A, Down+D.
Saishu Kusanagi and Omega Rugal will appear.