Easier and Harder Games
At the title screen, press L seven times on Controller Two. Go
to the Options screen and
you'll see a new difficulty called "Dynamic," which
is super easy. Press R seven times on Controller Two to get the
"Almanic," or super-hard, setting.
Extra Continues
At the title screen, press Select seven times on Controller Two.
If you did the trick correctly, you'll hear a sound and be given
30 continues.
Extra Weapons
At the title screen, press Start seven times on Controller Two.
If you did the trick correctly, you'll hear a sound and be given
nine special weapons.
Player Two Controls Boss
To fight against a real opponent, start a normal game while holding
L + R on Controller Two.
You will start the game by fighting the first boss, but the second
player will control him.