Zero's Black Armor:

At the character select screen, highlight Zero. hold R1 and press right 6 times,release R1, hold O and press X

Megaman's Ultimate Armor And Nova Strike: First do the Megaman's armor code, then play throug the first intro stages.



Play in the jungle and in the second big Waterfall and while you are going down don't go straight.



Go right and and go straight until you'll see a capsule. Go in the capsule and when you're out you should have Ultimate Armor Nova Strike an Aerial Attack! to do the Giga Attack press R2