Mega Man Zero 2 Cheats

Hard difficulty:
Finish the game. Then, highlight the "New Game" option and hold L + A. A sound will confirm correct code entry.

Graphics gallery:
Finish the game under hard difficulty. Then, highlight the "New Game" option and hold Select + L + A. A sound will confirm correct code entry.

Alternate Zero armors:
Finish the game under easy, normal, and hard difficulty. Then, press Start and press L or R until you get to a menu with Zero's helmet with a different color. There are pink, black, and red versions.

Gain more level with Chain Rod:
Keep hitting on a life or money object to earn more attack points.

Easy lives:
Keep returning to The Desert Ambush to gain more 1-ups.

Combo:
Equip Ultimate Form, then use Buster Shot. Keep pressing Down/Forward + B (for Buster attack). Anything in front of you will be obliterated.

How to use the Whip:
The whip get far items, but more importantly it can also move some heavy cubes and perform a swinging move. Press and hold B while in the air, and when it grapples onto something, push Left or Right to swing. Release B to let go the Whip.