All Working Ben 10: Protector of Earth Cheats - DS

Cheat Codes
Enter the following codes at the menu:

[Up], [Right], [Down], [Left], [A], [B], [Select] - Ultra Ben Skin.
[Left], [Right], [Left], [Right], [L], [R], Select - Gwen 10 Skin.
[A], [Left], [Y], [Right], [X], [Up], [B], [Down], [Select] - Unlock Upchuck.
[A], [B], [X], [Y], [L], [R], [Select] - Galactic Enforcer Skin.
[A], [Left], [A], [Right], [A], [Left]... - Invincible Ben (enter this code as Ben).

Master Control
Beat the game once and then continue collecting all 30 sumo slammer cards. When done, enter any "Insane" level and the master control will be activated -- in this mode you have unlimited Omnitrix battery and can switch between aliens without reverting back to the human form.

Unlock Omnitrix Aliens
XLR8 - Complete Grand Canyon. Cannonbolt - Complete Hoover Dam.
Wildvine - Complete Seattle Space Needle.