When aliens attack the earth, it's Ben Tennyson to the rescue! With his Omnitrix he can change into 10 alien forms and use their power to clobber all the bad guys in the cartoon. With the Ben 10: Protector of Earth game you're the one in charge of all his powers and it's up to you to bash bosses like Kevin 11, the Forever Knights and Vilgax before they trash the place. To help you out, Cheat Street has a batch of cheat codes for the DS, PSP, PS2 and Wii that let you unlock more forms and powers! Check 'em out and don't forget that Cheat Street is loaded with game cheats, codes, secrets, hints, tips and walkthroughs to help you beat your fave games!

DS Cheat Codes

There's a hidden alien form in the DS game, the powerful Upchuck! He can spray puke like a nuclear-powered squirtgun, clearing the screen with one super-gross blast. Here's the code you can use to unlock him.

A, Left, Y, Right, X, Up, B, Down, Select

PSP, PS2 and Wii Cheat Codes

These two cheat codes let you unlock all the alien combos and every location! Here they are.

CHFC - Unlocks every Alien Combo.

HXXC - Unlocks every Location.

To enter them, you need to know which aliens those letters stand for. Here's the translation:

F = Fourarms :: Red/black alien.

H = Heatblast :: Flaming alien.

X = XLR8 :: Black/blue alien.

C = Cannonbolt :: Yellow/white alien.

W = Wildvine :: Green plant-like alien.

Now that you have the codes, where do you enter them? Here's where to go:

1. Load a saved game or create a new one.

2. Go to the Map Selection screen, press + and select "Extras"

3. Choose "Enter Secret Code"

4. Enter the code you want. You'll get a message when it's successful.

5. Leave the Enter Secret Code menu.

6. Select Secrets and turn on or off the power-up.

7. Start playing, your cheat will be active!

That's it for Ben 10: Protector of Earth video game cheats and walkthroughs this week. But come back next week for even more game cheats! Don't forget, if you get stuck and need a game cheat code, and let him know!

Get More Awesome Video Game Cheats Here!