Ben 10: Omniverse (Nintendo Wii)
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Upgrade Codes
From the Extras menu, select Promotions and then select the alien images outlined below to fully upgrade XLR8, Gavattack and Wildvine.
Effect
Code
Gravattack
Feedback-Fourarms-Diamondhead-Bloxx
Wildvine
Gravattack-Eye Guy-Arctiguana-Wildmutt
XLR8
XLR8 - Shocksquatch-Gravattack-Arctiguana-Diamondhead