This page contains Ben 10: Omniverse Passwords for Xbox 360 called "Upgrade Gavattack, Wildvine and XLR8" and has been posted or updated on Dec 4, 2012 by AuronXXX. Let us know what you think of this Password by thumbs voting.
Upgrade Gavattack, Wildvine and XLR8
For this go to your "Extras" menu and choose "Promotions". From there enter the following passwords after selecting your alien:
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