- Wii U
Game Cheats:
Upgrade Codes:
At the 'Main' menu select the 'Promotions' option and enter one of the following codes by selecting the indicated aliens to unlock the corresponding upgrade.
Wildvine Upgrade:
Enter Gravattack, Eye Guy, Arctiguana, Wildmutt as a code.
XLR8 Upgrade:
Enter Shocksquatch, Gravattack, Arctiguana, Diamondhead as a code.
Gravattack Upgrade:
Enter Feedback, Fourarms, Diamondhead, Bloxx as a code.
December 28, 2012 - 1:35pm