Select Promotions from Extras menu and enter the following to have the following aliens fully upgraded.
Effect Password Gravattac Feedback - Fourarms - Diamondhead - Bloxx Wildvine Gravattack - Eye Guy - Arctiguana - Wildmutt XLR8 Shocksquatch - Gravattack - Arctiguana - Diamondhead
Contributed By: Warhawk.
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