This page contains Ben 10: Protector Of Earth Unlockables for Nintendo DS called "Master Control" and has been posted or updated on Apr 1, 2008 by Platinumboy. Let us know what you think of this Unlockable by thumbs voting.
Beat the game once, then continue collecting all 30 sumo slammer cards. With that done, enter any level with "Insane" level. The Master Control will be activated, which allows unlimited Omnitrix battery, and switch in between aliens without reverting back to the human form.
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