This page contains Prototype Unlockables for Xbox 360 called "Secret Achievements" and has been posted or updated on Jul 30, 2009 by TheScarletWitch. Let us know what you think of this Unlockable by thumbs voting.
Complete one of the following achievements to collect their Xbox Gamerscore points:
|Unlockable:||How to Unlock:|
|Children Of Blacklight (20 GP)||You've completed the Supreme Hunter Boss Battle.|
|Crossing The T (10 GP)||You've completed the Hunter Boss Encounter.|
|Errand Boy (10 GP)||You've completed the Specialist Boss Fight.|
|Hope (20 GP)||You've discovered the truth behind Hope, Idaho.|
|On Instinct (20 GP)||You've completed the Mother Boss Battle.|
|One Thousand Suns (40 GP)||You've completed the Supreme Hybrid Boss Battle.|
|Origin (20 GP)||You've discovered the history of Elizabeth Greene.|
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