This page contains Harry Potter And The Half-Blood Prince Codes for Xbox 360 called "Unlock Everything" and has been posted or updated on Jan 12, 2011 by lanerosa. Let us know what you think of this Code by thumbs voting.
Go to the Rewards sub-menu from the Main Menu, where you see the two choices, Badges and Credits. Using the d-pad, enter the following code to unlock Everything: Down, Left, Left, Left, Left, Left, Down, Down, Right, Down, Left.
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