Want to crack Ninja Gaiden Sigma for the PS3? Let a hot chick help you! In the regular version of this game, you can unlock the five additional missions that come on the collector's edition. After you've solved the game, go to the mission mode screen and enter: Up, Down, Left, Down, Right, Up, Square.
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PlayStation 3 How to Unlock hidden missions in Ninja Gaiden Sigma
By Robin Mansur
Apr 21, 2008 10:33 PM
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