Microsoft Xbox: Cheats and Tips
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All Games

Completion Bonus
Complete the game using the normal difficulty setting to unlock a new costume and plasma saber. Hold down the Left trigger and select 'New Game' to use the new costume.
100% success rate. 

Unlock Very Hard Difficulty Setting
Complete the game using either the Normal or the Hard difficulty setting to unlock the Very Hard difficulty setting.

Unlock Plasma Saber Mk 2
Complete the game using the very hard difficulty setting.

Above are all the Ninja Gaiden cheats, codes, tips, hints, secrets and walkthoughs that are currently in the Cheat Chest database. Because we do not have every game for Microsoft Xbox, Cheat Chest unfortunately can not guarantee that each Ninja Gaiden cheat we have works. If any of the cheat codes above is incorrect, please rate the Ninja Gaiden cheats at our partner site Neon Gaming, as enough bad ratings will automatically remove the cheat from our database.