Ninja Gaiden Cheat

Ninja Gaiden Sigma

Bonus missions:
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Press Up, Down, Left, Down, Right, Up, Square at the Mission mode screen to
unlock five bonus missions

Mission mode:
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Successfully complete Story mode under the Normal difficulty setting.

Ashtar Ryu costume:
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Successfully complete Story mode under the Hard difficulty setting.

Classic Ryuken costume:
-----------------------
Successfully complete Story mode under the Normal difficulty setting.

Ninja Dog mode:
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Intentionally die three times.
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Hard mode:
----------
Successfully complete the game under the Normal difficulty setting.

Very Hard mode:
---------------
Successfully complete the game under the Hard difficulty setting.

Master Ninja mode:
------------------
Successfully complete the game under the Very Hard difficulty setting.

Golden Scarab bonuses:
----------------------
Collecting the indicated number of Golden Scarabs to get the bonus at
Muramasa's shop. Note: You cannot collect Golden Scarabs when playing as Rachel.

Armlet of Benediction : 30 Golden Scarabs
Armlet of Celerity : 25 Golden Scarabs
Armlet of Fortune : 40 Golden Scarabs
Armlet of Potency : 5 Golden Scarabs
Dabilahro : 20 Golden Scarabs
Great Spirit Elixir : 35 Golden Scarabs
Jewel of the Demon Seal : 45 Golden Scarabs
Life of Gods : 1 Golden Scarab
Lives of the Thousand Gods: 10 Golden Scarabs
Plasma Saber MkII : 50 Golden Scarabs
Spirit of the Devils : 15 Golden Scarabs