Ninja Gaiden Sigma

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

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

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

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

Ninja Dog mode:
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

 