Nightshade

Alternate Hibana costumes:
Successfully complete the game under the normal or hard difficulty settings. A different alternate costume will be unlocked under each setting.
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Alternate Hisui costume:
Collect all 88 Secret Clan Coins in the game.
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Play as Hisui:
Successfully complete the game under the easy difficulty setting.
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Play as Hotsuma:
Insert a memory card with a saved completed game from Shinobi. Then, successfully complete the game under the normal difficulty setting.
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Play as Joe Musashi:
Successfully complete a total of eighty eight missions in the game and collect the Secret Clan Coins.
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Hint: Stealth Dash Tate:
Slap four or more enemies down. Lock on to last enemy or Boss then Stealth Dash attack him. This is a good way to kill Boss 12.
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Hint: Dagger Dance:
Use daggers to attack. After you kill the enemy, Stealth Dash once, then attack. She will do the dagger attack again. Continue dashing and attacking and it will look like she is dancing.
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