Note: This game is also titled Kunoichi.
Successfully complete the game on the normal or hard difficulty settings. A different alternate costume for Hibana will be unlocked under each setting.
Collect all 88 Secret Clan Coins in the game to unlock an alternate costume for Hisui.
Successfully complete the game on the easy difficulty setting to unlock Hisui.
Insert a memory card with a saved completed game from Shinobi. Then, successfully complete the game on the normal difficulty setting to unlock Hotsuma.
Successfully complete a total of eighty eight missions in the game and collect the Secret Clan Coins to unlock Joe Musashi.