Unlockable Characters

Aizen Sousuke Clear Arcade Mode with Ulquiorra
Arturo Plateado Unknown; in relation to Story Mode

Grimmjow Jaggerjack Clear Arcade Mode with Aizen Sousuke

Hinamori Momo Unknown; in relation to Story Mode
Hisagi Shuuhei Unknown; in relation to Story Mode

Ichimaru Gin Clear Arcade Mode with Matsumoto Rangiku

Kuchiki Rukia Unknown; in relation to Story Mode
Kurotsuchi Mayuri Clear Arcade Mode with Ishida Uryuu
Kusajishi Yachiru Clear Arcade Mode with Yumichika Ayasegawa
Kyouraku Shunsui Clear Arcade Mode with Sado Yasutora

Madarame Ikkaku Unknown; in relation to Story Mode

Shihouin Yoruichi Clear Training Mode
Soi Fon Unknown; in relation to Story Mode

Tousen Kaname Clear Arcade Mode with Komamura Sajin

Ukitake Juushiro Clear Arcade Mode with Kyouraku Shunsui
Ulquiorra Clear Arcade Mode with Ichimaru Gin
Urahara Kisuke Clear Arcade Mode with Kurotsuchi Mayuri

Yamada Hanatarou Beat Episode Mode with Youshiro Hitsugaya.
Yamamoto Genryuusai Shigekuni Clear Arcade Mode with Ukitake Juushiro
Yumichika Ayasegawa Clear Arcade Mode with Madarame Ikkaku