Unlockables - 500000 points bonus for Urahara shop

When starting the game with "Bleach Advance: Kurenai ni Somaru Soul Society" inserted in the GBA slot, you got a 500000 points bonus for Urahara shop

500000 points Start the game with Bleach Advance inserted in the GBA slot

Unlock Bonnie - To unlock Bonnie (the boar), clear Ganju's story mode. Bonnie has no standard moves, and only three special moves. Also, you get $200000 for clearing Arcade mode with her.

Unlock Hollow Ichigo - Complete the first 22 story modes to unlock the 23rd story mode. Completing the 23rd story mode unlocks Hollow Ichigo. Hollow Ichigo has the same moveset as Ichigo, only with a different sprite and voice.

Unlock Time attack survival mode
Survival mode complete all stories
Time attack complete all stories

Unlockable characters - First beat Ichigo's story mode

Bonnie Beat episode 06
Extra 1000000KAN Beat all episodes (1-23)
Hollow Ichigo Beat Story 23 (Chronicles Of The Soul Reaper)
Kon Beat Rukia's Story
Kuchiki Rukia Beat Yorouchi's Story
Kusajika Yachiru Beat Zaraki Kenpachi's story mode
Sajin Komamura (No Helmet) Beat episode 14
Sajin Komamura (With Helmet) Beat episode 13
Shigekuni Yamamoto Genryusai Beat Ichigo's Story
Soi Fon Beat Ichigo's Story
Soi Fon Do all the moves Yoruichi asks you to do in episode 1.
Sousuke Aizen Beat episode 22
Tatsuki Beat Orhime's Story
Ukitake Beat Ichigo's Story
Unlock Episode 18 Do not press select on the Yoruichi training stage on episode 1. Instead do all the moves she asks you to do.
Yorouchi Beat Ichigo's Story