How do you unlock all the characters in the game Naruto: Ninja Destiny for the DS?

I have the characters naruto, sasuke, kakashi, sakura, rock lee, might guy, neji, shikamaru and temari. How do I unlock the rest?|||to unlock tsunade-beat difficult story mode without using continues





to unlock jiariaya-beat tsunades arcade mode





to unlock orochimaru-beat jiariya%26#039;s arcade mode





to unlock gaara-beat difficult story mode





to unlock itachi-beat every character%26#039;s story mode that you currently have





to unlock nine-tailed naruto-beat itachi%26#039;s arcade mode





to unlock cursed mark level 2 sasuke-have every other character then beat sasukes arcade mode again





to unlock gia-beat normal story mode without using continues





to unlock temari-beat normal story mode





and then naruto,sasuke,sakura,kakashi,lee,shikama... neji are already on the game





P.S. to get itachi easier start a fresh game and beat naruto,sasuke,sakura,kakashi,lee,shikama... neji%26#039;s arcade mode