no you need xbox live and go to exclusive content to download characters
no. you have to fight for a while then you eventually unlock characters. but if u have numbar 3, u can get ryo by fighting and u can buy characters.
You can unlock several of the older characters and side characters
No. But you have to do missions to unlock characters.
there are no cheats on naruto arena to unlock all characters figer this out
lovem
You Have to do ninja missions and some say u could unlock a person such as tayuya
get naruto six tails kyuubi in awu 3 to unlock all characters
Play a lot. =]
clear adventure at 13 characters
Characters you can unlock in ssf2 demo v0.8b are samus,bowser and captian falcon.
Naruto Ultimate Ninja 3 unlock all the characters and you will get Naruto's dad the yellow fash
Okay gamers do the story mode