Naruto: Ultimate Ninja 3 Cheats For Playstation 2

Unlock Characters

At the main menu do the following:

1. Hold R1 + R2 then press Square, Triangle, Square, Triangle
2. Hold L1 + L2 then press right, up, right, up
3. Press L3 + R3 at the same time.

This will unlock all characters except for Hanabi and 4th Hokage.

Unlockable	How to Unlock
'Might Suit' Naruto	Finish Narutimetto Road(story)
1st and 2nd Hokage	after completing udon and moegi's challenge, do ebisu's challenge at the resturaunt next to the scroll store
All other characters	Do Naruto Eiyuuden
Anbu Kakashi	Finish Narutimetto Road(story)
Anko	Beat her in Narutimetto Road(story)
Asuma	Beat him in Narutimetto Road(story)
Hanabi Hyuuga	'Date' her in Narutimetto Road(story)
Konohamaru	do moegi and udon's riddle game at the academy(after the story)
Kurenai	Beat her in Narutimetto Road(story)
Yellow Flash(4th Hokage)	get the other 41 characters

Unlimited Scrolls

Go to the room where Iruka-Sensei is (the house in front of Ichiraku Ramen) and talk to him. Select the 2nd option, then the 2nd option again. There will now be scrolls on top of Ichiraku Ramen. Repeat.