Playable Characters ( SO FAR )Naruto Uzumaki (Playable in Part I and Part II versions) (One-Tailed Form), (Four-Tailed Form), (Nine-Tails Chakra Mode) also Part II Naruto playable in Sage Mode form and Hokage costume (Six-Tailed Form)
Sasuke Uchiha (Playable in Part I and Part II versions) (Curse Mark Mode) and Chūnin
Exam Outfit (Sharingan); playable with Taka outfit (Susano'o), White Hebi outfit and Black Hebi outfit (Curse Mark Mode); Akatsuki cloak (Mangekyō Sharingan)
Sakura Haruno (Playable in Part I and Part II versions) (Inner Sakura)
Kakashi Hatake (Mangekyō Sharingan Mode), also playable as Young Kakashi (White Fang Mode)
Sai
Yamato
Shikamaru Nara (Playable in Part I and Part II versions, also in Part I with Flak Jacket)
Ino Yamanaka (Playable in Part I and Part II versions) (Inner Ino)
Chōji Akimichi (Playable in Part I and Part II versions) (Expansion Mode)
Asuma Sarutobi
Kiba Inuzuka (Playable in Part I and Part II versions)
Shino Aburame (Playable in Part I and Part II versions)
Hinata Hyūga (Playable in Part I and Part II versions) (Byakugan Mode, Twin Lion Fists Mode)
Neji Hyūga (Playable in Part I and Part II versions) (Byakugan Mode)
Rock Lee (Playable in Part I and Part II versions) (Eight Gates Mode)
Tenten (Playable in Part I and Part II versions)
Might Guy (Eight Gates Mode)
Tsunade
Jiraiya (Sage Mode)
Hiruzen Sarutobi
Minato Namikaze (Playable with Flak Jacket and Hokage costume) (Yellow Flash Mode)
Obito Uchiha (Sharingan Mode)
Hashirama Senju
Tobirama Senju
Gaara (Playable in Part I and Part II versions, also in Part I with Sasuke Retrieval Arc outfit)
Temari (Playable in Part I and Part II versions, also in Part I with Sasuke Retrieval Arc outfit and Kage Summit Arc Outfit)
Kankurō (Playable in Part I and Part II versions, also in Part I with Sasuke Retrieval Arc outfit and Kage Summit Arc Outfit with Scorpion Puppet)
Chiyo (Chikamatsu Ten Puppets)
Orochimaru
Kabuto Yakushi
Kimimaro (Curse Mark Mode)
Itachi Uchiha (Susano'o)
Kisame Hoshigaki (Samehada Fusion Mode)
Deidara (C2 Dragon Mode)
Sasori (Scorpion)
Hidan (Jashin Ritual Mode)
Kakuzu (Earth Grudge Fear)
Tobi (Sharingan Mode)
Pain
Konan (Angel Mode)
Karin
Suigetsu Hōzuki
Jūgo (Curse Mark Mode)
Haku
Zabuza Momochi (Demon Mode)
Killer B (Full Eight-Tails Mode)
A (Lightning Release Armour)
Ōnoki
Mei Terumī
Danzō Shimura
Support Characters ( Confirmed )Tayuya
Kidōmaru
Jirōbō
Fū
Torune
Akatsuchi
Ao
Chōjūrō
Kurotsuchi
Darui
C
Sakon and Ukon
Anko Mitarashi
Shizune
Kurenai Yūhi
*
Remember These Support Characters Are Not Playable *
Playable StagesKonohagakure (Normal, Destroyed, Ruined)
Training Field
Grassy Waves Prairie
Forest of Death
Forest of Quiet Movement (Day, Evening, Night)
Konohagakure Forest (Day, Evening)
Kage Summit Hall
Great Naruto Bridge
Orochimaru's Hideout (Normal, Destroyed, Inside)
Akatsuki Hideout
The Uchiha Hideout (Normal, Destroyed)
Forest of Dead Trees
Amegakure (Upper, Lower)
Chūnin Exams Stadium
Chūnin Exams Preliminary Arena
Top of the Lookout Tower
Valley of the End (Sunny, Rainy)
Samurai Bridge (Upper, River)
Land of Iron
Valley of Clouds and Lightning
Mountains' Graveyard
Site of Chibaku Tensei (Outskirts of Konoha)
Five-Seal Barrier Cliff
Sunagakure Gate
Sunagakure
Ninja Academy
Mount Myōboku

It looks really good so far..