From playing hide and seek with Konohomaru, to chasing Akamaru through the Hidden Leaf Forest, to fighting Gamabunta...
The actual fighting is perfect, the giant 3-dimensional battle fields look and feel like the show, and multiplayer WITHOUT a split-screen is a blast, you can even end up fighting while wallking on water, or the side of a cliff or wall.
If you don't feel like fighting, you can always explore the Hidden Leaf Village, which is almost a perfect recreation from the show. Fans will notice Naruto's home, Yamanka Flower shop, the Hospital, and the Hokage building all perfectly recreated, buts thats just the tip of the iceberg. There are many other buildings hidden around the Village, like the Ninja Academy. The Village is also full of familiar faces, Kakashi, Hinata, Sakura, Sasuke, Kiba, Konohomaru, virtually anyone you can think of is around somewhere, even Gaara.
Progressing through the story is excellent, and collecting figures of characters for Dioramas that mimic famous scenes from the show is fun.
SPOILER AHEAD
Even the moment where Naruto summons Gamabunta and argues with about being his master is here, in a epic giagantic fight.
SPOILER OVER
Final word--- Get this amazing game!