There are One Piece and Naruto games that never floated overseas, but the shoot 'em ups are my highlights.
Radilgy GeneriC has a few modes that aren't available in the DC release, at the very least.
Shikigami no Shiro II is the definition of a quickport, though. There was a special edition with some rather useless exclusive figurines, but that was it.
"Of all the things I've lost, I miss my mind the most."
Battle Fighter D.O.N - a Dragon Ball Z, One Piece & Naruto fighting game.
Bobobo-bo Bo-bobo Dassutsu! Hajike Royale - Some bizarre arena fighter.
Bomberman Land 2 - Collection of mini-games
Charinko Hero - Kart racer featuring characters from Kamen Rider Black & Ultraman
Donkey Konga 3 - japan only sequel to this music game series
DreamMix TV World Fighters - 2.5d fighter featuring characters from Konami and Hudson, among others
Giftpia - Animal Crossing style game
Kururin Squash! - puzzle game
Mr. Driller: Drill Land - puzzle game
Nintendo Puzzle Collection - collects Dr. Mario, Panel de Pon & Yoshi's Cookie
There's also a ton of fighters based of various animes like Naruo, Bleach, Shaman King etc