One Piece: Going Baseball

Overview
One Piece: Going Baseball is a Japanese only game released for the GameBoy Advance in 2004. The controls are simple and the basic point of the game is to choose a team and try to win in a tournament against all the other teams. There is a story mode, which is needed to unlock the final team, and a minigame mode.

The game appears to take place after the Skypeia Arc, as the crew is seen in the begining wearing their outfits from Skypeia, and the Skypeia arena is the farthest point that the game goes up to.

Luffy's team

 * Luffy
 * Zoro
 * Nami
 * Usopp
 * Sanji
 * Chopper
 * Robin

East Blue Team

 * Arlong
 * Krieg
 * Kuro
 * Morgan
 * Kuro
 * Hatchan
 * Gin

Grand Line Team

 * Buggy
 * Alvida
 * Wapol
 * Bellamy
 * Mohji
 * Cabaji
 * Chessmarimo

Marine Team

 * Smoker
 * Tashigi
 * Hina
 * Jango
 * Fullbody
 * Coby
 * Helmeppo

Alabasta Team

 * Vivi
 * Cobra
 * Mr. 2
 * Pell
 * Chaka
 * Kohza
 * Carue

Baroque Works Team

 * Crocodile
 * Mr. 1
 * Miss Doublefinger
 * Mr. 3
 * Mr. 4
 * Miss Merry Christmas
 * Mr. 9

Skypiea Team

 * Enel
 * Satori
 * Shura
 * Gedatsu
 * Ohm
 * Kotori
 * Hotori

Red Hair Team

 * Shanks
 * Mihawk
 * Ace
 * Benn Beckman
 * Yasopp
 * Lucky Roo
 * Rockstar

Arenas

 * Going Merry Stadium
 * Skypeia
 * Whiskey Peak
 * Marine Ship
 * Drum Island
 * Alabasta Castle Courtyard
 * Outside Kaya's Mansion
 * Little Garden

Relationship
As you should know, there are certain characters who have a relationship with another character. The relationship is positive, neutral or negative. The relationship does not affect the gameplay. The attitude will be changed though.

Luffy - Coby (Positive)

Nami - Arlong (Negative)

Robin - Crocodile (Negative)

Robin - Pell (Neutral)

Zoro - Tashigi (Negative)

Sanji - Gin (Neutral)

Luffy - Ace (Positive)

Usopp - Kuro (Negative)

Chopper - Wapol (Negative)

Helmeppo - Morgan (Negative)

Jango - Kuro (Neutral)

Game Notes

 * A password for this game is visible during the Baseball King! featurette.
 * In the introduction, the final team is blacked out.