Grand Battle! Swan Colosseum is a fighting game based on the One Piece manga and anime, released for the WonderSwan Color. A handheld spin-off to Grand Battle! 2, it condenses many of the game elements to a smaller scale, with its story material adapted almost exclusively from the Arabasta Saga. The game was developed by Dimps, published by Bandai, and released on July 12, 2002.
| Boxed A | Game complete with manual and in VG-VG+ Condition |
| Boxed B | Game complete Good-VG condition |
| Boxed C | Game might have manual missing |
| D | Game Cartridge or Disc only |
