Ganbarion (ガンバリオン Ganbarion) is a Japanese video game company, and the developers of Pandora's Tower. They were founded on August 13, 1999. Ganbarion has worked on numerous games, but now they mainly worked on Anime, including games to tie in with TV Anime shows. They are most well known for their Jump Star series, but they have also released a few One Piece games based on the TV show. Their first five games were Japan only releases, but their sixth game, One Piece Grand Battle!, was released worldwide.

Pandora's TowerEdit


  • From TV Animation: One Piece Grand Battle! (2001, Japan only) Playstation
  • From TV Animation: One Piece Grand Battle! 2 (2002, Japan only) Playstation
  • Azumanga Donjara Daioh (2002, Japan only) Playstation
  • One Piece Grand Battle 3! (2003, Japan only) Gamecube, Playstation 2
  • Vattroller X (2004, Japan only) Nintendo GBA
  • One Piece Grand Battle! (2005, known as "Grand Battle Rush" in Japan) Gamecube, Playstaion 2
  • Jump Super Stars (2005) Nintendo DS
  • One Piece: Grand Adventure (2006) Gamecube, Playstation 2
  • Jump Ultimate Stars (2006) Nintendo DS
  • One Piece: Unlimited Adventure (2007) Nintendo Wii
  • One Piece: Unlimited Cruise (2008-2009) Nintendo Wii
  • One Piece: Gigant Battle (2010) Nintendo DS
  • Pandora's Tower (2011) Nintendo Wii

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