Pokemon Colosseum Bonus Disc, released for the GameCube in 2004, is an exclusive promotional item not sold separately. This disc was part of a special offer for those who pre-ordered Pokemon Colosseum, featuring special content like the mythical Pokemon Jirachi, which could be transferred to the Game Boy Advance titles Pokemon Ruby and Sapphire. The disc also included a preview of the full Pokemon Colosseum game, which is an RPG with 3D battle sequences unique to the home console.