Custom Robo - Nintendo GameCube - happened in 2004.
Custom Robo - Nintendo GameCube - was created on 2004-03-04.
Custom Robo GX happened in 2002.
Custom Robo Arena happened in 2006.
Only one which is actually the fourth installment of the series.
get a bronze or silver trophy in all of the Z HQ battles. (I can't remember if it's bronze or silver, sorry!)
Custom Robo GX was created on 2002-07-27.
Custom Robo Arena was created on 2006-10-19.
there arent any codes on custom robo arena
In Japan June 23, 2005, in North America on February 6, 2006 and in Europe on May 26, 2006.
So far it is, no plans have been made for a new one.
no
yes there is