after becoming robo champ, goto your clubhouse. talk to boxes at the top left of your clubhouse, and someone pops out. if you have a max combo of 380 or more, he will fight you, if you win, he gives it to you.
In the Clubhouse, go to the back left crate, its there
you should use chick robo with a good gun like wyrm and good pod like arspo7. u only have to use the robo not the parts also
defeat all ten trophie matches in the robo arcade with the chick robo (it is the most hardest grudge match EVER)
Custom Robo Arena happened in 2006.
Custom Robo GX happened in 2002.
Custom Robo Arena was created on 2006-10-19.
Custom Robo GX was created on 2002-07-27.
Custom Robo - Nintendo GameCube - happened in 2004.
there arent any codes on custom robo arena
Custom Robo - Nintendo GameCube - was created on 2004-03-04.
So far it is, no plans have been made for a new one.
no