To play Custom Robo V2 in English, you will need to apply a patch file (typically in .xdelta format) to a legal backup of your Japanese ROM. Custom Robo V2 Review - The N64 Japanese Eye
: The massive post-game campaign, "The Grand Battle," is where the patch remains unfinished. Some dialogue may be unformatted or cause the game to freeze, though dedicated community members have found ways to bypass these through save-swapping with the original Japanese ROM. How to Apply the Patch Custom Robo V2 English Patch
Custom Robo V2 English Patch: The Ultimate Guide to Playing the N64 Classic To play Custom Robo V2 in English, you
: The main story mode, "A New Journey," is essentially 100% translated and playable from start to finish. "The Grand Battle