Since the original N64 version of Conker's Bad Fur Day was never officially released with a full Spanish localization, you’ll need a from the retro-gaming community.
These patches usually require a clean NTSC-U (USA) ROM to function correctly. Safety and Reliability: Romsmania Conker Bad Fur Day Rom Espanol N64 Romsmania -BETTER
Antes de lanzarte a la aventura de Conker, asegúrate de tener lo siguiente: Since the original N64 version of Conker's Bad