For games that never left Japan, the fan community has created patches to translate them into Spanish.
The GBA era (2001–2008) is widely considered the golden age of portable RPGs and platformers. For Spanish-speaking players, the official translations by Nintendo and third parties during this time were often excellent, capturing local idioms and humor that weren't always present in the English versions. Top Recommendation: Pokémon Rojo Fuego Verde Hoja rom gba espanol