Not every game received an official Spanish release. A vibrant community of romhackers at sites like Romhack Plaza has worked to bring Japanese and English-only titles to Spanish-speaking audiences. Notable fan projects include:
An experimental RPG that never left Japan, seeing new life through community efforts. How to Play GameCube ROMs in Spanish Gamecube Roms Espanol
This sunny platformer is fully playable with Spanish menus and dialogue. Not every game received an official Spanish release