Games like Xenoblade Chronicles or Fire Emblem: Radiant Dawn were English/Japanese only. Fan groups (like Traducciones Cuervo or WiiTraducciones) released .PATCH files that modify an existing ISO.
How to apply a patch:
If you're interested in playing Wii games, there are several legal options: roms wii espanol iso gamesgx free
If you find a Spanish ISO split into parts, Wiimms ISO Tool can merge them without corruption.
This site specializes in translated and patched games. Search for "(Español)" tags. They provide pre-patched ISOs in .rvz format (convertible to ISO with Dolphin Emulator). Games like Xenoblade Chronicles or Fire Emblem: Radiant
Ethical Suggestion: Buy cheap used Spanish copies from eBay.es or MercadoLibre, then rip them. This respects the developers while giving you the ROM.
Before diving into downloads, let's understand the search intent: If you're interested in playing Wii games, there
The Core Goal: A Spanish speaker wants to play Nintendo Wii games on their console using a USB loader, without paying for second-hand copies.