Arcade ROMs are notorious for being English-only. However, packs exist that include MAME ROMs with Spanish BIOS files or Spanish translations for CPS-1, CPS-2, and Neo Geo games ( Metal Slug , King of Fighters ).
: Los mejores packs vienen preparados para funcionar en los emuladores más populares, como RetroArch, Delta o DuckStation. ¿Dónde encontrar los mejores Packs? pack roms espanol
If a downloaded ROM is not appearing in Spanish despite being a multi-language version: Arcade ROMs are notorious for being English-only
Searching for "pack roms español" typically refers to full collections (ROM sets) pack roms espanol