Using a CHD file is just as easy as using a BIN/CUE. Most modern emulators will see the .chd file as if it were the original disc.
If you can't find the CHD, you can download the original Spanish ISO from CoolROM and convert it yourself. metal gear solid spain disc 1chd link
The format has become the standard for retro gaming enthusiasts using emulators like DuckStation or hardware like the Miyoo Mini . This format reduces the file size of PlayStation 1 ROMs—typically around 427 MB for the Spanish Disc 1—without losing any data. Why the Spanish Version is Unique Using a CHD file is just as easy as using a BIN/CUE
is a file format that offers several advantages: The format has become the standard for retro
to feature a full Spanish voice cast, a legendary dub led by Alfonso Vallés as Solid Snake. Audio & Dub Quality The Alfonso Vallés Legacy