So, go to ‘Load Core’, then ‘Download a core’. We now need to download a Sega Saturn emulator core. Step 2 – Download Sega Saturn ‘Beetle’ Core
Once you have these downloaded, open up your RetroArch application folder and go to the ‘System’ folder, you then need to copy or move both of these. You will need to search for these files online and download the two files to play all region games, these are named specifically:. There are two main BIOS files, these are detailed on the RetroArch documentation page for the Beetle Saturn core (which we will be using):. Since Sega Saturn emulation requires the console BIOS file in order to boot up games, you are going to need to get hold of these. Buy on Amazon Step 1 – Download Sega Saturn BIOS Files