: Manually adjust memory offsets or BIOS paths to get rare ROMs to boot.
.sgs to .zip or .sav (depends on the game)..sgs.If the .sgs file is actually a plain-text script (open it in Notepad first—if it looks like code, this works): sgs file editor
Use their contact form to reach out to the development team. Title: The SGS File Editor: Bridging the Gap