Every game from the North American (NTSC-U), Japanese (Super Famicom), and European (PAL) markets.
Support the Video Game History Foundation and Internet Archive (which hosts ROMs for research, though access is restricted). snes full set roms upd
The "UPD" (Updated) tag in modern collections usually indicates the inclusion of recent breakthroughs in the retro scene: Modern Homebrews Every game from the North American (NTSC-U), Japanese
The gold standard. Use the Snes9x core for great performance or the BSNES core if you have a powerful PC and want 100% cycle-accurate gameplay. Japanese (Super Famicom)
: If you prefer playing on original-style hardware, tools like Hakchi allow you to synchronize your collection directly to the console. A Quick Note on Legality