|johnnydude et al.
|No (main branch)
Yes (libretro core)
4DO is Panasonic 3DO Interactive Multiplayer Emulator for the Windows platform.
FourDO aka 4DO, the predecessor of Opera, was initially developed as a standalone 3DO emulator for Windows based on the opensourced code of the FreeDO - the first emulator for this console.
|Latest Windows version
3DO BIOS file for the emulator is needed before you can load the game isos.