RetroArch : RetroArch is a frontend for emulators, game engines and media players ( https://www.retroarch.com )
azahar : An open-source 3DS emulator project based on Citra ( https://azahar-emu.org )
dosbox-x : Complete, accurate DOS emulator forked from DOSBox ( https://dosbox-x.com/ )
eden : Nintendo Switch Emulator ( https://eden-emu.dev )
flycast : Sega Dreamcast, Naomi and Atomiswave emulator ( https://github.com/flyinghead/flycast )
libretro-dolphin : Dolphin libretro port ( )
mupen64plus-qt : A basic launcher for Mupen64Plus ( https://github.com/dh4/mupen64plus-qt )
rpcs3 : PS3 emulator/debugger ( https://rpcs3.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a guru
For Paludis use this rsync : rsync://gentoo.zugaina.org/guru-portage
If you have a problem : ycarus(-at-)zugaina.org