RetroArch: RetroArch (Reference frontend for the libretro API) RetroArch: RetroArch: RetroArch is the reference frontend for the libretro API. Popular RetroArch: examples of implementations for this API includes videogame system RetroArch: emulators and game engines, but also more generalized 3D programs. RetroArch: These programs are instantiated as dynamic libraries. We refer to RetroArch: these as "libretro cores". RetroArch: RetroArch: Homepage: https://www.libretro.com/ RetroArch: RetroArch: