libmupen64plus2 binary package in Ubuntu Focal amd64

 Flexible N64 Emulator for Linux that works with many ROMs that are publically
 available. It consists of separate components to provide an user interface,
 audio and graphics output, controller input, co-processor emulation and an
 emulator core.
 .
 It has the following features:
  * cheat system
  * exchangeable plugins for graphics, sound and input emulation
  * multiple save states
  * common configuration system for all components
 .
 This package contains the actual emulator which must be loaded by a frontend.

Source package