At least Audacious (in its audacious-plugins package) as well as Qmmp support chiptunes via the Game_Music_Emu library. I'd imagine many other plugin-based play

At least Audacious (in its audacious-plugins package) as well as Qmmp support chiptunes via the Game_Music_Emu library. I'd imagine many other plugin-based players for Linux/Unix have support as well.