To get all these controllers to to play nice with each other on one pc took 5 seperate retroarch installs running independent from one another, usb hub with switches, wii u adapter,
Amazon.com: Wireless Game Controller for Xbox 360/Windows PC/Android Gamepad Rechargeable Joystick Portable Remote Joypad for Projector,TV Box,Tesla,Desktop/Laptop,Raspberry Pi, Steam,RetroPie,Emulator,RetroArch : Video Games
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Project Lunar – How controllers are mapped – ModMyClassic