Copy Wolf4SDL.nro to /switch/wolf4sdl/ folder Copy wolf3d folder from your Wolfenstein 3d install (Activision/GT version) to /switch/wolf4sdl/ folder Sound has a few issues causing crackling and popping. More releases are planned shortly. Keys Controls Up Forward Down Back Left Turn Left Right Turn Right Minus Return to Menu/ESC A Fire/OK B Open X Strafe Y Run