you can;
hit F1 copy this:"system/config/retroarchcustom.cfg" is a usb
then on pc edit it with notepad or notepad++
add this at the bottom:
netplay_allow_slaves = "true"
netplay_check_frames = "600"
netplay_input_latency_frames_min = "0"
netplay_input_latency_frames_range = "0"
netplay_ip_address = ""
netplay_ip_port = "55435"
netplay_mitm_server = "nyc"
netplay_nat_traversal = "true"
netplay_nickname = ""
netplay_password = ""
netplay_public_announce = "true"
netplay_request_device_p1 = "false"
netplay_request_device_p10 = "false"
netplay_request_device_p11 = "false"
netplay_request_device_p12 = "false"
netplay_request_device_p13 = "false"
netplay_request_device_p14 = "false"
netplay_request_device_p15 = "false"
netplay_request_device_p16 = "false"
netplay_request_device_p2 = "false"
netplay_request_device_p3 = "false"
netplay_request_device_p4 = "false"
netplay_request_device_p5 = "false"
netplay_request_device_p6 = "false"
netplay_request_device_p7 = "false"
netplay_request_device_p8 = "false"
netplay_request_device_p9 = "false"
netplay_require_slaves = "false"
netplay_share_analog = "0"
netplay_share_digital = "0"
netplay_spectate_password = ""
netplay_start_as_spectator = "false"
netplay_stateless_mode = "false"
netplay_use_mitm_server = "false"
network_cmd_enable = "false"
network_cmd_port = "55355"
network_remote_base_port = "55400"
network_remote_enable = "false"
network_remote_enable_user_p1 = "false"
network_remote_enable_user_p10 = "false"
network_remote_enable_user_p11 = "false"
network_remote_enable_user_p12 = "false"
network_remote_enable_user_p13 = "false"
network_remote_enable_user_p14 = "false"
network_remote_enable_user_p15 = "false"
network_remote_enable_user_p16 = "false"
network_remote_enable_user_p2 = "false"
network_remote_enable_user_p3 = "false"
network_remote_enable_user_p4 = "false"
network_remote_enable_user_p5 = "false"
network_remote_enable_user_p6 = "false"
network_remote_enable_user_p7 = "false"
network_remote_enable_user_p8 = "false"
network_remote_enable_user_p9 = "false"
Save it, then copy it back where you found it IE"system/config/retroarchcustom.cfg" and press overwright.
then in a game that is capeable of CO OP, press "home" button and B at the same time
then press A to close first menu(quickmenu)
then go to netplay menu, press refresh list now you should see other people Hosting games you can connect to
why this isnt in the main home button menu i dont know....seem like really good feature....?
