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Version: 4.2

Multiplayer

The entry point to play multiplayer / Netplay is the GLO menu. It will allow you to switch into an optimized version of RetroArch for Netplay without any manual configuration.

How to use Netplay GLO menu​

Select a game and then press Y to display the GLO menu and find the "Netplay" option in the list. You will note that Onion now automatically selects the best core for your Netplay session.

If "No Netplay" is displayed in GLO menu, it means that there are no Netplay-compatible cores available for the selected platform (for example GBA).

The navigation map of GLO Netplay​

                                       │  ┌────────────────┐
                                       │  │Standard Netplay│
                    │  ┌────┐          │  └────────────────┘
                    │  │Host│          │
                    │  └────┘          │
┌────────┐          │                  │  ┌────────────┐
│Netplay ├────────► │          ───────►│  │Easy Netplay│
└────────┘          │                  │  └────────────┘
                    │  ┌────┐          │
                    │  │Join│          │
                    │  └────┘          │  ┌────────────────────────────┐
                                       │  │Easy Netplay - Pokemon Trade│  (only in GB/GBC systems)
                                       │  └────────────────────────────┘

Once Netplay option selected, then let the GLO menu guide you​

  • Select "Host" if you want to be the server of a new Netplay session.
  • Select "Join" if you want to join an existing Netplay session.

Then select the type of Netplay session you want to start​

  • Standard Netplay

    This mode uses your current wifi connection to create an online session and on your local network.

  • Easy Netplay

    When you have two Miyoo Mini Plus in the same room, "Easy Netplay" lets you play a multiplayer game without any configuration, as it requires no prior wifi setup.

  • Easy Netplay - Pokemon Trade/Battle

    This option in only available on GB/GBC, similar to the previous "Easy Netplay" but allows to trade pokemon with local friends without any configuration

Tips​

  • Always use GLO to run your Netplay sessions, GLO runs RetroArch with a specific configuration which avoids many crashes / freezes.
  • The default Netplay cores for Onion are stored in .tmp_update/config/netplay_cores.conf.
  • As Netplay consumes more CPU than usual an overclock option is available in netplay_cores.conf.

For example

Rom_Folder_Name;Core_Filename;Core_Config_Folder;CPUspeed;
GB;tgbdual_libretro.so;
SFC;snes9x2005_libretro.so;Snes9x 2005;1600;