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Welcome to ryu_ldn_nx

ryu_ldn_nx is a Nintendo Switch sysmodule that enables online local multiplayer (LDN) gaming by connecting to Ryujinx LDN servers over TCP. Play “local wireless” games like Mario Kart 8 with friends anywhere in the world!

  • Easy Installation — Just extract to your SD card and reboot
  • Transparent Operation — Games work without modification
  • PIA Mesh Compatibility — Broadcast delivery ensures PIA mesh discovery works correctly
  • Tesla Overlay — Monitor connection status and configure settings in-game
  • Auto Reconnect — Fast first retry (200ms) then exponential backoff with jitter
  • Low Latency — Optimized for real-time gameplay with optional P2P mode

Works with games that use Nintendo’s LDN service:

  • Mario Kart 8 Deluxe
  • Super Smash Bros. Ultimate
  • Monster Hunter Rise
  • Animal Crossing: New Horizons
  • And many more…
Terminal window
# 1. Download the latest release from GitHub
# 2. Extract ZIP to SD card root
# 3. Reboot into Atmosphere
# 4. Open Tesla overlay (L+DDown+RStick) to verify