Utilize specialized network modes for games like Mario Kart 8 Deluxe or Splatoon . How to Create a Portable Setup

Ryujinx LDN was a specialized version of the Ryujinx Nintendo Switch emulator designed specifically for over the internet. While the original project was officially discontinued in October 2024 following a request from Nintendo, users still seek legacy versions like LDN 3.1.3 for its unique connectivity features. What is Ryujinx LDN?

Inside: a modified Switch emulator, stripped of telemetry. The “LDN” stood for Local Disconnected Network—a ghost protocol that mimicked LAN play over the internet without touching corporate servers. Version 3.1.3. Portable. Run from any folder. No install. No logs.

Before we discuss version 3.1.3, let’s break down the terminology. Standard Ryujinx emulates Switch games perfectly for single-player experiences. However, many of the console’s best games— Mario Kart 8 Deluxe , Super Smash Bros. Ultimate , Splatoon 3 , Animal Crossing: New Horizons —shine in multiplayer.