The base game handles multiplayer through a strict peer-to-peer setup designed exclusively for two people. The user interface, starting life rafts, and save file structures are hardcoded around a duo.
Items dropped by one player might not appear for another. If this happens, the affected player should log out and reconnect to the lobby.
Allows you to play split-screen online with a friend even if they don’t own the game. Only the host needs to have it installed. Popular Mods for Enhanced 2-Player Survival
If you are looking for ways to play together remotely on PC, these tools are commonly used to facilitate the existing 2-player mode: Steam Remote Play Together stranded deep 3 players mod
To play with three players, the host must have the mod installed. The guests (players 2 and 3) usually do not need the mod installed, provided they are running the same version of the base game. Here is the general process:
Which are you using? (Steam, Epic Games Store, or Xbox Game Pass PC) What version number is displayed on your game's main menu? Have you ever used Unity Mod Manager or Nexus Mods before?
To play with three people, you must use community-created modifications. These mods alter the game's internal code to allow additional player slots in a single lobby. Prerequisites Before Modding The base game handles multiplayer through a strict
Safe for casual fun with friends, but do not use it for a "serious" 100-day hardcore run. Expect bugs.
Because the game engine was not native-built for three concurrent users, you may encounter occasional bugs. Use these troubleshooting steps to maintain a stable connection: Severe Desynchronization (De-sync)
Includes community patches to keep inventory data synchronized across three separate clients. Step-by-Step Installation Guide (PC Only) If this happens, the affected player should log
BepInEx is the underlying framework required to load custom scripts into unity-based engines. Download the latest stable 64-bit release of BepInEx.
This is a classic desync issue. The host should save the game, and the affected player should disconnect and reconnect to refresh their connection to the server.
Always backup your Stranded Deep_Data/Managed folder before installing any mods.