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How to run multiple raft instances
A quick guide to run multiple Raft instances on a single computer with different Steam accounts, ideal for testing multiplayer mods.
I'll guide you through running multiple Raft instances simultaneously. To begin, you'll need:
- 1.
- 2.
Let's get started!
- Creata a new sandbox, name it as you like and add an access to your drive as shown below.

We recommend granting access to the entire drive in the isolated environment because it includes crucial folders like AppData, world directories, Raft Settings, and Mod Loader files.
- Create a new folder for the second Steam.
- Copy your steam folder in this folder (You may want to remove other games than raft in the destination folder).
- Run steam.exe in the second Steam folder using Sandboxie-Plus.
- Start Steam in the isolated environment and select "Run As UAC Administrator".

- Log in with your second Steam account.
- Start Raft with "-rml" or through RMLLauncher opened inside sandboxie too; it should work seamlessly!
Last modified 1mo ago