S&box – How to Get Developer Mode (Running on Linux)

A quick guide on how to access the developer mode on Linux. Tested on Ubuntu 22.10.

Guide to Get Developer Mode

How-To (Step by Step Guide)

  • Prerequesite: if not already done, set up flatpak.
  • Install protontricks via flatpak with
flatpak install flathub com.github.Matoking.protontricks
  • Install a directx dependency with
flatpak run --branch=stable com.github.Matoking.protontricks 590830 d3dcompiler_47
  • Run sbox-dev.exe with
flatpak run --branch=stable com.github.Matoking.protontricks --no-runtime --no-bwrap -c "wine sbox-dev.exe" 590830
  • S&box dev mode should start and stay open until you close it or crashes as it so usually does on Linux.
  • After closing, should Steam still display s&box as running, you have to exit out of steam completely to stop it.

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