Proton

All information regarding running and developing s&box on Linux will described here.

Running

S&box might need some tinkering to work on Linux:

1. Change your Proton Version to "Proton Experimental"
2. In the terminal type:

This should be enough to get s&box to run for most people.

Developing

At the time of writing (February 2025) you can launch s&box development tools fine, but it is quite unstable and prone to crashing and screen flickering.

Troubleshooting

How to use the proton logs

Proton logs sometimes could help solve issues with games not launching or working properly under proton. Proton logging can be enabled inside the launch options of s&box:

If you want smaller log files but still keep useful information use this launch option:

By default it should generate a file inside your home directory $HOME/steam-590830.log but it can be modified as well:

Input (e.g. movement) does not work

This is probably caused by having multiple keyboard layouts, adding -input_button_code_is_scan_code to your launch options fixes the problem

Useful Resources:

1. S&box proton github issues
2. Proton parameters guide