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Facepunch signed a license with Valve to allow standalone releases from s&box

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Last updated: 30 Mar 2026 at 12:13 pm UTC

The spiritual successor to Garry’s Mod based on Valve's Source 2 is growing up, as you'll be able to create full standalone games with it.

Something that Facepunch Studios (developer of Rust) have been planning for a while, but they needed to sort the Source licensing situation out with Valve which thankfully has now been done. As noted in the latest update post from Garry Newman:

We signed the new license with Valve this week, allowing us to allow people to export games from s&box's editor and ship them as standalone games on Steam completely royalty free. This has been a bit of a complicated journey, but with a lot of reassurance and compromises, we've got there.

We still have work to do on our end. We need to create a license between Facepunch and the people shipping games, then double and triple check everything is legit, but I wanted to share this progress with the community so they know that Valve did the bizzo.

When it's ready we'll be piloting it with a few select people. The first out the door is likely to be My Summer Cottage.

Pictured - s&box, credit: Facepunch

Back in November last year, s&box went open source too with people contributing cross-platform improvements directly. With that and royalty-free standalone games, s&box could end up being quite an interesting game engine for developers with its Garry’s Mod / Roblox like design with a mixture of player-made games and standalone releases.

Hopefully s&box will work well with Proton at release which according to the Steam page is in April.

Platform: ⚛ Proton / Wine
Official links:SteamOfficial Website

Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly checked on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly.
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3 comments

pb 6 hours ago
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If Steam and Roblox had a baby... 😆

Last edited by pb on 30 Mar 2026 at 12:35 pm UTC
Sakuretsu 3 hours ago
Just Valve being Valve, winning by default and contributing to the gaming community in the process.
Talon1024 2 hours ago
I hope that s&box and games built on that engine will work well under Steam Linux Runtime or Proton, but you never know... s&box itself currently has a Gold rating on [ProtonDB](https://www.protondb.com/app/590830), so that gives me hope.
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