s&box is now open source — we're pleased to share our .NET 10 game engine source under the MIT license. Our goal with the play fund, royalty free game exporting and open source are all about giving back to the community so everyone wins. 👉github.com/Facepunch/sbox-pu…

Have you seen @Eridiium's deep dive into s&box Movie Maker? 🎦🎞️ Check out his 'How To' if you're looking to make machinimas and more: youtube.com/watch?v=VTMwMVM-…

"Things out here listen. Some of them hunt by sound. One of them has learned to speak in your friends' voices." ☢️🚧⚠️ Have you jumped into Gamma Team yet? Play it with friends on s&box. sbox.game/glag/ex_zone

The citizen is dead. The human is now the default choice everywhere. The model still exists in the game and so games that use it will keep using it, but it's no longer visible in the menu or the avatar editor. sbox.game/news/rethinking ⬅️

📣 And we have a winner. 🥇 Solo Queue win Game Jam III with their community favourite game, Gamma Team! You can still jump in and play all the entries, though and make up your own mind. sbox.game/jam/three 🎮

🚨 OK. s&box is free to play this weekend. Download, boot up, and play all the games you can until Monday. sbox.game/games 🕹️

And just like that, there are now only two games remaining in this competition. Voting for the grand final starts 2nd October, 9PM BST. sbox.game/jam/three/finals 🎮

And now we're down to our final three games! Who do you think should make it through to the grand final? Log in, play them, and vote for your favourite. sbox.game/jam/three/finals 🗳️

"I love the citizen, I love how he looks, I love that he has no neck. But the feedback we've consistently got is that people hate them. They hate everything about them. So we're going to fidget around and change things to see if we can change that." - Garry Read more: sbox.game/news/update-26-09-… 👈

And here are your final FOUR games from Game Jam III! It's your vote that determines who makes it to the next round. ➡️ sbox.game/jam/three ⬅️

Here are your final five games from Game Jam III! Boot up, play, and vote to see who makes it to the next round. ➡️ sbox.game/jam/three ⬅️

Nominations for Game Jam III are open! Boot up, play games, and vote for your favourites. And on the 28th September, the 5 games with the most nominations will go into the finals... sbox.game/jam/three 🗳️

Jump in and enjoy all the new titles from the Game Jam! Enjoy 20% off s&box from now until October 5th! store.steampowered.com/app/5… 👈

We're still game jammin' (nominations start this Friday!), the party system is bigger and better, and demos / cameras / video exports have gotten even easier. Read more on the newest update: sbox.game/news/update-26-09-… 👈

A new drawing API, razor-sharp GPU text, improved host migration, game hover cards, and Block Party. Plus mesh editing tools, performance gains, Mac and Linux improvements and a price drop. Read more on the latest update 👇 sbox.game/news/update-26-09-…

2D physics are in powered by Box2D. No new API or components, everything works with a single toggle. More in this week’s update 👇 sbox.game/news/update-26-09-…

Game Jam III is now live with a £50,000 prize pool! Theme revealed. Submissions open. New knockout nomination format. Read the rules and submit your game 👇 sbox.game/jam/three

Linux support is here for both client & editor. And a new main menu with personalised game discovery makes it easier to find good games and punishes slop. Garry talks about the player numbers, a £50,000 game jam coming soon and about the road ahead. sbox.game/news/update-26-09-…

Box3D is now public & open-source. 🎉 We've used it as our 3D physics engine for the past year, for a Sandbox game where players can build whatever they imagine, or developers can build any game - Box3D handles anything thrown at it. Open development like this makes games better for everyone. Congrats to @erin_catto on the release. box2d.org/posts/2026/06/anno…