public sealed struct Sandbox.VideoWriter.Config

You can define your own custom asset types as GameResources. They give you a nice inspector window and they're hotloaded in-game, which means you can whip things up pretty quickly if you're using them.

The Storage system provides a simple, unified way to manage user-generated content in your game. Whether you're saving game progress, storing player creations, or anything else, Storage handles everything from local file management to Steam Workshop integration.

On a Dedicated Server, you can specify who is an admin of your server, or customize permissions even further with claims for individual Steam accounts.

The mount system is extensible - anyone can write a mount to add support for a new game or engine and contribute it to s&box via pull request. A mount detects a game's install directory via Steam, scans its files, and converts assets into s&box compatible assets, all at runtime.