Component Interfaces: IDamageable, ICollisionListener, ExecuteInEditor
s&box provides several built-in component interfaces for physics, damage, networking, and editor execution. ExecuteInEditor Runs component methods (OnAwake, OnE…
Network Visibility: Culling and INetworkVisible Interface
Network Visibility controls whether a networked object sends updates (Sync Vars, Transform) to a specific player. By default, all networked objects always trans…
Stats Service: Recording and Reading Player Statistics in s&box
Games can record per-player stats using . Stats can be queried individually, per-player, or globally. Recording Stats Increment a counter: Set a value directly:…
PlayerController: Physics-Based Character with Events Interface
The component is a physics-based first/third person player controller. Add it to a scene and be running around with no programming required. Core Features Physi…
HudPainter: Immediate-Mode HUD Drawing in s&box
Each has a property (HudPainter) for immediate-mode drawing onto the screen. More efficient than UI panels since there's no layout, stylesheets, or interactivit…
Playing Sounds: SoundHandle, GameObject.PlaySound, and Audio Components
s&box provides several ways to play sounds: fire-and-forget at a position, controlled via , attached to a , or via scene components. SoundEvent Assets Sounds ar…
Network Events: INetworkListener and INetworkSpawn Interfaces
React to players joining and leaving by implementing or on a component in the scene. INetworkListener Example Spawn a player object when someone joins: INetwork…
Time Utilities: TimeSince, TimeUntil, and Frame-Rate Independence
s&box provides time utilities for cooldowns, countdowns, and frame-rate independent movement without manual bookkeeping. Time.Delta Seconds since last frame. Mu…
Scenes: Loading, Component Lookup, and GameObject Directory
A Scene is a collection of GameObjects that represents the game world. Every Component and GameObject has a property for accessing the current scene, and you ca…
NavMesh Agent: AI Pathfinding with Crowd Avoidance
The component moves a GameObject along the NavMesh automatically with built-in crowd avoidance. Agents try to avoid bumping into each other when multiple agents…
Custom GameResource Assets: Define, Create, and Access Custom Asset Types
Define custom asset types as subclasses. They get a nice inspector window, are hotloaded in-game, and are stored as JSON files with a custom extension. Creating…
WebSocket Connections with Auth Token Authentication in s&box
s&box supports WebSocket connections to external servers for custom networking or persistent data outside the local filesystem. Basic Connection and Messaging U…
Property Attributes: Inspector Customization for Components and Assets
Property attributes control how Component properties appear in the s&box editor/inspector. They work on both Components and GameResource properties. Layout and …
Styling Panels: SCSS, Inline Styles, and Code-Based Styling
s&box panels can be styled using SCSS stylesheets, inline styles, style blocks, or direct code manipulation. The styling system uses CSS-like syntax but is rend…
Dedicated Servers: Installation, Configuration, and Command Line
s&box dedicated servers run headless and can be installed via SteamCMD. They host multiplayer games without requiring the full editor. Installation Install via …
Component Versioning: JsonUpgrader for Scene and Prefab Migration
s&box component versioning uses attributes and the property to migrate serialized scene/prefab data when you make breaking changes to component properties. This…
INetworkSnapshot: Custom Binary Data in s&box Network Snapshots
s&box Components can implement to write and read custom binary data during the network snapshot process. When a client joins a server, the snapshot is sent once…
ISceneStartup: Host and Client Scene Initialization Events
is a scene event interface for listening to scene initialization on host and client. It runs when pressing play in editor, loading a game, or joining a server. …
Cloud Assets: Referencing and Runtime Mounting from sbox.game
s&box provides access to a large library of cloud assets (models, textures, sounds) hosted on sbox.game. Assets are downloaded and cached automatically — no man…
Testing Multiplayer: New Instances, Hotloading, and Local Connect
s&box provides built-in tools for testing multiplayer without needing another player. You can spawn additional game instances that join your running session, wi…