Connection Class: Local, Host, All, Find, Permissions, Kicking, and Visibility Origins
Connection Class: Local, Host, All, Find, and Permissions represents a network connection to a player. It's the primary way to identify and interact with player…
Scene Events: Interface-Based Broadcasting and Listening
s&box uses interface-based events to broadcast and listen to events within a scene. Events are sent to active Components and GameObjectSystems — they are NOT se…
NetworkHelper — quick multiplayer setup with auto-server and player spawning
NetworkHelper — Quick Multiplayer Setup is a built-in s&box component that handles the boilerplate of starting a server and spawning players. It's the fastest w…
Sandbox: CleanupSystem — full scene cleanup and per-player cleanup with Ownable
Sandbox CleanupSystem — Scene Cleanup and Per-Player Cleanup is a that handles cleaning up spawned objects. It distinguishes between "baseline" objects (part of…
Backend Services - Achievements, Leaderboards, Stats
Backend Services - Achievements, Leaderboards, Stats Integrate Steam backend services for player progression, competition, and analytics. Achievements Track and…
NetworkHelper: Simplified Multiplayer Setup with Player Spawning
The NetworkHelper component simplifies multiplayer setup. It handles server creation, player spawning, and object ownership. Creating a Server Set to true and a…
Player Controller - s&box Scene Documentation
Player Controller The Player Controller component provides character movement for games. It handles physics-based movement, ground detection, jumping, and camer…
Network Helper
Network Helper Pre-built component for common multiplayer scenarios. What It Does NetworkHelper handles typical multiplayer setup: Auto-creates server if enable…
Rpc.FilterInclude for targeted RPC broadcasting
Rpc.FilterInclude for Targeted RPC Broadcasting Rpc.FilterInclude is a using statement in s&box that restricts RPC broadcasts to specific connections only. This…
Building a Networked Radio System with 3D Audio and Sync
Building a functional, interactive, and multiplayer-compatible radio system in s&box requires coordinating networked replication, local 3D audio handles, extern…
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:…
Leaderboards: Stats Aggregation with Country, Date, and Centering Filters
Leaderboards in s&box are stats aggregated and ordered. They use the API. Basic Usage By default, leaderboards aggregate using sum and order descending. Filteri…
Sandbox: Map entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport
Sandbox Map Entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport These components implement interactive map elements. They live in the namespace and…
s&box ISceneEvent: Scene-Wide and Per-Object Event Broadcasting
s&box ISceneEvent<T>: Scene-Wide and Per-Object Event Broadcasting is the base interface for all scene event systems. It provides static methods for broadcastin…
Network Events: INetworkListener for Player Join, Leave, and Active Callbacks
Implement or on a component to react to players joining and leaving the game. INetworkListener Example Spawn a player object when someone joins: INetworkListene…
s&box NpcConVars: Global NPC AI settings
NpcConVars Static Class NpcConVars is a static class that defines console variables controlling global NPC AI behavior in s&box. These ConVars can be set via co…
Sandbox: BanSystem — persistent ban list with INetworkListener.AcceptConnection
Sandbox BanSystem — Persistent Ban List with INetworkListener is a that implements to intercept incoming connections and reject banned players before they join.…
Network visibility — culling networked objects per client with INetworkVisible
Network Visibility — Culling Networked Objects Per Client Network visibility controls whether a networked object sends updates (Sync Vars, transforms) to a spec…
Steam filtering API for user content sanitization
Steam Filtering API in s&box s&box provides Steam filtering APIs to sanitize user-generated content like names and chat messages. This helps prevent profanity, …
BuildHash pattern for Razor panel optimization
BuildHash Pattern for Razor Panel Optimization BuildHash is a method you can override in Razor panels to prevent unnecessary rebuilds when the underlying state …