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…
Sandbox: Duplicator tool — copy, paste, and save contraptions with DuplicationData
Duplicator Tool — Copy, Paste, and Save Contraptions The Duplicator tool copies a contraption (a connected graph of GameObjects) to JSON and pastes it back. It …
Serverside Code: #if SERVER Blocks and .Server.cs Files for Hidden Logic
s&box supports serverside-only code that is stripped from client builds. This only works when running local projects on dedicated servers. #if SERVER Blocks Cod…
s&box NetworkMode Enum and INetworkListener: Controlling Network Participation
s&box NetworkMode Enum: Controlling How GameObjects Are Networked controls how a participates in the network. Usage NetworkMode.Object The object has an owner (…
Sandbox.Rotation
Sandbox.Rotation Represents 3D orientation. Overview Rotation stores an orientation in 3D space, handling quaternion math internally. Creation Constants Applyin…
Testing Multiplayer - s&box Networking Documentation
Testing Multiplayer s&box provides tools for testing multiplayer locally without needing multiple computers or Steam accounts. New Instance Launch a second game…
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 …
ClothingContainer: Apply, ApplyAsync, CreateFromConnection, RemoveUnownedItems, and Body Group Masking
ClothingContainer: Avatar Dressing System — Apply, CreateFromConnection, and RemoveUnownedItems manages a player's avatar outfit. It handles clothing compatibil…
Networking Static Class: IsHost, IsClient, CreateLobby, Connect, SetData, and Debug Convars
Networking Static Class: IsHost, IsClient, CreateLobby, Connect, and Server Data The static class manages the multiplayer session in s&box. Session State Note: …
Dedicated Servers - s&box Documentation
Official s&box documentation for dedicated server hosting. Dedicated Servers covers running s&box games on headless servers. Running Local Projects explains tes…
Sandbox: Stacker tool — duplicate objects in a line or arc with StackAlignMode
Stacker Tool — Duplicate Objects in a Line or Arc The Stacker tool clones a selected object N times along a configurable axis with optional rotation and gap. It…
Reusable World-Space Interaction Prompt Framework
A small, compartmentalized interaction framework can be built from three pieces: : the base component placed on objects the player can use. : the player-side ra…
Extensible Player Data Save Hooks for World Components
This pattern lets gameplay components plug into a player's save/load flow without putting every feature directly inside one large class. The framework has three…
Player Component with Static Accessors
Player Component Main player component that manages health, damage, camera, and interfaces with the inventory system. Static Accessors Key Properties HUD Visibi…
s&box BasePickup: Pickup item base
BasePickup Abstract Class API Reference BasePickup is an abstract Component for items that can be picked up by players. Implements ITriggerListener and ICollisi…
Scene.Load and Scene.LoadFromFile: Loading Scenes, DontDestroyOnLoad, and the Loading Sequence
Scene.Load and Scene.LoadFromFile: Loading Scenes Locally loads a scene file into the current scene. This is a local-only operation — it does not bring other cl…
Stats API
Track player statistics with the Stats service. Recording Stats Reading Stats Stat Types Batching Stats are automatically batched and sent periodically. Call as…
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.…
EnvmapProbe — local reflection captures with Static, Dynamic, and OnDemand modes
EnvmapProbe — Reflection Captures in s&box is a built-in s&box component that captures a cubemap at its world position for local specular reflections. The engin…
s&box IKillSource: Kill feed attacker interface
IKillSource Interface API Reference IKillSource is an interface for Components that can appear as an attacker in the kill feed. Implement on Player, Npc, explos…