| Sandbox.Utility.Easing | Easing functions used for transitions. See https://easings.net/ for examples. |
| Sandbox.Utility.Noise | Provides access to coherent noise utilities. All of these functions should return between 0 and 1. |
| Sandbox.Game | Provides global access to core game state, utilities, and operations for S&box. <para> The Sandbox.Game class exposes static properties and methods to query and control the running game, such as checking if the game is running, getting your steamid, taking screenshots, and managing game sessions. </para> |
| Sandbox.Application | |
| Sandbox.Gizmo | |
| Sandbox.Http | Lets your game make async HTTP requests. |
| Sandbox.Json | A convenience JSON helper that handles Sandbox.Resource types for you. |
| Sandbox.RealTime | Access to time. |
| Sandbox.Time |