# 2D physics with 2D Physics Core

> Create and control a 2D physics scene using 2D Physics Core.

Create and control a 2D physics scene using 2D Physics Core, which implements the [`U2D.Physics`](/engine/6000.7/script-reference/unity/u2d/physics/physicsworld.md) API.

> **Note:**
>
> This documentation is about using Pose, Area, and Constraint components. To use 2D physics in the Unity Editor using components like the Rigidbody 2D component, refer to [2D physics](/engine/6000.7/manual/unity2d/2d-physics.md.md) instead.

| **Topic**                                                                                                          | **Description**                                                                                                                               |
| ------------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------- |
| [Introduction to 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/introduction.md)                    | Learn about how 2D Physics Core components work and how they differ from Rigidbody 2D and Collider 2D components.                             |
| [Get started with 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/get-started.md)                    | Learn about 2D Physics Core and how to create a 2D physics scene.                                                                             |
| [Creating a scene with 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/create-objects.md)            | Create and debug a scene that uses 2D physics.                                                                                                |
| [Connecting 2D Physics Core objects](/engine/6000.7/manual/unity2d/2d-physics-api/connect-objects.md)              | Connect 2D Physics Core objects together with Physics Constraint components, and explore the properties of each constraint type.              |
| [Configure 2D Physics Core scenes](/engine/6000.7/manual/unity2d/2d-physics-api/properties.md)                     | Share and pin the properties of 2D Physics Core components, and configure global properties.                                                  |
| [Creating multiple simulation worlds with 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/worlds.md) | Create additional physics worlds so you can simulate separate groups of objects under different settings, such as gravity, in the same scene. |
| [Collisions and interactions in 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/interactions.md)     | Configure and detect collisions between 2D Physics Core objects, using contact filters, layers, and events.                                   |
| [Run 2D physics in 3D space with 2D Physics Core](/engine/6000.7/manual/unity2d/2d-physics-api/3d-planes.md)       | Create a 2D physics world at any angle in 3D space, instead of the traditional x, y plane that faces the camera.                              |
| [Optimize 2D Physics Core with multithreading](/engine/6000.7/manual/unity2d/2d-physics-api/multithreading.md)     | To improve the performance of 2D physics, run the simulation and your own code on multiple threads.                                           |

## Additional resources

* [PhysicsCore2D repository](https://github.com/Unity-Technologies/PhysicsExamples2D/tree/master) on GitHub