# 2D joints

> Understand the types of 2D Joints available to use with 2D GameObjects.

Approaches and techniques for working with 2D joints in Unity.

| **Page**                                                                                                     | **Description**                                                         |
| ------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------- |
| [Introduction to 2D joints](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/introduction-to-2d-joints.md) | Understand the fundamental concepts of 2D joints.                       |
| [2D joint constraints](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/2d-joint-constraints.md)           | Understand the constraints of using 2D joints.                          |
| [Distance Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/distance-joint-2d.md)                 | Techniques and resources for working with Distance Joint 2D components. |
| [Fixed Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/fixed-joint-2d.md)                       | Techniques and resources for working with Fixed Joint 2D components.    |
| [Friction Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/friction-joint-2d.md)                 | Techniques and resources for working with Friction Joint 2D components. |
| [Hinge Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/hinge-joint-2d.md)                       | Techniques and resources for working with Hinge Joint 2D components.    |
| [Relative Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/relative-joint-2d.md)                 | Techniques and resources for working with Relative Joint 2D components. |
| [Slider Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/slider-joint-2d.md)                     | Techniques and resources for working with Slider Joint 2D components.   |
| [Spring Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/spring-joint-2d.md)                     | Techniques and resources for working with Spring Joint 2D components.   |
| [Target Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/target-joint-2d.md)                     | Techniques and resources for working with Target Joint 2D components.   |
| [Wheel Joint 2D](/engine/6000.7/manual/unity2d/2d-physics/2d-joints/wheel-joint-2d.md)                       | Techniques and resources for working with Wheel Joint 2D components.    |

## Additional resources

* [3D joints](/engine/6000.7/manual/physics-section/physics-overview/joints-section.md)
* [API documentation on Joint2D](/engine/6000.7/script-reference/unityengine/joint2d.md)