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> Making Interactive Experiences > Physics > Chaos Physics

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Learn to use this Beta feature, but use caution when shipping with it.

Features available in Beta state give you the opportunity to learn how they work, plan your pipeline, and create test content. You should use caution when using these features in production , as we are still working to get to shipping-quality performance, stability, and platform support. We support backward compatibility for assets, and the APIs for these features are stable.

Chaos Physics

Chaos Physics is Fornite's lightweight physics solver.

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Topics

Chaos Physics is a lightweight physics solver, and when it is production ready, it will replace PhysX. To learn more about Chaos, read the following documents.

Topics

Chaos Physics Overview

Overview of Chaos Physics, including some troubleshooting tips for users who are new to the Chaos Physics solver.

Chaos Destruction

Outlines where to find learning resources for the Chaos Destruction system within Unreal Engine 4.

Chaos Vehicles

Documentation for Chaos Vehicles.