> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/resilience-testing/chaos-engineering/use-chaos-engineering/experiments.md).

# Chaos Experiments

{% hint style="info" %}
Chaos Studio versions

This guide covers chaos experiments for both **Old Chaos Studio** and **New Chaos Studio**. Use the selector below to choose your version:

* **Old Chaos Studio**: Use the current version.
* **New Chaos Studio**: Use an enhanced interface and new capabilities.

Contact your Harness support representative to access New Chaos Studio features. Go to [New Chaos Studio](/resilience-testing/chaos-engineering/readme.md#new-chaos-studio) to understand its capabilities.
{% endhint %}

{% @harness-package-selector/package-selector platforms="%5B%7B%22label%22%3A%22Old%20Chaos%20Studio%22%2C%22slug%22%3A%22old-chaos-studio%22%2C%22path%22%3A%22chaos-engineering%2Fuse-chaos-engineering%2Fexperiments%2Fold-chaos-studio-experiments%22%7D%2C%7B%22label%22%3A%22New%20Chaos%20Studio%22%2C%22slug%22%3A%22new-chaos-studio%22%2C%22path%22%3A%22chaos-engineering%2Fuse-chaos-engineering%2Fexperiments%2Fnew-chaos-studio-experiments%22%7D%5D" %}

### Next steps

Use these resources to continue configuring chaos experiments:

* [Probes](/resilience-testing/chaos-engineering/use-chaos-engineering/probes/index.md): Validate system health and behavior during experiments.
* [Actions](/resilience-testing/chaos-engineering/use-chaos-engineering/actions.md): Run custom operations, delays, and scripts during experiments.
* [Chaos faults](/resilience-testing/chaos-engineering/faults/chaos-fault-categories/chaos-faults-reference.md): Discover fault types for your experiments.