* [ML-Agents Package](index.md)
* [ML-Agents Theory](ML-Agents-Overview.md)
* [Get started](Get-Started.md)
  * [Install the ML-Agents Toolkit](Installation.md)
  * [Example environments](Examples.md)
      * [Configure example environments](Examples-setup.md)
      * [3D ball example workflow](Sample.md)
      * [Example environments reference](Learning-Environment-Examples.md)
* [Learning Environments and Agents](Learning-Environments-Agents.md)
    * [Designing Learning Environments](Learning-Environment-Design.md)
    * [Designing Agents](Learning-Environment-Design-Agents.md)
    * [Sample: Making a New Learning Environment](Learning-Environment-Create-New.md)
    * [Using an Executable Environment](Learning-Environment-Executable.md)
* [Training](Training.md)
  * [Training ML-Agents Basics](Training-ML-Agents.md)
  * [Training Configuration File](Training-Configuration-File.md)
  * [Using TensorBoard](Using-Tensorboard.md)
  * [Customizing Training via Plugins](Training-Plugins.md)
  * [Custom Trainer Plugin](Tutorial-Custom-Trainer-Plugin.md)
  * [Profiling Trainers](Profiling-Python.md)
* [Python APIs](Python-APIs.md)
  * [Python Gym API](Python-Gym-API.md)
  * [Python Gym API Documentation](Python-Gym-API-Documentation.md)
  * [Python PettingZoo API](Python-PettingZoo-API.md)
  * [Python PettingZoo API Documentation](Python-PettingZoo-API-Documentation.md)
  * [Python Low-Level API](Python-LLAPI.md)
  * [Python Low-Level API Documentation](Python-LLAPI-Documentation.md)
  * [On/Off Policy Trainer Documentation](Python-On-Off-Policy-Trainer-Documentation.md)
  * [Python Optimizer Documentation](Python-Optimizer-Documentation.md)
* [Python Tutorial with Google Colab](Tutorial-Colab.md)
  * [Using a UnityEnvironment](https://colab.research.google.com/github/Unity-Technologies/ml-agents/blob/release/4.0.0/colab/Colab_UnityEnvironment_1_Run.ipynb)
  * [Q-Learning with a UnityEnvironment](https://colab.research.google.com/github/Unity-Technologies/ml-agents/blob/release/4.0.0/colab/Colab_UnityEnvironment_2_Train.ipynb)
  * [Using Side Channels on a UnityEnvironment](https://colab.research.google.com/github/Unity-Technologies/ml-agents/blob/release/4.0.0/colab/Colab_UnityEnvironment_3_SideChannel.ipynb)
* [Advanced Features](Advanced-Features.md)
  * [Custom Side Channels](Custom-SideChannels.md)
  * [Custom Grid Sensors](Custom-GridSensors.md)
  * [Input System Integration](InputSystem-Integration.md)
  * [Sentis](Inference-Engine.md)
  * [Hugging Face Integration](Hugging-Face-Integration.md)
  * [Game Integrations](Integrations.md)
  * [Match-3](Integrations-Match3.md)
  * [ML-Agents Package Settings](Package-Settings.md)
  * [Unity Environment Registry](Unity-Environment-Registry.md)
* [Cloud & Deployment (deprecated)](Cloud-Deployment.md)
  * [Using Docker](Using-Docker.md)
  * [Amazon Web Services](Training-on-Amazon-Web-Service.md)
  * [Microsoft Azure](Training-on-Microsoft-Azure.md)
* [Reference & Support](Reference-Support.md)
  * [FAQ](FAQ.md)
  * [Limitations](Limitations.md)
  * [Migrating](Migrating.md)
  * [versioning](Versioning.md)
  * [ML-Agents Glossary](Glossary.md)
* [Background](Background.md)
  * [Machine Learning](Background-Machine-Learning.md)
  * [Unity](Background-Unity.md)
  * [PyTorch](Background-PyTorch.md)
  * [Using Virtual Environment](Using-Virtual-Environment.md)
  * [ELO](ELO-Rating-System.md)