In Chapter 4, Exploring the Gym and its Features, we looked at the various list of environments available in the Gym, including the Atari games category, and used a script to list all the Gym environments available on your computer. We also looked at the nomenclature of the environment names, especially for the Atari games. In this section, we will use the Atari environments and see how we can customize the environments with Gym environment wrappers. The following is a collage of 9 screenshots from 9 different Atari environments:
![](https://static.packt-cdn.com/products/9781788836579/graphics/assets/b9baa956-2173-4557-9144-f3ef9465ea66.png)