(envs)=

```{eval-rst}
.. automodule:: stable_baselines3.common.envs


```

# Custom Environments

Those environments were created for testing purposes.

## BitFlippingEnv

```{eval-rst}
.. autoclass:: BitFlippingEnv
  :members:

```

## SimpleMultiObsEnv

```{eval-rst}
.. autoclass:: SimpleMultiObsEnv
  :members:
```