There are some problems: 1. The [installing dependencies instructions](https://grantjenks.com/docs/freegames/development.html#installing-dependencies) page doesn't consider the `requirements-dev.txt` file. 2. The versions cited in [Testing](https://grantjenks.com/docs/freegames/development.html#testing) are inconsistent with `tox.ini` file. Actually, the tests are against 3.7 up 3.11. 3. `setup.py` file doesn't exist.