If you are a parent or teacher of a disabled child, here is some good news. The BBC reconfigured many on-line educational games for use with switches, which can be found on the CBeebies website.
The games can be easily adjusted to meet the needs of the user.
Here is a list I copied from the website that has links to all of the accessible games on the BBC's website:
"These games have not been as heavily modified, but they work with the keyboard as well as the mouse, which means they will also work with switches:"