Hello.

Radio buttons can be added with a little bit of the development. Please read more about it below:

https://academy.bpmonline.com/documents/technic-sdk/7-13/diff-array

https://academy.bpmonline.com/documents/technic-sdk/7-12/how-add-custom…

https://academy.bpmonline.com/documents/technic-sdk/7-11/controls-intro…

You can find all needed information in the following documentation.

Best regards,

Matt