Hello @games_on_FB, Welcome to the Diamond Diaries section of our friendly King Community
Did you find the answer for your Question? Were you able to figure out how to change your user ID name? Just in case, if you did not find the way and still looking for it, please follow below steps....
I am writing the procedure for King.Com ---> Go to https://king.com/games ---> Log in with your email and password ---> Click on "Settings" located in the top right corner of the page ---> You will see your name, along with few other options ---> You will see a Pen/pencil icon next to your name ---> Click on it and you will be able to change your name.
If you need to change your name on some other place like -- Facebook OR this Community Page, please post back and I can try to help with other suggestions
** TO post back, please tap on "Type your Comment" box located below
Keep having fun in your games! Have a nice day / evening!
P.S: If you are looking to change your King game User ID number -- that is not possible to do!