Did you press enter/return after typing your game name?
![grin grin](https://images.siteface.net/_js/BBCEditor/icons/smiley-grin.png)
Try ctrl+a to select all of the name, delete it, type it again, but this time don't press enter at the end as it drops to a new line. Some strange little bug in 5.x that occurs with some of the text input boxes.