They start of by giving you instructions on some things that you can do which is very pleasant then you can pick a category and then a category out of that category and they’ve added levels to it from easy to hard which is nice. There are quite some advertisements on the other hand which is a little less pleasing. You can either log in or play as a guest. It’s nice that they give you an option instead of being forced to share your personal information. The games are simple and short but they don’t explain the mistakes you made. They do tell you the correct answer but don’t explain it further.