This feature allows you to ask user email before the game. Once this function is on, user must write his email to start the game. You will be able to watch all users data (including emails) in statistics after the game.

Let's learn how you can set ask user email function in your game by using Memory game as an example. Once you are in the editor, click anywhere in the working space. You will see the additional features panel on the right side of your screen.

Start by checking the enable player ratings box.

If you want to request user email before the game, check ask user email box.

Now let's publish the game and see how it works.

Now, user should put his email to start the game.

This email will be saved and you can see it later in the leaderboard statistics. To do this, click on statistics/leads button on my projects tab.

Choose Memory tab on the left side of your screen.

You will see a leaderboard with the best results of the game. User's emails will be there as well.