Customized badges allow you to replace the existing badges icons with your own in order to customize the gamification experience that you will offer to your learners.
Through the administrator homepage, visit the Account & settings -> Gamification tab and click to customize the badges (1).
Click on any badge to modify its name (2) or
image (3).The image must be 200 pixels wide and 200 pixels tall.
Note:You can revert back to the default badge icon at any time by clicking the reset button (4).