XenForo has a "trophy" system. You can use trophies to award users for doing cool things. But trophies are casual and boring. Everyone can get one
Badges... that's more like it! This is something your users can be proud of!
Create fancy-looking badges, group them into categories and award users for valuable and unique actions!
Moreover, featured badges will be displayed in users messages, profiles and tooltips!
All badges are displaying on a new "Badges" help page (/help/badges) grouped into categories:
You can also see the full list of users there were awarded with specific badge by clicking on corresponding icon below badge description: