Click the Quizzes link on the navigation bar near the top. Compete against other users, and win some credits. You can post here if you want to brag, challenge someone, etc Also you can earn credits for creating a quiz.
Whenever I try to take a quiz, it says my usergroup does not have permission to perform that action, or something along those lines. Do I not have enough posts or what's up?
You are not the only one who has this problem. It happens with most. I have no idea what the problem is, and I can't remember how to fix it.