It’s Bracket Challenge time. so you had better brush up on your college basketball knowledge. As you put together your list of top teams, favorites and potential bracket busters, why not put all that knowledge to the test with our Bracket Challenge game?

There are only a few hours left to register by visiting this link. The brackets are open, be sure to make your picks before the first round of the tournament tips off on Friday, March 19 at 12:15 p.m. Eastern Time.

If you need a refresher on how to play our bracket game or a quick tutorial on how to sign up, take a look at the video above.