The World Cup has already delivered plenty of drama, from underdog triumphs to star turns from some of the biggest names in football. Whether you've been staying up late, getting up early - or both - how closely have you been watching? You can find out by trying our World Cup Quiz. There are 12 questions to answer, one for each World Cup group, from A to L. It’s time to separate the true students of the game from the casual armchair pundits.
