The group stage of the World Cup is over and now the excitement begins. Get ready for the drama of the knockout stage.

Here's a complete guide to extra time rules in the World Cup, including the differences vs. stoppage time and more to know between the end of regulation and the penalty shootout.

Here's how timing works for FIFA World Cup matches. Extra time, which is essentially overtime in soccer, consists of two 15-minute halves, and teams play both full halves even if one team scores -- there is no "Golden Goal" or "sudden death" rule.

Spain is, once again, on top of the soccer world. Thousands of Bay Area fans gathered at watch parties across San Francisco on Sunday to cheer on their teams for the FIFA World Cup final.

It wasn't pretty, but Spain got it done. With the game tied at zero, and headed into the second overtime period, Spain's Ferran Torres found the back of the net, giving La Roja a 1-0 advantage. That would end up being the final score,