The FIFA World Cup is just two days away. Thirty-two teams will face off in 65 games over the course of one full month of soccer madness in South Africa. For those of us back here in the USA, we’ll have to settle for clustering around television screens or surreptitious web feeds on our work computers.

Sports Illustrated’s Jen Chang tells us the most essential games to watch and, ahem, how to do it at work.

Some of the matches, like the opening game between South Africa and Mexico, have important off-the-field elements: a planned appearance by Nelson Mandela. Other games, like Brazil vs. Ivory Coast, will be captivating for the different styles of play set to face off.