Quiz! Can you guess all 54 nations to have ever played a World Cup knockout?
They bring the colour to the tournament – just tell us the baker's dozen of CAF sides to turn up to the greatest show on Earth
You have 10 minutes to pick 51 nations.
Remember to tweet your scores @FourFourTwo, and challenge some friends while you're at it.
THEN TRY Quiz! Can you name the 12 Asian nations to have played at the World Cup?
The knockouts are where the memories are truly made. Sure, the group stages are fun – but now we're getting serious.
This is where the magic happens: if you're somewhat disappointed with the number of goalless draws in the knockout stages, then we have some good news. We need winners by this point of the competition.
Most of the greatest moments in World Cup history happened at this stage. It's likely that we'll get some more in 2022.
We've listed out every single nation to have played at the tournament. All you have to do is to pick the 51 who have played a knockout fixture. Easy.
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Mark White is the Digital Content Editor at FourFourTwo. During his time on the brand, Mark has written three cover features on Mikel Arteta, Martin Odegaard and the Invincibles, and has written pieces on subjects ranging from Sir Bobby Robson’s time at Barcelona to the career of Robinho. An encyclopedia of football trivia and collector of shirts, he first joined the team back in 2020 as a staff writer.