It may be the world's most popular sport, but for many people, Wales' first World Cup in 64 years will be the first time that they've shown an interest in football.
You may have written it off as a game played by hideously overpaid millionaires who dive on the ground and roll around after the slightest touch, and you'd certainly have a point, but it's hard to resist the emotions that come with following the beautiful game, with ecstasy and heartbreak felt in equal measure.
There are a few household names at this World Cup, including the likes of Lionel Messi, Cristiano Ronaldo and Gareth Bale, who might help you get by when the pub chat turns to the topic of football, but knowing and understanding the rules is, ahem, well, a whole different ball game.
