If you have a Netflix account, there's a very good chance you've seen at least a little of the smash hit series Squid Game.
According to Forbes, it's far and away the most popular series the service has ever had as 111 million accounts have watched at least two minutes of the Korean drama.
But while the idea of raising the stakes of simple children's games by giving them deadly consequences has obviously proved captivating, it has also inspired a lot of fans to think of ways to beat the odds and survive anything the games can throw at them.
However, few are as likely to be successful as one woman's foolproof method to beat the marble game in the sixth episode. Not only does her method ensure that nobody dies, but it's also about as simple as it gets.