Koreans have been playing Tug of War for centuries. Perhaps the most famous version is Juldarigi, which involves huge ropes and whole villages competing against each other. In episode four of Squid Game, players use a much thinner rope that they can't drop, otherwise they're dead.
How to Win: Stay low and use your body, not your arms. But if you know you can't win with brute strength, take some risks! Try psyching out your opponent by surging forward and making them trip, like Gi-hun's team did.