People are trying to buy the green tracksuits and pink jumpsuits from the popular South Korean TV series "Squid Game". They want to wear them as Halloween costumes. Clothes factories in Korea are trying to make enough clothes. One factory owner said her business is better because of Squid Game and Halloween.

Squid Game is helping South Korean culture becoming popular worldwide. It is now Netflix's most watched series ever. Around 142 million people watched it in the 28 days after its release. The series is a contest between players who are in debt. They play children's games to try to win money to get out of debt.