The Squid Game Player costume is a popular unisex costume seen around Halloween. It features the players from the 2021 drama series Squid Game. The costume was especially popular in October of 2021, due to that being around the time Squid Game aired for the first time on Netflix in 94 countries and gained the attention of more than 111 million viewers, it gained more popularity through the social platforms, TikTok and Instagram. Much of the costumes had to be made by the wearers themselves as they weren't sold in common retail stores like Party City or Spirit Halloween at that time. The costume consisted of white T-shirts, green track suits (with a white trim), slip-On Vans sneakers, and a number imprinted on the top right of the tracksuit, most of the numbers imprinted were "067".