These symbols actually show their rank within the games. There are three types of workers in the game - those who wear circle masks, square masks and triangle masks.

By associating these symbols with both childhood and a ruthless hierarchical organization, "Squid Game" questions the line ...

We wanted something simple to remember, which is why we went with icons or symbols, and I came up with the triangle-circle-X-square combination immediately afterward. I gave each symbol a meaning ...