Squidward Game Season 1

A group of people who are desperate and in urgent need of money receive a mysterious invitation to join a game. In order to win a prize of 45.6 billion won, 456 contestants from various backgrounds were locked up in a secret place to play the game. Each round of the game is a traditional game that Koreans would play as children, such as one-two-three wooden figures, but the consequence of failure is death. Who will be the ultimate winner and what is the purpose of this game?