"Squid Game showrunner Hwang Dong-hyuk is eagerly anticipating the premiere of the third and final season on Netflix next Friday. Fans are also curious about the future of the Squid Game universe, with discussions of a possible spin-off. Hwang has hinted at the idea of an interquel set between Season 1 and Season 2, focusing on Seong Gi-hun's pursuit of the game's creators. Despite the show's immense success, Hwang has confirmed that Season 3 will mark the end of Squid Game, but leaves the door open for potential spin-offs or sequels in the future."
Source: https://movieweb.com/squid-game-creator-spin-off-idea-netflix/