[This story contains major spoilers from the Squid Game season two finale.]

Hwang Dong-hyuk has crafted Squid Game as a three-season story. But the creator of Netflix’s global smash-hit series has ideas to continue on by turning it into a franchise.

“When we were doing season one, I was saying there was never going to be another season,” Hwang told The Hollywood Reporter when launching season two. “And so if the time comes, and it just so happens that I’m able to come up with a character or a different story, then maybe there might be a comeback. But I’m thinking more along the lines of a spinoff.”

Among the multiple ideas he shared for a spinoff series emerges a theme: filling in the gaps. Hwang suggests telling the backstories of other characters, or even exploring the lost time between seasons one and two for returning characters Front Man (Lee Byung-hun) and/or Recruiter...