The deadly stakes of “Squid Game” have always carried emotional weight, and Season 2 delivers one of the most gut-wrenching moments yet.

The finale climax also required a lot of time and effort. Building the set of various bright staircases “took roughly six months,” per The Wrap. The actual action required seven days of training from the stunt coordination team. And filming itself “took between seven and 10 days.”

Squid Game's creator and stars break down what went into creating Season 2, a production that lasted a challenging year.