Squid Game season 2 has finally arrived after three years, the follow-up to the most-watched Netflix series of all time which has become a full-on brand for the service.

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.”

Netflix’s hit Korean series about the indignities of modern capitalism is back for more brightly colored mayhem. Here’s a recap of what happened.