Enter Ricardo Bofill’s La Muralla Roja. There’s a good chance Squid Game took some heavy influence from this as it’s actually been around quite awhile. The 1968 functioning apartment complex is located in Calp, Spain.
From Wallpaper Magazine © Sebastian Weiss, 2020
The design supposedly took references from the Mediterranean Arab architecture in the surrounding area.
These were taken by Victor Delaqua for Arch Daily
Look familiar?
From an article on Architizer
Although Squid Game director Hwang Dong-hyuk credits the architecture to M.C. Escher, I can’t help but guess he must have seen Ricardo’s work at some point.