The truth about Il-nam’s old home
Viewers thought Il-nam was suffering from dementia for the majority of episode 6, and when he conflated the game’s phony set with his real neighborhood, they wept genuine tears for him.
We miss those tears because the perplexing dismay was a signal to Il-nam’s real identity – the marbles game’s layout was a reference to this old home, and he was having a blast. Also, did you notice the squid game symbols at the house’s entrance?