Various "7 Sins" themed escape rooms in Europe (Spain/Barcelona) have similar completion-tracking keywords in their descriptions. barcelona Archives - Black Rose - Escape Room Blog
While "Couple of Sins" is a common idiomatic expression used in various reviews and religious contexts, its use as a specific event keyword often relates to the immersive production titled (Московские банкиры). Event Overview: Moscow Bankers couple of sins ticket show 13 05 2023 151102 min top
Often discussed in the context of "the final couple of sins" in its iconic plot. Various "7 Sins" themed escape rooms in Europe