Well… there are games like that which go higher, but Exit isn’t nearly so intensive.
I can’t give too much detail without delving into spoilers. Now I am very far along the do not care about spoilers side personally, but in this case there is clever mechanical integrations I don’t want to spoil. Aside from the obvious code wheels will be others where physical placement of multiple elements to reveal hidden patterns, poking holes, cutting and coloring workbook pages, etc all come into play.
The Orient Express Exit game did some real clever stuff with a dossier on passengers, and ‘locked’ cabins. Everything is printed, so no fancy cloth or magnifying glass items, but the most recent series really do a lot.
Every part of the contents of the box is used. Every. Part.
One particularly memorable one was putting a pencil inside a compass type item, and using coordinate read offs gathered from through the game getting a ‘map’ to the final objective.
Then there is the Blue Original puzzle from the pharaoh tomb one, anyone whose played that one will know exactly what I mean. It was one of the first ones released, and was a real eye opener for people, so it became an infamous puzzle for how tough it was.