I spent two weeks in a warehouse studio watching crews test tubs of green goo with stopwatches, ladders, and a lunch tray full of mashed bananas. The smart part was not the mess. The smart part was how every obstacle gave the room permission to holler before the rules caught up.
A cleaner show would miss the point
The best games were dares passed across a cafeteria table: simple enough to shout, gross enough to remember. When a contestant crawled through syrup at 3:42, the set learned the same lesson at once. Dignity is optional; timing is everything.