There is only one rule: it can't be played the same way twice. Rules cannot be used twice (except for the rule that rules cannot be used twice), and any plays made in one game may not be made again in any future games.
Assembling Ikea it is required that upon completion that you realize the left thing is on the right side so dammit, DAMMIT! you have to take it all apart and start over.
@eniko Well, #AccordingToTheRules it is illegal to eat in a California restaurant that is on fire. These types of bills only pass if this has been an actual problem, generally. 🤔
In the capitol of my home province, Victoria, BC, if you are accompanying a lady by the harbour after dark, you must carry a sword or flint-lock pistol.