One could argue that the concept of house rules is the inverse - a form of game mechanics that’s enforced by an individual gaming group’s play style.
Which means, of course, that in an alternate dimension with opposite polarity from our own, a pair of gaming enthusiasts called Eluc Leahcim and Tsew-Lleb Regor just posted a recording of their discussion on the topic of house rules in RPGs.
(And with names like those, they probably mentioned the Uhluhtc fo Llac game, too.)
Really? There’s been precious little in the way of wicked chortles or insane cackling on the podcast, and there’s been a total absence of the distinctive sounds of moustaches being twirled, or goatees being stroked with malice aforethought. If you’re the evil twins, you really ought to up your game.