The origins of "Rule Zero" – the explicit meta-rule that RPG gamemasters can alter or discard published rules – go back to the 1970s, when gamers like Ed Simbalist saw how many published systems embraced the idea. https://t.co/Pzdsnzc8Th #dnd #rpg pic.twitter.com/IcI3hysFiw

— Jon Peterson (@docetist) January 16, 2021