Adept Play
A supplement for Over the Edge by Robin Laws, Greg Stolze, and John Tynes, published by Atlas Games in 1993.
It is crazy how common and how widely-developed craziness is, in role-playing. As much as world-building, as much as combat options, as much as magic systems, this is a definite feature of the hobby with its own schools and aims. It is clearly a primary path toward characterization, character development, player agency (through its managed…