Two generation of Pokemon games were plagued by people who figured out how to reverse the random number generator, and could make the game do exactly what they

Two generation of Pokemon games were plagued by people who figured out how to reverse the random number generator, and could make the game do exactly what they want. I think it was a MT generator, but it's been a while since I played with it -- the search space was small enough that a decent desktop could search the space in less than a minute.