To get to Mt Silver you must beat all the gym leaders then talk to
professor oak and he lets you go to Mt Silver and in Mt Silver you can
beat Red [Ash] and it does the credits again.....The path to Mt Silver
is simple.you go to the indigo platou and go to the left and you are
there. You can catch sneasel in the grassy areas by the pokemon center
by mt silver.but only at night.