I was looking in Championship Edition DX's speedruns and saw a score attack speedrun. The rules were "Timing ends when the score hits the score goal. Your time is the amount left on the clock." and it made me wonder if S or A Rank speedruns could be added.

One Mind - Purchase the One Mind upgrade and begin the Grandmapocalypse One with Everything - Have 1 of each building I feel these two categories would explore much more of what Cookie Clicker has to offer without becoming too long.