I'd think you'd only need like 50 active players to really blow through levels on the minigame.. just seeing the numbers on the lanes on my game.. of the like 900+ players.. only 10-15 are actively playing at all.. you can tell by how many switch lanes after a kill to an active lane.. it's surprisingly little.
Yeah I totally want to get a GAF game going when the switch happens. If we all had autoclickers we would annihilate this shit.