: What would happen if more then one player hits it, from the same side, off
: the edge?
: Seems like there might be a possibility for the ball to miss the explosives,
: thus not triggering the door.

: I suggest adding a few explosives below the ledges. Just to make sure they
: are not missed.
: Otherwise, looks fun!

Good call. I'll add some large invisible blocks to catch the Killball and ensure that the explosives are hit.

I hope they add "If A passes through Zone B, then C".