Rediscovered this after a long time, still love it. I just wish the zooming worked better near the edges. Seems like you have to put your mouse on the very edge to make sure the edge is included, instead of it centering around your mouse. Wouldn't be as much of a problem if dragging worked, but I can't figure out how to drag without placing a probe.
Current best probes out of 6 wins is 44 and best time is 2:08