The frog gems are incredibly frustrating, because they seem to have an arbitrary set priority for their targets, which rarely matches up with incomplete objectives, which of course wastes their special ability every other time I end up making them. The sensitivity of the switches is far too high; I have lost count of the times I have swapped a Rainbow orb with an ordinary gem next to a special one. The gravity levels, where your match direction decides the direction the nexts gems fall from suck