Glitch
Yeah, that's exactly what eventually had to happen. I ran around for literally 30 minutes trying to get that ghost to open the door. No matter what I did, that second skull (and the corresponding eye) wouldn't work. Painted each half, thinned it out by halves, by the whole, over and over, and kept going back to that ghost. I'd long since freed the gremlin, so with only the one (high side) table floating and no staircase, I couldn't possibly get across in time. Since I hate the sound of sizzling Mickey, I opted for suicide by fall from a large height. Repeatedly until dead.
After reincarnation, I quickly converted all the enemy to friends, and shut down the machines. I was very careful to leave both skulls untouched until after I freed the ghost. Then I strolled over, painted each, and voila, worked like a charm.
But man, this was one sucktastic glitch. There's nothing like when you've fully completed a level in a game and having it glitch and not allow you to proceed. Even worse when it makes you restart the whole section to get back to where you were because you had to kill yourself. :fork: