Most of the time, when I look around for a way to get this achievement, everyone always says, "Save before-hand, and pray for some luck, because this might take you a few tries." Well, I've found another, MUCH easier way to do it, thanks to RoosterTeeth on Youtube. Anyone interested?

Yes. Yes I am. It's the only SP achievement I haven't gotten.

Just go to the level in the sphere where the blue painted box gets painted with blue gel and bounces out the glass. Save before hand and repeat.

Is it, per chance, the trick with switching out the gel for water as soon as the box is painted?

Maybe you should post the video so everyone won't be driven insane by the suspense of an alternate way to get an achievement.

lol I got that for first time playing.