A really fun game, but I'm stuck. Can someone tell me how to finish the last segment of the 8th dimension (lots of ice)? I got to the purple button that reverses the sideways gravity, but now I can't get back - exactly because the sideways gravity is reversed! I'd need to get up the "U"-shaped section, but the floor of it is now ice and I keep slipping down. Would be grateful if someone could share the solution.
Can someone describe how to get the green key? An earlier post says it's at X=7, Y=9; and that you have to approach it from 7, 12. However, I can't even get anywhere NEAR 7, 12 - that coordinate is miles high up in the air with nothing even remotely nearby! How do you do this?