
I'm going to have to explain this room
that middle brick I the room contains a moving portal gun that fires portals in 4 directions, like the second floor on portal.
I had to change this room a bit due to the bouncing weighted cube that you threw in the portal came back and hit you in the face.
Here is a side view of part of the room

the second one is the modified room, i had modified it so the cube would not bounce back through the portal, giving you a dent in your head. I also used setitemdirection to give the effect of the portal gun launching portals.
Next room I'm working on

So far
5 complete levels.
barely over 2000 bricks used
I also loveed up the energyball launchers/receivers.