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Ask the Author

If you have questions about a puzzle that aren't answered anywhere in these hints, you may contact the author.

How can I get over this glass wall?
  • 1 of 11: Not as easily as you did the first one, since most of the floor leading up to it is made of portal-proof metal.
  • 2 of 11: Look up near the ceiling above the doorway you came in through to find the extended wall segment that you need to use.
  • 3 of 11: Fire an orange portal at it, then start looking around for momentum-making opportunities.
  • 4 of 11: Check out the side area past the doorway that's near the one you came in through.
  • 5 of 11: It has some stairs that lead up to a small pit area with a concrete floor.
  • 6 of 11: So fire a blue portal at the pit floor.
  • 7 of 11: Jump into the blue portal to get thrown out of the orange portal with some momentum. It's not enough to get over the glass wall, though.
  • 8 of 11: Notice that it is enough to get you onto the concrete flooring near the glass wall.
  • 9 of 11: What you need to do is fire a blue portal at that flooring as you drop toward it after coming out of the orange portal.
  • 10 of 11: That's kind of hard to do, and will require you to look down and fire the blue portal right after you come out of the orange portal.
  • 11 of 11: When you do it right, you'll come back out of the orange portal with enough momentum to clear the glass wall and land on its other side.