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Portal 2 Hints
How can I get through this chamber with only one cube?
1 of 7: After getting a cube, toss it onto the upper floor from down on the main floor.
2 of 7: The easiest way to do that is to hold the cube up high as you move toward the edge of the upper floor, then quickly jump and drop the cube when you get close.
3 of 7: If you find that too hard, drop the cube on the highest point of the overgrown rubble that's next to the upper floor.
4 of 7: Go over to the portal-friendly walls that are next to the chamber's rubble-blocked entrance and open a blue portal on one of them.
5 of 7: You're then going to use the Advanced Portaling Tip to get onto the upper floor.
6 of 7: Once there, go over to the edge that's overgrown by plants, then crouch down and move to where you can pick up the cube if you left it on the rubble below.
7 of 7: Set the cube on the big red button, then go through the exit door.
