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Portal Walkthrough Chapter 11

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Use portals to bounce the pellet into the receiver and power the moving platform.

Get on the platform with the button and press it. Shoot a portal through the door that opened and wait for the moving platform. Jump through your portal onto it when it's lined up.

Use portals to get rid of the green pellet. Use portals to get past the wall blocking the path ahead.

Oh shit son, Glados is gonna fry you! Portal your way outta this oven and too your escape.