Portal Test Chamber 09
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Test Chamber 09
testchmb_a_09.bsp 
This chamber is the tenth level of the game and offers the player a somewhat more challenging test. Upon entering the chamber, GLaDOS claims that this test is impossible, and proceeds to apologise for the test as you attempt to solve it. However, the chamber can possibly be completed.
Hazards
- Cube Hazard
Walkthrough
- Place a portal underneath the Weighted Storage Cube so that it falls through.
- Proceed through the portal onto the raised platform.
- Shoot a portal on the wall in the opposite room through the square opening in the wall dividing the rooms.
- Walk through the orange portal with the cube.
- Place the cube on top of the button.
- Proceed into the chamberlock.
