Portal Test Chamber 11
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|“I can't get over how small you are!”
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This Test Chamber is the twelfth level of the game, and introduces the player to the upgraded Handheld Portal Device which allows the creation of both blue and orange portals.
- Proceed up the stairs and place a portal on a wall or on the floor.
- Wait for the orange portal to be generated behind the platform with the Switch.
- Activate the switch.
- Place your portal on the wall behind the door that opens upon activating the switch.
- Wait for the orange portal to be generated behind you.
- Proceed through the orange portal.
- Place your portal on the piece of wall where the pellet collides with it (marked with a circular piece of scorched wall).
- Wait for the orange portal to be generated opposite to the High Energy Pellet Catcher.
- Proceed through your portal onto the Unstationary Scaffold.
- Walk up to the pedestal to upgrade your Handheld Portal Device.
- Activate the switch that pops up from behind the platform.
- Place one portal on the wall behind the door that opens upon activating the switch.
- Place the other portal on the wall behind the Unstationary Scaffold.
- Use the Unstationary Scaffold to reach your portal and pass through.
- Proceed into the Chamberlock to your left.
| Lab Rat|
Acquire the fully powered Aperture Science Handheld Portal Device.
Main article: Portal soundtrack
Subject Name Here by Valve Studio Orchestra [1:44]