Portal: Prelude Test Chamber 11
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Test Chamber 11
level_04.bsp 
This Test Chamber is the twelfth level of the game, and introduces the player to High Energy Pellets.
Hazards
Walkthrough
- Place a portal where the High Energy Pellet is bouncing, and the other one facing the vertical door.
- When the pellet is on the vertical door side, place the same portal as the previous near you and pass through.
- Stand on the button and wait for the pellet to reach the catcher.
- Come back on the ground level and stay in front of the door now open.
- Quickly, enter in the dark room, take a Turret in one of the corners, come back and knock the turret you are carrying over.
- Wait for the other turret entering in sleep mode and do the same process for this last turret.
- Go to the Chamberlock.
Video walkthough
- To do
See also
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