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== Hazards == | == Hazards == | ||
* Falling to Death | * Falling to Death | ||
* [[Death Fizzler]] | |||
== Walkthrough == | == Walkthrough == | ||
== Video | ===Story Mode=== | ||
====Chamber==== | |||
* Press the [[Pedestal Button]] to dispense [[Repulsion Gel]] on the floor. | |||
* Place your first portal on the floor underneath the [[Repulsion Gel]] tube. | |||
* Place your second portal on the wall on the ledge at the back of the room. | |||
* Press the [[Pedestal Button]] again to dispense [[Repulsion Gel]] onto the ledge. | |||
* Jump up to the grate platform with the [[Repulsion Gel]] on the floor and ledge. | |||
* Walk outside and press the [[Pedestal Button]] to drop a [[Cube]] onto the raised platform. | |||
* Move your first portal to the wall above the outside [[Pedestal Button]]. | |||
* Walk back inside and move your second portal to a spot on the floor close to the grate platform. | |||
* Jump into the portal to fling yourself to the raised platform. | |||
* Pick up the [[Cube]] and jump to the grate platform. | |||
** If you miss the jump, you can use your portals to get up without losing the [[Cube]] in the [[Material Emancipation Grill]] doorway. | |||
* Bounce over to the door to the second area. | |||
* Place the [[Cube]] on the [[Heavy Duty Super-Colliding Super Button]] to open the door. | |||
* Enter the second area. | |||
* Move your first portal to the wall next to the second [[Heavy Duty Super-Colliding Super Button]]. | |||
* Return to the first area. | |||
* Pick up the [[Cube]] and take it through the portal to the second area. | |||
* Place the [[Cube]] on the second [[Heavy Duty Super-Colliding Super Button]] to disable the [[Material Emancipation Grill]] in the second area and turn on one blocking off the [[Cube]] and [[Heavy Duty Super-Colliding Super Button]]. | |||
* Place your first portal on the floor behind the disabled [[Material Emancipation Grill]]. | |||
* Place your second portal on the floor in the first area. | |||
* Go through the portal to the first area. | |||
* Jump up to the grate platform with the [[Repulsion Gel]] on the floor and ledge. | |||
* Jump into the portal from the grate platform to fling yourself upwards in the second area. | |||
* Press the [[Pedestal Button]] at the ceiling in the second area to change the [[Death Fizzler]] to a [[Material Emancipation Grill]]. | |||
* Walk through the [[Material Emancipation Grill]]. | |||
* Drop down to the [[Repulsion Gel]] tube and walk across it to Pump Station Beta. | |||
====Pump Stations==== | |||
* Drop to the ground. | |||
* Head to the left and enter the door that opens. | |||
* Walk to the rear-left pillar. | |||
* Place your first portal at the top of the pillar, on the spot marked with a red X. | |||
* Place your second portal on the floor at the base of the pillar. | |||
* Drop through the portal and land in the portal again as you're falling to fling yourself to the pump station. | |||
* Walk inside the pump station and flip the switch to turn on the [[Propulsion Gel]]. | |||
* Drop to the floor. | |||
* Move your first portal to the wall through the broken window below the pump station. | |||
* Move your second portal to the floor underneath the [[Propulsion Gel]]. | |||
* Wait a few seconds to let the [[Propulsion Gel]] dispense in the hallway. | |||
* Drop through the portal and run through the hall, grabbing or knocking over the turret at the end to stop it shooting you. | |||
* Pull the lever in the officer labelled "OVERRIDE". | |||
* Walk through the [[Material Emancipation Grill]] in the hallway. | |||
* Turn left and walk through the door. | |||
* After following Virgil's directions, turn around and walk back and enter the door on the right. | |||
* Flip the switch to turn on the [[Repulsion Gel]]. | |||
* Walk through the gate that opens and follow the catwalk to the right, going through the door at the end. | |||
* Walk through the hall to the next door. | |||
* Go through the door and [[Material Emancipation Grill]], then go up the stairs to the left to the next door which opens to the next big area. | |||
* Place your first portal on the floor portal surface you see immediately out of the door. | |||
* From the ledge you can see another floor portal surface below and to the right. Place your second portal there. | |||
* Jump into your second portal to fling yourself upward from your first portal. | |||
* While in the air, move your second portal to the nearby wall portal surface (as high as possible) to fling yourself onto the top of the next test chamber. | |||
* Walk toward the large "EXIT" decal and drop down to the catwalk to access the elevator. | |||
===Advanced Mode=== | |||
====Chamber==== | |||
* Walk outside through the [[Material Emancipation Grill]]. | |||
* Place your first portal on the wall above the grate platform. | |||
* Place your second portal on the wall beside you. | |||
* Go through the portal and press the [[Pedestal Button]] to drop a [[Cube]] onto the raised platform. | |||
* Walk back inside on the grate platform and move your second portal to a spot on the floor close to the grate platform. | |||
* Jump into the portal to fling yourself to the raised platform. | |||
* Pick up the [[Cube]] and jump to the grate platform. | |||
** If you miss the jump, you can use your portals to get up without losing the [[Cube]] in the [[Material Emancipation Grill]] doorway. | |||
* Move your first portal to the floor near the ledge with the door. | |||
* Jump into the portal to fling yourself up to the door. | |||
* Place the [[Cube]] on the [[Heavy Duty Super-Colliding Super Button]] to open the door. | |||
* Enter the second area. | |||
* Move your first portal to the wall next to the second [[Heavy Duty Super-Colliding Super Button]]. | |||
* Return to the first area. | |||
* Pick up the [[Cube]] and take it through the portal to the second area. | |||
* Place the [[Cube]] on the second [[Heavy Duty Super-Colliding Super Button]] to disable the [[Material Emancipation Grill]] in the second area and turn on one blocking off the [[Cube]] and [[Heavy Duty Super-Colliding Super Button]]. | |||
* Place your first portal on the floor behind the disabled [[Material Emancipation Grill]]. | |||
* Place your second portal on the floor in the first area. | |||
* Go through the portal to the first area. | |||
* Walk outside through the [[Material Emancipation Grill]]. | |||
* Get up to the grate platform with your portals as before. | |||
* Walk inside and move your first portal to the floor behind the disabled [[Material Emancipation Grill]] in the second area, which you can see through a grate wall. | |||
* Place your second portal on a spot on the floor close to the grate platform. | |||
* Jump into the portal from the grate platform to fling yourself upwards in the second area. | |||
* Press the [[Pedestal Button]] at the ceiling in the second area to change the [[Death Fizzler]] to a [[Material Emancipation Grill]]. | |||
* Walk through the [[Material Emancipation Grill]]. | |||
* Drop down to the [[Repulsion Gel]] tube and walk across it to Pump Station Beta. | |||
====Pump Stations==== | |||
* Drop to the ground. | |||
* Head to the left and enter the door that opens. | |||
* Place your first portal at the top of any pillar on the inside. | |||
* Place your second portal at the base of the pillar. | |||
* Go through the portal to get to the high-up platform. | |||
* Walk to the left side of the platform and move your first portal to the floor between the platform and the pump station. | |||
* Walk to the opening in the middle of the grate platform and move your second portal to the floor below. | |||
* Jump down into this portal to fling yourself into the air beside the grate platform. | |||
* While in the air, move your first portal to the top of the rear-left pillar, on the spot marked with a red X, to fling yourself to the pump station. | |||
* Walk inside the pump station and flip the switch to turn on the [[Propulsion Gel]]. | |||
* Drop to the floor. | |||
* Move your first portal to the wall through the broken window below the pump station. | |||
* Move your second portal to the floor underneath the [[Propulsion Gel]]. | |||
* Wait a few seconds to let the [[Propulsion Gel]] dispense in the hallway. | |||
* Drop through the portal and run through the hall, grabbing or knocking over the turret at the end to stop it shooting you. | |||
* Pull the lever in the officer labelled "OVERRIDE". | |||
* Walk through the [[Material Emancipation Grill]] in the hallway. | |||
* Turn left and walk through the door. | |||
* After following Virgil's directions, turn around and walk back and enter the door on the right. | |||
* Flip the switch to turn on the [[Repulsion Gel]]. | |||
* Walk through the gate that opens and follow the catwalk to the right, going through the door at the end. | |||
* Walk through the hall to the next door. | |||
* Go through the door and [[Material Emancipation Grill]], then go up the stairs to the left to the next door which opens to the next big area. | |||
* Place your first portal on the floor portal surface you see immediately out of the door. | |||
* From the ledge you can see another floor portal surface below and to the right. Place your second portal there. | |||
* Jump into your second portal to fling yourself upward from your first portal. | |||
* While in the air, move your second portal to the nearby wall portal surface (as high as possible) to fling yourself onto the top of the next test chamber. | |||
* Walk toward the large "EXIT" decal and drop down to the catwalk to access the elevator. | |||
==Easter Egg walkthrough== | |||
* Follow the regular walkthrough until you are on top of the test chamber at the end. | |||
* Look to the left from the "EXIT" decal to see a structure with a portal surface at the bottom. Move a portal there. | |||
* Jump down to a safe spot that isn't the catwalk to the elevator. | |||
* Find another portal surface and move your other portal there. | |||
* Hop through the portal to get to the structure. | |||
* Follow the catwalk to the vitrified door, ignoring Virgil. | |||
* Open the door. | |||
== Video walkthrough == | |||
{{youtube|WycTqNb7OJk|hd=on}} | {{youtube|WycTqNb7OJk|hd=on}} | ||
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