Portal Stories: Mel Past Power

This chamber has the Repulsion Gel and the Cleansing Gel and advanced Portal jumping.

Hazards

 * Falling to Death
 * Death Fizzler
 * Turrets

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.

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.

Trivia

 * Borealis floats and graffiti can be found near a few of the Vitrified doors.
 * The music played during this chamber is known as Out of Order.