Skip to content
Part 36
Portal

Part 36

Portal Part 36 walkthrough, including Least Portals Maps for Test Chambers 13, 14, and 15, and how to achieve gold.

By ···10 min read·Multi-source verified
1 reading this guide  

Portal Part 36 walkthrough, including Least Portals Maps for Test Chambers 13, 14, and 15, and how to achieve gold.

Walkthrough
  1. 1
    From the ledge, shoot a portal at your feet to land near the door.
  2. 2
    Crouch and shoot a portal at the ground on the other side of the door.
  3. 3
    Inside, shoot a portal at the lowest piston.
  4. 4
    Walk to the ledge above the large pit (not the water).
  5. 5
    Shoot a portal at the ground here and jump down through it.
  6. 6
    As you exit the portal on the piston, aim for the next highest piston.
  7. 7
    Shoot the portal that was in the pit (not the one on the piston) onto this next piston.
  8. 8
    You will fall through and shoot up from the higher piston.
  9. 9
    Continue this process, alternating portals, until you reach the fourth piston.
  10. 10
    For the fourth piston, look back towards the area between the lowest piston and the pit.
  11. 11
    Look up to see a wall slanted at a 45-degree angle.
  12. 12
    Shoot the portal opposite the one on the highest piston at this slanted wall to be flung to a platform.
  13. 13
    Run through the doorway and into the chamberlock.

Least Portals Maps (LATO)

Least Portals Test Chamber 13 (LP13)

  • Goal: 9 Portals
  • Gold: 3 Portals
Walkthrough
  1. 1
    Run through the hallway and to the button.
  2. 2
    Stand on the button and face the box on the walkway above.
  3. 3
    Jump off the button towards the box and attempt to grab it through the grate in mid-air. Keep trying until successful.
  4. 4
    Place the box on the button.
  5. 5
    Go back towards the hallway until you can look up through the grate and door to shoot at the wall near the higher piston. Shoot one portal there.
  6. 6
    Shoot the other portal at the wall near you and jump through.
  7. 7
    Do not place the box on the button yet. Grab it and use the corner of the piston to angle it 45 degrees relative to you and slightly down towards the lower piston.
  8. 8
    Crouch near the side of the piston you are on and try to deflect the energy ball into its receptacle.
  9. 9
    Place the box on the button.
  10. 10
    Jump to the lower piston, then to the white grate near the doorway. Save here.
  11. 11
    Jump over to the black, blue, and white scaffold edge piece, landing on the black part.
  12. 12
    Wait for the scaffold to come near you, jump on, and grab the box.
  13. 13
    Jump back to the white grate, then to the lower piston.
  14. 14
    Place the box on the button, then jump back to the white grate.
  15. 15
    Go through the door and enter the chamberlock to claim your gold.

Least Portals Test Chamber 14 (LP14)

  • Goal: 6 Portals
  • Gold: 2 Portals
Walkthrough
  1. 1
    Run forward and place your first portal on the ground near the piston.
  2. 2
    Turn left and run up the stairs.
  3. 3
    Turn around, facing the ledge, and place a portal at the bottom of the pit.
  4. 4
    Jump down and through the portal.
  5. 5
    While going up through the portal near the piston, move the analog stick towards the piston to land on top.
  6. 6
    Run into the chamberlock.

Least Portals Test Chamber 15 (LP15)

  • Goal: 23 Portals
  • Gold: 14 Portals
Walkthrough
  1. 1
    Run out of the chamberlock into the next room.
  2. 2
    Place your first portal near the middle of the checkerboard portion of the ground.
  3. 3
    Turn around and place your second portal on the pushed-out concrete slab above the door.
  4. 4
    Fall through the portal on the floor and aim for the portal on the slab when falling through the air to be flung to the other side.
  5. 5
    Run into the next room.
  6. 6
    Place one portal where the energy ball is hitting the wall.
  7. 7
    Stand in front of the corner near the energy grid by the door you came in from.
  8. 8
    Turn and face the piston.
  9. 9
    Shoot the other portal directly above the sign to the left of the piston and wait for the energy ball to hit the receptacle.
  10. 10
    Ride the piston up and go into the next room.
  11. 11
    Place a portal as close to the black portion of the ground as you can, directly in front of the checkerboard portion.
  12. 12
    Turn around and place the other portal on the pushed-out concrete slab.
  13. 13
    Go back and stand by the door.
  14. 14
    Take a running jump into the portal and keep holding forward as you fly through the air to be flung over the barrier.
  15. 15
    Go through the door and stand on the scaffold.
  16. 16
    Shoot a portal as far down the left wall as you can (when facing away from the door).
  17. 17
    Shoot the other portal at the wall right next to the scaffold.
  18. 18
    Crouch down and carefully strafe the portals until you can shoot a portal even further down the hall.
  19. 19
    Shoot the portal that was above the water at the far wall as far to the left as you can get it (not the scaffold).
  20. 20
    As it is in transit, take one step back out of the portal to avoid being sent into the water.
  21. 21
    Re-enter the portal the same way and shoot a portal at the ground in the center of the next room, as far to the right as you can see from your current location.
  22. 22
    Take a step backwards out of the portal.
Tips
  • For Test Chamber 13, getting the box through the grate requires persistence and luck.
  • Saving after reaching the black, blue, and white scaffold edge piece in Test Chamber 13 is recommended due to the tricky next step.
  • In Test Chamber 15, when flinging yourself over the barrier, keep holding forward after entering the portal.
  • When shooting the portal at the far wall in Test Chamber 15, be mindful of the water and step back to avoid it.

100% Human-Written. AI Fact-Checked. Community Verified. Learn how AntMag verifies content