Portal 2 Chapter 4 Test Chambers 21 & 22 (Escape)

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Portal 2 Chapter 4 Test Chamber 21
sp_a2_bts1.bsp Jailbreak

Chamber number 2.pngChamber number 1.png


Test Chamber Infobox previous.png
Test Chamber Infobox next disabled.png
Test Chamber Infobox Portal Guy.png
Chamber progress 2.pngChamber progress 1.pngChamber progress slash.pngChamber progress 2.pngChamber progress 2.png


Portal 2 Chapter 4 Test Chamber 21.png
Chamber icon light bridge on.pngChamber icon cube dispenser on.pngChamber icon cube button on.pngChamber icon cube hazard on.pngChamber icon laser sensor.png
Chamber icon laser redirection.pngChamber icon turret hazard.pngChamber icon laser hazard.pngChamber icon water hazard on.pngChamber icon dirty water.png

This is the thirtieth level(s) of the game, and the final parts of Chapter 4. This level is set within two Test Chambers (one being a test chamber and one being a maintenance area) and the maintenance areas of the Aperture Science facility. This level advances the central plot, and does not contain any significant Portal-related challenges.

Portal 2 Chapter 4 Test Chamber 22
sp_a2_bts2.bsp Escape

Chamber number 2.pngChamber number 2.png


Test Chamber Infobox previous disabled.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 2.pngChamber progress 2.pngChamber progress slash.pngChamber progress 2.pngChamber progress 2.png


Portal 2 Chapter 4 Escape.png
Chamber icon cube dispenser.pngChamber icon cube button.pngChamber icon cube hazard.pngChamber icon player button.pngChamber icon water hazard.png
Chamber icon fling enter.pngChamber icon fling exit.pngChamber icon turret hazard on.pngChamber icon dirty water.pngChamber icon crusher hazard on.png


Contents

Mechanics

Characters

Objective

  • Escape GLaDOS' Test Shaft (Test Chamber 21)
  • Complete GLaDOS' Test Shaft (Test Chamber 21 + 22) (not the fake chamber 22, real chamber 22 is in the walkthrough)

Hazards

Locations

  • Aperture Science Enrichment Center
  • Test Chamber 21 (GLaDOS)
  • Sector 37
  • Sector 48 (Test Chamber 22)
  • Turret Manufacturing Chamberlock Entrance
  • Facility


Walkthrough

Intended Chamber Solution

  • Place a portal on the wall where the Hard Light Bridge ends and the other one on the left side of the exit.
  • Go through the portal and push the Switch.
  • Continue to walk to the cube.
  • Put the cube on the button.
  • Use the portal again to proceed to the chamber lock.

Actual Course of Action

Escaping (Part 1)

  • Proceed through the intended chamber solution (above) until the lights shut off.
  • Wait for Wheatley to open the wall and run to the Maintenance area.
  • Run to the left and continue forwards.
  • Turn right on just before the catwalk ends.
  • Turn left and jump down. Continue by to the right up the stairs.
  • Run forward as much as you can. Turn left and continue running.
  • Jump down on the left side.
  • Use the Bridge and run away from the Chamber until the Bridge disappears.
  • Turn to the opposite direction and continue running.

Escaping (Part 2)

  • Jump from the catwalk to the area between chambers and run forward until you get to the wall.
  • Pick up the turret and knock over the turret behind it.
  • Turn left and go behind the tube and knock over the third turret.
  • Let go off the turret (make sure it gets knocked over).
  • Open a portal on the wall near the third turret. Shoot the other portal behind the panels where the third turret is. Go through the portal.
  • Run to the right and follow Wheatley until a turret is revealed on the left.
  • Get rid of the turret by using a portal and continue following Wheatley. Enter the elevator at the end of the catwalk.
  • Wait for the elevator to stop and go through the door.

Video walkthrough

Download demo files: Download Part 1Download Part 2

Related achievements

SaBOTour
SaBOTour
Make a break for it
Good Listener
Good Listener
Take GLaDOS' escape advice

Trivia

  • If you take too long to escape the test chamber, GLaDOS will fill the room with neurotoxin.
  • If you fall for GLaDOS's attempt to trick you back into testing, she traps you and fills the fake Test Chamber 22 with neurotoxin.
  • Halfway through Chamber 22, there's an unknown chamber with a Turret inside it.

Music

An Accent Beyond by Aperture Science Psychoacoustics Laboratory [2:58] | Download Download | Play icon.png Play

Gallery

Transcript

GLaDOS: I've got a surprise for you after this next test.
GLaDOS: Not a fake, tragic surprise like last time... ... a REAL surprise with tragic consequences.
GLaDOS: And real confetti this time.
GLaDOS: The good stuff - our last bag.
GLaDOS: Part of me's going to miss it, but at the end of the day, it was JUST taking up space.
[LIGHTS TURN OFF]
GLaDOS: What's going on? Who turned off the lights?
Wheatley: Hey, buddy!
Wheatley: I'm speakin' in an accent that is beyond her range of hearin'. I know I'm early, but we have---
GLaDOS: Look, metal ball - I CAN hear you.
Wheatley: Run - I don't need to do the voice - RUN...
Wheatley: RUN!!!
Wheatley: Come on, come on!
Wheatley: RUN! Come on! I'm closin' the doors!
Wheatley: OK, quick recap: we are escaping! That's what's happening now: we're escaping. So you're doing great. Just keep running!
Wheatley: Err, quick word about the future plans that I've got in store.
Wheatley: We're gonna shut down her turret production line, alright, turn off her neurotoxin, and then confront her.
Wheatley: Again though - for the moment - RUN!
Wheatley: This way, this way.
GLaDOS: The irony is you're almost at the last test.
GLaDOS: Here it is. Why don't you just do it? Trust me, it's the easiest way out than whatever asinine plan your friend came up with.
Wheatley: Whaaa? How stupid does she think we are?
Wheatley: Oof.
Wheatley: This way, this way.
Wheatley: Come on, come on!
Wheatley: WAARGH!
Wheatley: What's going on in there?!
Wheatley: Can you--- can you get out?!
Wheatley: We HAVE to get you out of there!
Turret: (Who are you?!)
Wheatley: Try to make your way back out here!
Turret: (Malfunctioning!)
Turret: (Shutting down.)
Wheatley: I heard gunfire! A bit late for this, but look out for gunfire! Probably doesn't help at this point, but I have at least tried.
Turret: (Awww!)
Turret: (Why?)
Turret: (WHEE! OW, OW, OW, OW, OW!)
Turret: (I don't blame you.)
Wheatley: You're OK! Great, come on!
Wheatley: This way, this way.
Wheatley: Turrets!
Wheatley: Go, go, go, go.
Wheatley: There's the exit! We're almost out of here.
[TESTCHAMBER MOVEMENT]
Wheatley: She's bringing the whole place down. HURRY! HURRY! This way.
Wheatley: GET IN THE LIFT! GET IN THE LIFT!
Wheatley: We made it, made it, made it, made it.
Wheatley: I'll meet you on the other side!