Portal 2 Walkthrough - Part 18 (Chapter 9 Part 1 ) [1080p HD] (PS3/X360/PC) (Gameplay)

This is the 18th part of a full gameplay walkthrough of Valve's Portal 2 on the XBOX 360, Playstation 3, and PC. This video includes the first part of Chapter 8: The Part Where He Kills You (Part 1). The levels are not clearly indicated so I took some liberty in sectioning them off. Played on the Xbox 360.

Thank you for watching the video and I hope you enjoy all the rest to come. Don't forget to subscribe and look us up on Twitter, Facebook, and Steam for the latest updates.

Developer: Valve Corporation
Publisher: Valve Corporation

[GleekItsOlly]

This channel deserves a YouTube reward.

[Indestructoboy]

Too often I subscribe to a channel and feel unfulfilled when they do a "Let's Play" and leave me hanging, you guys definitely earned your subscribers today. Thanks TheMediaCows

[ZankuroMinazuki]

Ah, that ancient and historical rivalry between Aristotle and Smashy Spike Plate. Many books have been written on the subject but only this game truly illustrates the struggle!

[Spookahauntus]

Thank you so much for posting this walkthrough. It has really helped me with the game.

[GreyWolf]

Oh Valve. Your sense of humor is incredibly good. Makes this game even more epic :D

[shiftmx]

turrets firing aimlessly while bouncing around on repulsion gel would make an amazing screensaver.

[defaultdan]

This video is a lost relic but when he talks about his lair I just blew up his screen

[tbOsiris]

I just love how the turret bounces RIGHT in front of him at 5:30. Wonder how close Wheatley gotcha?

[Asbronaut]

I love how everything is about how he kills you at that point. Lovely.

[ShoopDaWoosh]

When GlaDOS said, "Let's go get some!" I was like, "FUCK YEAH!"

[Asbronaut]

IU love how everything is about how he kills you at that point. Lovely.

[hypothesies]

After finishing Portal, there are two things I want. 1) A Portal 3 2)A Portal Movie, telling us the history of Aperture laboratory, all its secrets and everything. Actually, scratch that, there are three things I want 3) A game mode you can unlock or a DLC that lets you explore all of Aperture laboratory, and I mean ALL of it, with different time settings, such as 1940, or 1978, etc. And it could be multiplayer, too so you could explore it with friends.

[dylan.tacker]

I love how it mentions the co-op mode.

[SailorYue]

You really didn't need to go over to that beam where the turrets were. The ceiling where the button was is accecable right there.

[TuucciZ]

Epic turret attack at 5:50. If all the turrets were like that Chell wouldn't have even make it out of her room in the beginning of the game.

[SoundofStarsYT]

I'm confused... in all the trailers Valve posted there was an array of testing chambers that I have not seen throughout this walkthrough? Were they just examples, so as not to give away the real game? Because they looked really fun.

[BetaBlue]

"You like revenge, right? Everybody likes revenge. Well, let's go get some." Ahhhh. Glados. You are so much fun.

[ThendOne]

So several hours into the game, I finally realized the pun on 'potato gun'.

[DragoSonicMile]

Any idea what would happen in Wheatley's 17th chamber if you walked around the aerial faith plate and tried to grab the box on the plate that it's bouncing on?

[hevoo]

@caracatoacacepe But at the end, she said that Chell (I believe that is the name of the protagonist) is her best friend.

But what really gets me is... why didn't GLaDOS give the Portal Gun back as well as the weighted companion cube.