PORTAL 2 - Full Game Walkthrough

(2:47:34)

Portal 2 - The Moron Theory

(19:10)

Portal 2 - Full Co-op Trailer

(1:57)

Portal 2: End Credits Song 'Want You Gone' by Jonathan Coulton [1080p HD]

(2:19)

Portal 2 Full Game (No Commentary) With Extended/hidden Dialogue

(3:29:55)

Every Softlock in Portal

(43:8)

Portal 2 - Full Game Walkthrough

(2:21:28)

Portal 2 Teaser Trailer

(59)

PORTAL 2 | Full Gameplay Walkthrough | No Commentary

(3:9:22)

Michio Kaku Breaks in Tears \

(24:59)

Predicting Every Week 18 NFL Game

(45:52)

Portal 2 Speedrunners Accidentally Discover Invincibility Glitch

(10:41)

PORTAL: REVOLUTION - This Incredible Portal 2 Prequel is the Closest Thing We'll Get to Portal 3!

(3:26:42)

I Made Portal 3 Because Valve Wouldn't

(8:53)

The Portal Speedrun That Gets Every Cube

(24:42)

The Darker SECRET Experiments of Aperture | Test Shaft 09 | FULL Portal Lore

(23:25)

Error (If Portal Were A Horror Game)

(1:29:37)

Disney is \

(13:45)

Portal's Rarest Dialogue | Camera Shy

(7:28)

Two Idiots play Portal 2: Who Needs Physics When You Have Stupidty

(36:36)

PORTAL 2 MEMES

(8:21)

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(9:5)

How I Made \

(11:15)

WHERE'S MY CAKE!? | Portal 2 - Part 1

(49:32)

How Speedrunners Skip Portal 2's CRAZIEST Chamber

(5:14)

Is Portal 1 or Portal 2 better?

(11:21)

Portal 2 - Full Game (No Commentary)

(3:17:34)

The True Ending to Portal 2 has me shook.

(6:16)

The Anticipation of Portal 2

(3:56:24)

Oh, This is Why People Like Portal 2

(57:49)