Portal 2's Most Broken Glitch
27:02
Portal 2's Toughest Speedrun was Finally Solved - World Record History of Ceiling Catapult
10:41
Portal 2 Speedrunners Accidentally Discover Invincibility Glitch
9:44
Snow White - It's Even Worse Than I Expected
23:25
The Darker SECRET Experiments of Aperture | Test Shaft 09 | FULL Portal Lore
13:01
Portal Speedrunners Found An In-Game Aimbot (And It's Not Cheating...)
10:55
How Portal 2 Was Beaten in Under 1 Hour
8:53
I Made Portal 3 Because Valve Wouldn't
19:11