Portal 2's Toughest Speedrun was Finally Solved - World Record History of Ceiling Catapult
Impossible Skip Destroys Portal 2 World Record - World Record History of Finale 1
Portal 2 Challenge Finally Humanly Possible After 8 Years
Portal 2's Unluckiest Speedrun
How speedrunners beat Portal 2 in under an hour (SPEEDRUN EXPLAINED - Any% (No SLA))
Impossible Wrong Warp Skip Shatters Portal 2 World Record
Beating the Perfect Portal 2 Speedrun - World Record History of Neurotoxin Sabotage
How Speedrunners Beat Portal Without the Portal Gun
Portal 2's Most Broken Glitch
Why do Portal Speedruns look like that?
Can You 100% Portal And Get a Refund?
Portal's Biggest Speedrun Skip Finally Discovered After 14 Years
It's IMPOSSIBLE to Beat This Portal World Record. Here's Why...
These 12 Speedrun World Records were DISQUALIFIED
Portal 2 with Infinite Portals
How Speedrunners Skip "The Part Where He Kills You"
How speedrunners beat Portal in just 5 minutes (SPEEDRUN EXPLAINED - Any% Out of Bounds)
The Portal Speedrun That Doesn't Use Portals
Portal Speedrunners Found An In-Game Aimbot (And It's Not Cheating...)
Speedrunning the Half-Life and Portal Games, Back-to-Back (World Record)
