Portal 2 - DEVELOPER COMMENTARY Published 2016-06-23 Download video MP4 360p Download video MP4 720p Recommendations 09:33 Portal: BETA - 2005 Version - Complete Game 13:04 Bringing GLaDOS to life with Robotics and AI 24:17 Portal 2: THINKING WITH TIME MACHINE - Full Walkthrough 42:56 Portal 2 - Developer Commentary Complete on Single Player (All with Subtitles) 14:02 Aperture Hand Lab - Getting Handsy With Some Personality Cores (VR gameplay, no commentary) 15:46 [TF2] Would Source 2 Even Help? 56:47 APERTURE TAG - Full Game Walkthrough 【No Deaths】 17:17 Doom Crushers Are Weird 38:54 How Two People Created Gaming’s Most Complex Simulation System 1:05:06 Half-Life: 25th Anniversary Documentary 17:33 Portal: FACTUM SOLUS: Episode 1 - Full Walkthrough 19:10 Portal 2 - The Moron Theory 1:21:44 The Making of Pentiment - Noclip Documentary 52:00 Creating a DOOM (Wolfenstein) - style 3D Game in Python 16:20 Portal 2 Easter Eggs And Secrets HD 04:41 Portal 2: Cut Content - Wheatley Unused Lines 【High Quality】 08:48 Portal 2 Wheatley's Betrayal 4K 31:14 The Traumatic Untold Story of The Fall of Humanity | Seven Hour War | FULL Half-Life Lore 32:05 Portal: FACTUM SOLUS: Episode 2 - Full Walkthrough 06:00 How To Get Annabelle in Half-Life 2 NO CHEATS | January 2024 Similar videos 22:40 Portal Developers React to Multiple Speedruns (Valve Software) 13:01 Portal Speedrunner Explains to Valve How He Breaks Their Game 31:09 Complete Portal Developer Commentary (mirror) 00:41 Portal 2: Neurotoxin Vs Developer Commentary 04:16 Portal 2 - Weirdest Rat Man Room (Incl. Adam Foster Dev. Commentary) 02:41 Portal 2 | Developer Commentary - What did you just say? 4:33:52 Portal 2 Developer Commentary Playthrough (Livestream) 00:59 PORTAL 2 'Death' Developer Commentary 07:18 Portal 2, Developer Commentary, Co-op: Part 1 *Stampy Reupload* 19:43 Portal 2's Cut Content (Exclusive) 43:32 Developer Commentary Part 1 - Portal 2 - Episode 01 04:33 Wheatley - Developer's commentary 57:53 Portal Developer Commentary 2022 Upload - Starring Ellen Mclain 14:33 Portal 2, Developer Commentary, Singleplayer Part 1 *Stampy Reupload* 00:33 PORTAL 2 'Taunt' Developer commentary More results