![Valve's "Secret Weapon"](https://ytimg.googleusercontent.com/vi/9Yomqk0C6kE/hqdefault.jpg)
Valve is famous for crafting games that are polished and intuitive. But that’s no accident: the developer has a near-religious obsession with playtesting. Learn more, in this video.
Before you watch
Content warning: Blood, Combat
Sources
[1] Valve reflects on The Orange Box, ten years later PC Gamer
https://www.pcgamer.com/valve-reflects-on-the-orange-box-ten-years-later/
[2] Developer Commentary Portal
https://store.steampowered.com/app/400/Portal/
[3] Portal Beta 2005 & More 2006 Content Logan on YouTube
https://www.youtube.com/watch?vUo7sozG32F0
[4] Beyond the Box 1UP
Archive: https://web.archive.org/web/20110524000033/http://www.1up.com/features/beyond-the-box
[5] Kim Swift – ‘Our Journey From Narbacular Drop To Portal’ IGS 2007
https://www.youtube.com/watch?v2F0SVZA9fIo
[6] Narbacular Drop Digipen Institute of Technology
https://www.digipen.edu/showcase/student-games/narbacular-drop
[7] Valve’s Design Process for Creating Half-Life 2 GDC 2006
https://www.gdcvault.com/play/1013237/Valve-s-Design-Process-for
YouTube mirror: https://www.youtube.com/watch?v1plhILdjuZE
[8] Valve’s philosophy with User Research… Steve Bromley
https://www.stevebromley.com/blog/2011/09/01/valves-philosophy-with-user-research-in-games-habe-newell-and-mike-ambinder/
[9] The Science of Playtesting GameSpot
https://www.gamespot.com/articles/the-science-of-playtesting/1100-6323661/
[10] Opening the Valve Eurogamer
https://www.eurogamer.net/i-valve-060606
[11] Valve Is Finally Ready to Talk About Its Games Again… The Escapist
https://www.escapistmagazine.com/valve-ready-to-talk-about-its-games-again-nine-years-later/
[12] Thinking With Portals Game Developer Magazine
[PDF] https://ubm-twvideo01.s3.amazonaws.com/o1/vault/GD_Mag_Archives/GDM_January_2008.pdf
[13] 126 – Josh Weier Interview Kiwi Talkz
https://www.listennotes.com/podcasts/kiwi-talkz/126-josh-weier-interview-hRrUGebZ1w9/
[14] The Cabal: Valve’s Design Process For Creating Half-Life Game Developer Magazine
Mirror: https://www.hl-inside.ru/magazines/gdm/GDM_1999-12/
[15] Handbook For New Employees Valve
[PDF] https://cdn.akamai.steamstatic.com/apps/valve/Valve_NewEmployeeHandbook.pdf
[16] The 100 greatest video games of all time… GQ
https://www.gq-magazine.co.uk/article/best-video-games-all-time
[17] The Final Hours Of Half-Life 2 Gamespot
https://www.gamespot.com/articles/the-final-hours-of-half-life-2/1100-6112889/
[18] Why Are Valve’s Games So Polished? IGN
https://www.ign.com/articles/2009/03/27/gdc-09-why-are-valves-games-so-polished
[19] Half-Life 2: Episode One Update Released Steam
https://store.steampowered.com/oldnews/681
[20] How fidgeting playtesters convinced Valve… PC Gamer
https://www.pcgamer.com/how-fidgeting-playtesters-convinced-valve-to-drastically-shorten-half-life-alyxs-intro/
[21] Christine Phelan – Creating a Nightmare… Konsoll 2021
https://www.youtube.com/watch?vWf92MhRZ4i8
[22] Integrating Narrative into Game Design… GDC 2008
https://www.youtube.com/watch?vc2YRVWZupwo
[23] RPS Interview: Portal’s Kim Swift… Rock Paper Shotgun
https://www.rockpapershotgun.com/rps-interview-portals-kim-swift-and-jeep-barnett
[24] Meet the minds behind Half-Life 2 PC Gamer
https://www.pcgamer.com/meet-the-minds-behind-half-life-2/
[25] The Final Hours of Portal 2 Steam
https://store.steampowered.com/app/104600/Portal_2__The_Final_Hours/
Chapters
00:00 – Intro
01:25 – Playtesting Portal
05:47 – Valve’s History
08:38 – Playtesting Tips
15:43 – Conclusion
Games Shown
Portal (2017)
Super Mario Odyssey (2017)
Far Cry 3 (2012)
Ratchet & Clank: Rift Apart (2021)
Portal 2 (2011)
Star Wars Jedi: Survivor (2023)
Narbacular Drop (2005)
Half-Life 2 (2004)
skate. (Unreleased)
Left 4 Dead (2008)
Half-Life 2: Episode One (2006)
Half-Life Alyx (2020)
God of War Ragnarök (2022)
Untitled Magnet Game (Unreleased)
Superliminal (2019)
Viewfinder (2023)
Credits
Music provided by Epidemic Sound – https://www.epidemicsound.com/referral/vtdu5y (Referral Link)
Narbacular Drop – Full Walkthrough COG in the Game
https://www.youtube.com/watch?vtZO3KvTcATo
Konsoll 2021: Christine Phelan – Creating a Nightmare in Half-Life: Alyx Konsoll
https://www.youtube.com/watch?vWf92MhRZ4i8
F-Stop (After-Image) – /”lab_intro_scripted2/” fstop
https://www.youtube.com/watch?v-Y3lFdqtO-Y
Portal 2: F-STOP PROJECT CAPTURE – Full Walkthrough Bolloxed
https://www.youtube.com/watch?vNM5oxIbL4ds
Exposure by LunchHouse Software LunchHouse Software
https://www.youtube.com/watch?vx9vUzt9xhnI
Mirror: https://www.playground.ru/portal/news/anons_exposure_serii_dokumentalok_ob_otmenyonnom_prikvele_portal-704827
Subtitles
Contribute translated subtitles – https://amara.org/videos/MyGYKu72hcPs/
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