Forget Portal 3! Why We Don't Even Need It (But Think Valve is Crazy Anyway) - YouTube
Portal 3: If Valve does not seem to have decided, "it is urgent to do so" according to the screenwriter of the old games - newmasa
Surprise! Valve is releasing a new game set in the Portal universe | PC Gamer
Portal 3 confirmed : r/valve
Portal Writer Wants Valve to Make Portal 3 | Game Live Story
Portal writer would like to make Portal 3 now, please
Valve releases new, free 'Portal' game that 'isn't Portal 3' - Entertainment
Will Valve Ever Make Portal 3? - YouTube
Portal 3 | Video Game Fanon Wiki | Fandom
ポータル』のシナリオライターが『Portal 3』に取り組みたい意欲を示すも見通しは経っていないと心情を発露
Half-Life and Portal series writer wants Valve to start making Portal 3 | KitGuru
Valve Will Reportedly Reveal PORTAL 3 At Tomorrow's Game Awards 2018
The author of the portal addresses Valve: "We have to launch Portal 3" - Esports chimp
ポータル』のシナリオライターが『Portal 3』に取り組みたい意欲を示すも見通しは経っていないと心情を発露
Portal writer urges Valve to 'start Portal 3' | PC Gamer
Portal on Steam
The author of the Portal urges Valve to'start Portal 3' - Game News 24
Portal 3, an appeal arrives at Valve: "I'm getting old!" - GAMINGDEPUTY
Valve Mentions Portal 3 In Their New Game - Aperture Desk Job : r/Steam
Portal Writer Can't Wait For Valve To Make Portal 3 - Bullfrag
Portal 3: If Valve does not seem to have decided, "it is urgent to do so" according to the screenwriter of the old games - TheGameLocus
Portal 3, the writer's appeal: 'Valve, let's develop it before it's too late!' - Aroged
Portal Writer Urges Valve to Make Portal 3
Portal 3, the editors appeal: Valve, lets develop it before its too late! - Game News 24
Valve's new game is free, and “not Portal 3” | PCGamesN
Valve needs to make Portal 3 soon, writer says | Eurogamer.net
