EntityQ7231475· pop 8· linked from 244 articlesPortalSign in to savevideo game series by Valve CorporationConnectionsNvidiaOrganizationblack comedyEntityJ. K. SimmonsEntityPortalEntityPortal 2Entityplatform gameEntityPortal Stories: MelEntityAperture TagEntityYouTubeConceptArtificial intelligenceConceptLinuxEntityMicrosoft WindowsEntityAndroidEntityMinecraftWorkInternational Space StationConceptschizophreniaEntityThe GuardianEntitymacOSEntitydigital object identifierEntitymomentumEntityCategoriesFiction with unreliable narratorsPortal (series)Puzzle-platformersSatirical video gamesScience fiction video gamesVideo game franchisesVideo game franchises introduced in 2007Video games adapted into comics