Portals complement main topics in Wikipedia, and expand upon topics by introducing the reader to key articles, images, and categories that further describe ...

Wikipedia:Portal · Portal:Genocide · Wikipedia:Contents/Reference · Philosophy

Portal is a 2007 puzzle-platform game developed and published by Valve. It was released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3 ...

Portal 2 · The Orange Box · Narbacular Drop · Kim Swift

A web portal is a specially designed website that brings information from diverse sources, like emails, online forums and search engines, together in a ...

A portal is an opening in the walls of a building, gate or fortification, and especially a grand entrance to an important structure.

Portal is a series of first-person puzzle-platform video games developed by Valve. Set in the Half-Life universe, the two main games in the series, ...

Portal Revolution · Bridge Constructor Portal · Potato Sack

Portals are meant primarily for readers, while encouraging them to become editors of Wikipedia by providing links to project spaces. Portals are created for ...

Portal often refers to: Portal (architecture), an opening in a wall of a building, gate or fortification, or the extremities (ends) of a tunnel.

Video game · Wikipedia:Contents/Port… · Portal (architecture) · Portal 2

GLaDOS is the central core designed to control, guide, and oversee the Aperture Enrichment Center. With the ability to shift and move facilities and various ...

Portal 2 · Story · Chell · GLaDOS