Time portals can be represented as vortices of energy, which allow matter to travel from one point in time to another by passing through the portal,...

series Portal 2, the 2011 sequel Portal Stories: Mel, a mod for Portal 2 Portal Revolution, a mod for Portal 2 Portal Reloaded, a mod for Portal 2 Aperture...

Marshal of the Royal Air Force Charles Frederick Algernon Portal, 1st Viscount Portal of Hungerford, KG, GCB, OM, DSO & Bar, MC, DL (21 May 1893 – 22...

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...

the player to shoot a third "time portal", allowing traversal across two versions of the puzzle chamber in different time periods. The player assumes control...

Beastmaster 2: Through the Portal of Time is the 1991 sequel to the 1982 film The Beastmaster. Marc Singer reprises his role as Dar, a barbarian from another...

second Half-Life games, while most of Portal 2 is set "a long time after" the events in Portal. Before Portal, Aperture Science conducted experiments...

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...

pulls his great‑great‑grandfather, Leopold (Hugh Jackman), through a time portal from 19th‑century New York to the present, where Leopold and Stuart's...

The New York–Dublin Portal (also simply known as The Portal) was an interactive installation created by Lithuanian artist Benediktas Gylys to allow people...