Portal 2 PS3

Released 21 April 2011

That earned the original Portal over 70 industry accolades ... single-player portion of Portal 2 introduces a cast ... thought they knew about portals. Success will require them ...
Half-Life 2: Portal PC

Released 24 April 2008

Mysterious Aperture Science Laboratories, Portal has earned over ... challenges by opening portals to maneuvering objects, and themselves ... build your own Portal puzzles Hours of single player ...
Portal 2 PC

Released 21 April 2011

That earned the original Portal over 70 industry accolades ... single-player portion of Portal 2 introduces a cast ... thought they knew about portals. Success will require them ...
Portal 2 360

Released 21 April 2011

That earned the original Portal over 70 industry accolades ... single-player portion of Portal 2 introduces a cast ... thought they knew about portals. Success will require them ...
Spectrobes: Beyond the Portals DS

Released 27 November 2008

Spectrobes: Beyond The Portals, players can take ...
Portal: Still Alive 360

Released 22 October 2008

World of Warcraft: The Burning Crusade box art
World of Warcraft: The Burning Crusade PC

Released 17 January 2007

Broken through the Dark Portal to investigate the realms ... wait beyond the Dark Portal? And what will they ... reachable through the Dark Portal Many new high-level ...
Half-Life 2: The Orange Box box art
Half-Life 2: The Orange Box PS3

Released 20 December 2007

City 17.   Portal -- a pioneering type of single ...
Half-Life 2: The Orange Box box art
Half-Life 2: The Orange Box 360

Released 26 October 2007

Outside of City 17. Portal -- a pioneering type ...
Left 4 Dead 2 box art
Left 4 Dead 2 PC

Released 20 November 2009

Makers of Half-Life, Portal, Team Fortress and Counter ...
Left 4 Dead 2 box art
Left 4 Dead 2 360

Released 20 November 2009

Makers of Half-Life, Portal, Team Fortress and Counter ...
Rogue Galaxy PS2

Released 21 September 2007

Pieces of the portal together that will allow them ...
F.E.A.R. 3 PC

Released 1 July 2011

Slow-mo modes, phasing portal systems and best ...
F.E.A.R. 3 PS3

Released 1 July 2011

Slow-mo modes, phasing portal systems and best ...
Resistance: Retribution box art
Resistance: Retribution PSP

Released 26 March 2009

Resistance franchise web portal ...
Aion box art
Aion PC

Released 22 September 2009

Acts as a portal between dimensions. When a great ...
Half-Life 2: The Orange Box box art
Half-Life 2: The Orange Box PC

Released 26 October 2007

Outside of City 17. Portal -- a pioneering type ...
F.E.A.R. 3 360

Released 1 July 2011

Slow-mo modes, phasing portal systems and best ...
Grim Fandango PC
Marrow, the the mountaintop portal to the Ninth Underworld ...
Super Meat Boy Ultra Edition Game box art
Super Meat Boy Ultra Edition Game PC

Released 15 September 2011

Zones, accessed by finding portals in specific levels. These ...