Portal

Portal is the original game of the series. It is a single-player puzzle-based video game developed by Valve and released as part of The Orange Box on October 9, 2007 for Microsoft Windows and Xbox 360; the PlayStation 3 version released at the later date of December 11, 2007. Portal was also re-released as part of the launch of Mac OS X support for Steam on May 12, 2010; to celebrate it was given away for free until May 24, 2010 to Steam users on a promotional page on the Steam website.

Portal

Basic Information

Developer:	Valve
Publisher:	Valve Corporation Microsoft Game Studios (XBLA)
Distributor:	Electronic Arts (retail) Steam (online)
Engine:	Source Engine
Released:	Microsoft Windows and Xbox 360 (The Orange Box retail) North America: October 10, 2007 Europe: October 18, 2007 Australia: October 18, 2007 Microsoft Windows: Steam October 9, 2007 PlayStation 3: NA December 11, 2007 EU December 14, 2007 AUS December 20, 2007 Microsoft Windows: (retail stand-alone): NA April 9, 2008 Rest of World April 11, 2008 Xbox Live Arcade: October 22, 2008 Mac OS X: May 12, 2010
Modes:	Singleplayer
Genre:	First-person puzzle/platformer
Ratings:	ESRB: T OFLC: M PEGI: 12 USK: 12
Requirements:	Windows Windows 7, Windows Vista, Windows XP, Windows 2000 CPU: 1.7 GHz (3.0 GHz recommended) Memory: 512 MB (1 GB recommended) Graphics hardware: DirectX 8 video card (Direct X 9 video card recommended) Network: Internet Connection Mac Operating system: Leopard 10.5.8, Snow Leopard 10.6.3 Memory: 1 GB Graphics hardware: NVIDIA GeForce 8 / ATI X1600 or higher Network: Internet Connection

Update history

Main article: Patches

Soundtrack

Main article: Portal Soundtrack

See also

• Portal: Still Alive – an exclusive Xbox Live Arcade version of the game containing the original content as Portal, as well as 14 new test chambers based upon Portal: The Flash Verison, and new achievements.
• Portal 2 – the sequel to the original game, released in April 2011.
• List of default keys