Portal is a single-player first-person puzzle-platform sci-fi video game developed by Valve Corporation. The game was released in a bundle package called The Orange Box for Microsoft Windows and Xbox 360 on October 9, 2007, and for the PlayStation 3 on December 11, 2007. The Windows version of the game is also available for download separately through Valve's content delivery system Steam and was released as a standalone retail product on April 9, 2008. A stand-alone version called Portal: Still Alive was released on the Xbox Live Arcade service on October 22, 2008; this version includes an additional 14 puzzles. A Mac OS X version was released as part of the Mac-compatible Steam platform on May 12, 2010.
Minimum System Requirements
- Operating system : Windows 7, Windows Vista, Windows XP, Windows 2000
- CPU : Intel Pentium 4 1.7 GHz or AMD Athlon XP 1700+
- RAM : 512 MB RAM
- GPU : NVIDIA GeForce3 128 MB or ATi Radeon 8500 128 MB
- Network Internet Connection For Multiplayer
Via IDWS 774 MB