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Killzone 2 is a first-person shooter for the PlayStation 3 , developed by Guerrilla Games and published by Sony Computer Entertainment . It is the third installment in the Killzone series that began on the PlayStation 2 with Killzone and continued on the PlayStation Portable with Killzone: Liberation . The game was first announced at E3 2005 , with a tech demo on display, while the first gameplay footage was shown two years later at E3 2007 . [ 2 ] Killzone 2 was released worldwide late February 2009 , and was followed by Killzone 3 in February 2011.
is a 2011 first-person shooter for the PlayStation 3 , developed by Guerrilla Games and published by Sony Computer Entertainment . It is the fourth installment in the series, the first game in the series to be presented in 3D and the first to include motion controls using the PlayStation Move . It was released worldwide in February 2011. [ 1 ] [ 2 ] [ edit ] Overview Visari, the leader of the Helghast is gone, but the war is far from over.
Portal is a 2007 first-person puzzle-platform 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 [ 5 ] [ 6 ] and for the PlayStation 3 on December 11, 2007. [ 7 ] The Windows version of the game is available for download separately through Valve's content delivery system Steam [ 1 ] and was released as a standalone retail product on April 9, 2008. [ 4 ] A standalone 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. [ 8 ] The game primarily comprises a series of puzzles that must be solved by teleporting the player's character and simple objects using "the Aperture Science Handheld Portal Device", a device that can create inter-spatial portals between two flat planes.
Portal 2 is a first-person puzzle-platform video game developed and published by Valve Corporation . It is the sequel to Portal (2007) and was released on April 19, 2011 for Microsoft Windows , Mac OS X , PlayStation 3 , and Xbox 360 . The retail versions of the game are distributed by Electronic Arts , while digital distribution of the Windows and OS X versions is handled by Valve's content delivery service, Steam . Portal 2 was announced on March 5, 2010, following a week-long alternate reality game based on new patches to the original game.