Friday, April 22, 2011

Portal 2


portal 2
Portal 2 is a first-person puzzle-platform video game developed by Valve Corporation. It is the sequel to the critically-acclaimed 2007 video game Portal and was announced on March 5, 2010, following a week-long alternate reality game based on new patches to the original game. Though initially slated for release in the last quarter of 2010, the game was postponed to the week of April 18, 2011. The game was released by Valve through Steam for Microsoft Windows and Mac OS X, while the PlayStation 3, Xbox 360 and retail Windows/OS X versions of the game are distributed by Electronic Arts. The game's release on Steam was preceded by a second multi-week alternate reality game involving 13 independently-developed titles, culminating in a distributed computing spoof to release Portal 2 several hours early.

Portal 2 comprises a series of puzzles that must be solved by teleporting the player's character and simple objects using the "portal gun", a device that can create inter-spatial portals between flat planes. Travelling through portals maintains an object's speed, thus several puzzles require "flinging" the player-character or objects out one portal by gaining speed, such as by falling, before entering the other one. Other gameplay elements were added to Portal 2, including tractor beams, laser redirection, and special paint-like gels, taken from the Independent Games Festival-winning DigiPen student project Tag: The Power of Paint, that imparts special properties to objects it touches, such as increased momentum.


  • Extensive single player: Featuring next generation gameplay and a wildly-engrossing story.
  • Complete two-person co-op: Multiplayer game featuring its own dedicated story, characters, and gameplay.
  • Advanced physics: Allows for the creation of a whole new range of interesting challenges, producing a much larger but not harder game.
  • Massive sequel: The original Portal was named 2007's Game of the Year by over 30 publications worldwide.
  • The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers.



portal 2
Like the original game, Portal 2 is a first-person Platform-Puzzle game. In the single player campaign players assume the role of Chell, a former test subject trying to gain her freedom from the Aperture Science facility and GLaDOS, the AI controller of the facility. Set in the test chambers of the facility your goal is to make your way through the game levels using your portal gun (the Aperture Science Hand-held Portal Device). The portal gun creates temporary passages through solid surfaces, allowing for creative platforming and multiple possible means of clearing a level. The game also requires the player to solve puzzles at times to clear sections of levels. In addition to point-to-point movement through portals, players can also utilize other means of movement of themselves and various objects. These include: using the momentum of portal movement to make jumps to open positions like ledges; tractor beams; and special propulsion/repulsion gels that can be carried or stored.
portal 2


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