This article is about a 2007 computer game. For the 1986 computer game, see Portal (interactive novel).

Portal is an upcoming single-player puzzle game by Valve Corporation, shipping with Half-Life 2: Episode Two, which is due to be released in the Fall of 2007. Image File history File links No higher resolution available. ... Namcos Pac-Man was a hit, and became a universal phenomenon. ... Portal was a mix between a game and an interactive novel. ... Image File history File links Download high resolution version (817x285, 37 KB) Summary The logo for Valves game, Portal. ... A video game developer is a software developer (a business or an individual) that creates video games. ... Valve Corporation is an American video game developer based in Bellevue, Washington, USA, made famous by its first product, Half-Life, which was released in November 1998. ... This article or section does not cite its references or sources. ... Valve Corporation is an American video game developer based in Bellevue, Washington, USA, made famous by its first product, Half-Life, which was released in November 1998. ... A game engine is the core software component of a computer or video game or other interactive application with real-time graphics. ... Source engine logo A Half-Life 2: Episode One scene running on the Source engine, demonstrating High Dynamic Range, Rim lighting, Phong shading, facial expressions, realtime cameras and VGUI. In-engine Team Fortress 2 character line-up, demonstrating a cartoon-oriented set of basic shaders, depth of field, facial animation... 2007 2007 in games 2006 in video gaming 2008 in video gaming Notable events of 2007 in video gaming. ... Team Fortress 2 (TF2) is the long-anticipated sequel to the original Team Fortress mod for Quake being developed by Valve Corporation. ... Video games are generally categorized into genres. ... A puzzle is a problem or enigma presented as entertainment; that is written down, acted out, etc. ... Doom is considered a landmark in the first-person shooter genre. ... In computer games and video games, single-player refers to the variant of a particular game where input from only one player is expected throughout the course of the gaming session. ... Entertainment Software Rating Board logo The Entertainment Software Rating Board (ESRB) is a self-regulatory organization that applies and enforces ratings, advertising guidelines, and online privacy principles for computer and video games and other entertainment software in the United States and Canada (officially adopted by individual provinces 2004-2005). ... The Altair 8800 was among the first microcomputers to be affordable by an individual, although it initially lacked peripherals and memory. ... The Xbox 360 is the successor to Microsofts Xbox video game console, developed in cooperation with IBM, ATI, Samsung and SiS. Information on the console first came through viral marketing campaigns and it was officially unveiled on MTV on May 12, 2005, with detailed launch and game information divulged... PlayStation 3 , trademarked PLAYSTATION®3,[7] commonly abbreviated PS3) is Sony Computer Entertainments third video game console. ... DVD (also known as Digital Versatile Disc or, incorrectly, Digital Video Disc) is an optical disc storage media format that can be used for data storage, including movies with high video and sound quality. ... Steam is a content delivery, digital rights management, multiplayer and communications service and platform developed by Valve Corporation for digital entertainment. ... Valve Corporation is an American video game developer based in Bellevue, Washington, USA, made famous by its first product, Half-Life, which was released in November 1998. ... 2007 2007 in games 2006 in video gaming 2008 in video gaming Notable events of 2007 in video gaming. ...

Gameplay

Gameplay revolves around the "Aperture Science Handheld Portal Device" (ASHPD), a handheld device that can create portals on flat planes, allowing instant travel and a visual and physical connection between any two different locations in 3D space. Portals are restricted to planar surfaces, but if two linked portals are on different planes, bizarre twists in geometry and gravity can occur, such as the player walking through a portal on the wall and "falling" up out of the floor several feet behind where he started. Only two portals may be open at a time. If a new portal is created, it replaces the previous portal of the same color. The device also acts as a less powerful version of Half-Life 2's gravity gun, which can grab and hold objects, though it is not able to 'punt' objects as the Gravity Gun can.^[2] The space we live in is three-dimensional space. ... Half-Life 2 (HL2) is a science fiction first-person shooter computer game that is the sequel to Half-Life. ...

In their initial preview of Portal, GameSpot gave an example of a gameplay scenario: GameSpot is a video gaming website that provides news, reviews, previews, downloads, and other information. ...

Story

A character carrying the ASHPD, seeing himself through the portal chain.

In Portal, players control a test participant in the Aperture Science Enrichment Center. Using the "Aperture Science Handheld Portal Device", players perform a variety of tests, such as creating portals to knock over turrets and other objects or moving to a previously unreachable area. Guided by an electronic female voice that is at once both comical and subtly threatening, players must either complete these objectives or fail the test. Failure or refusal of a test likely results in death, although it may not be permanent. At the end of the video the computerized voice ominously says "As part of a previously-mentioned required test protocol, we can no longer lie to you. When the testing is over, you will be... missed"; in another, more recent video, the voice tells you that "you will be baked, and then there will be cake", perhaps alluding to the flame-filled areas seen in the original trailer. The Leipzig video, however, states that "an intubation associate will be dispatched to revive you with peptic salve and adrenaline" in case of consciousness loss, hinting that some care is taken to keep the test subject alive at least until the tests are over. Image File history File links Circle-question. ... Image File history File links Size of this preview: 800 × 433 pixel Image in higher resolution (840 × 455 pixel, file size: 416 KB, MIME type: image/png) The GDC 07 developer walkthrough video This is a screenshot of a copyrighted computer game or video game, and the copyright for it... Image File history File links Size of this preview: 800 × 433 pixel Image in higher resolution (840 × 455 pixel, file size: 416 KB, MIME type: image/png) The GDC 07 developer walkthrough video This is a screenshot of a copyrighted computer game or video game, and the copyright for it... This article or section does not adequately cite its references or sources. ... Epinephrine (INN) or adrenaline (BAN) is a hormone and a neurotransmitter. ...

Portal has been confirmed to be set in the Half-Life universe.^[3] Certain aspects similar to the Half-Life universe can be noted in the official trailer, such as the turrets, which operate and sound similar to those that the Combine implement, though this may only be due to the use of sounds from Half-Life 2 as placeholders. Also, orbs like those that the Combine use in the Citadel are seen, with sockets similar to those seen in Half-Life 2: Episode One, again, potentially placeholders or possibly intentional (Unlike the orbs in Half-Life 2, the orbs in Portal will instantly kill the player if they get too close to them or attempt to grab them with the ASHPD). The Portal Gun functions much like a Zero Point Energy Field Manipulator, with the added ability of creating portals - like the "Gravity Gun", it can pull and hold inanimate objects. Half-Life For a quantity subject to exponential decay, the half-life is the time required for the quantity to fall to half of its initial value. ... This is a list of combat technology employed by the Combine empire in Half-Life 2, a 2004 first-person shooter. ... The Combine is a fictional powerful alien race and empire from Valve Corporations 2004 first-person shooter computer game Half-Life 2. ... Half-Life 2 is a science fiction first-person shooter computer game and the sequel to Half-Life, developed by Valve Corporation. ...

According to Doug Lombardi, the protagonist in Portal is a yet-unintroduced character who will play a role in future games of Half-Life. Though Lombardi has hinted that this character might make an appearance in Half-Life 2: Episode Three, this is not a certainty. It was later suggested in an interview article from 1up.com with Portal level designer Kim Swift that the jump-suited male character from the preview video is a placeholder character;^[4] the walkthrough videos from the 2007 Game Developers Convention also describe the jump-suited male as "not the final character." Assuming that it is correct, it could be hypothesized that since the trailer is in the form of a training video, the jump-suited male is intended to represent a demonstration of the portal technology, recording a video that is being viewed by test subjects as they are indoctrinated into the program(It could also be that the jump-suited male is being used in the place of the female protagonist so as to keep her identity secret until the release of the game). It was recently confirmed in a GameInformer article that the protagonist would indeed be a woman.

Information about what the Aperture Science Center is will not be revealed in Portal, but will rather be explained in Half-Life 2: Episode Two. However, the background of the female protagonist and her reason for being at the Aperture Laboratories will be explained during the game.

A dark undertone is revealed in the ApertureScience.com site (see below) in that the application questionnaire (accessed when the user types APPLY at the B prompt after logging in with the password PORTAL) asks such questions as how much the applicant can withstand pain before passing out, how they'd react to torture, if they felt anyone was watching them, how long they could stay awake, etc. There is a total of 54 pages in the questionnaire. The questionnaire ends chillingly with the user being told to wait at their workstation to be investigated by a superior. During the questionnaire, in some questions, the user can see letters dimming and (on one page) even see an ASCII art of a cake flash for a brief moment. By taking all the dimming letters in the questionnaire and arranging them in the order of appearance, it spells out THECAKEISALIE. Typing that at anytime after login reveals a hidden message from a distraught employee and a security camera video, hinting that Aperture is not all it seems to be, with the final line, "I don't think going home is a part of our job description anymore", before telling the user to press return if a supervisor passes by (which brings up a fake spreadsheet software image. The spreadsheet listing a curious item, INTUB-XLG, of which one was ordered, costing $974,999.99. The only other things on the spreadsheet are 50 units of flour and 75 units of thumbtacks.) There is also an option to try to INTERROGATE an employee, but are rebuffed as not having clearance with an error message stating: "Illegal attempt to initiate disciplinary action". Sun SPARCstation 1+, 25mhz RISC processor from early 1990s A workstation, such as a Unix workstation, RISC workstation or engineering workstation, is a high-end desktop or deskside microcomputer designed for technical applications. ... Screenshot of a spreadsheet made with OpenOffice. ...

Trailer

The trailer takes the form of an introduction video produced by Aperture Laboratories[1] - although in the first video released the name was spelt Labratories[sic] - and given to all test participants, presumably viewed by the player. The video begins by introducing a "simple task": crossing a chasm to reach an exit. First, a computer-animated figure demonstrates how this can be accomplished: by shooting a portal onto the wall near the exit, then shooting another portal on the wall near the figure. The figure proceeds through the portals and exits successfully. The next scene yields a "real world example" (taking place in the Aperture Science Enrichment Center), where the chasm is now filled with fire and the player is threatened by a metal press. The player shoots a portal onto the far wall across the chasm, followed by another onto a nearby wall, and runs through. Notably, while the computer-animated demonstration indicates that the entry portal should be shot before the exit portal, the real world example demonstrates that the order in which the portals are shot does not matter. This article or section needs additional references or sources to improve its verifiability. ...

Figure demonstrating the use of "vertical momentum" to jump to tall ledges

The video continues by demonstrating the method to move otherwise immovable objects: by shooting a portal onto a wall, and then shooting another portal beneath the object. This will cause the object to fall through the portals and on to the ground under the first portal. Another real world example is shown. The player encounters a turret with a heavy cube nearby; the player, under fire from the turret, proceeds to shoot a portal onto the wall above the turret and another below the cube. The cube falls through the portals and successfully knocks over the turret. Image File history File links Size of this preview: 800 × 450 pixelsFull resolution (1280 × 720 pixel, file size: 142 KB, MIME type: image/png) This screenshot was taken using Topaz Moment from the Portal Trailer which is distributed via Steam. ... Image File history File links Size of this preview: 800 × 450 pixelsFull resolution (1280 × 720 pixel, file size: 142 KB, MIME type: image/png) This screenshot was taken using Topaz Moment from the Portal Trailer which is distributed via Steam. ...

Player falling through an infinite portal system

The next few scenes all show the figure performing various tasks, including jumping over tall obstacles through first "building vertical momentum" by jumping into a portal located below the current level, looking through a set of lined-up portals to create an infinitely recursive view, walking through portals to fall on moving platforms, falling through an infinite portal system, and jumping off of high ledges. This is followed by a few real world feats, demonstrating the use of the ASHPD as a weak Gravity Gun, other complex variants of using cubes and portals to defeat turrets, and a portal-turret system set up so that it shoots itself, and concludes with the player watching himself fall through an infinite portal system. Image File history File links Download high-resolution version (2560x1440, 288 KB) This screenshot was taken using Topaz Moment from the Portal Trailer which is distributed via Steam. ... Image File history File links Download high-resolution version (2560x1440, 288 KB) This screenshot was taken using Topaz Moment from the Portal Trailer which is distributed via Steam. ...

History

Portal is Valve's professionally-developed semi-sequel to the freeware Narbacular Drop, the 2005 independent game released by students of the DigiPen Institute of Technology; the original Drop team are now all employed at Valve.^[5] Certain elements, like the orange/blue system of identifying the two different portals a player can have open at a time (one connecting to the other), seem to have been retained. Narbacular Drop is an environmental puzzle video game developed by Nuclear Monkey Software. ... DigiPen Institute of Technology is a college located in Redmond, Washington which has a focus on art, computer science, and computer engineering with emphasis in creating video games. ...

In recent interviews, Gabe Newell also revealed that Erik Wolpaw and Chet Faliszek of the classic gaming commentary/comedy website Old Man Murray had been hired and put to work on the dialogue for Portal, which so far seems chiefly composed of the lines read by the female "narrator." Old Man Murray (aka OMM) was a popular computer game news and review site, well-known for its highly irreverent commentary and administered by Chet Faliszek and Erik Wolpaw. ...

Video quotes

The female narrator in the portal video says some rather unusual things during the course of several videos released periodically:

Trailer

• "Welcome to the Aperture Science Enrichment Center. Let's look at some of the challenges you'll face as a test participant."
• "You may be required to perform simple tasks, such as locating an exit. These simple tasks may be supplemented with insurmountable obstacles."
• "Thanks to the Aperture Science Handheld Portal Device, the impossible is easy."
• "If at first you don't succeed, you fail, and the test will be terminated."
• "When stuck, remember our motto: there's a hole in the sky- through which things can fly."
• "At the enrichment center, we believe that a highly motivated test subject can carry out rather complex tasks, while enduring the most intense pain. So in case you don't make it through the testing, goodbye!"
• "This next task is impossible."
• "Now you're thinking with portals."

1st set of Gameplay Videos

• "Now that you are in control of both portals, this next test could take a very, very long time. If you become light-headed from thirst, feel free to pass out. An intubation associate will be dispatched to revive you with peptic salve and adrenaline."
• "As part of a previously-mentioned required test protocol, we can no longer lie to you. When the testing is over, you will be... missed!"

This article or section does not adequately cite its references or sources. ... Peptic is an adjective that refers to any part of the body that normally has an acidic lumen. ... Look up Salve in Wiktionary, the free dictionary Salve is a medical ointment used to soothe the eyes or other body surface. ... Epinephrine (INN) or adrenaline (BAN) is a hormone and a neurotransmitter. ...

2nd set of Gameplay Videos

• "While safety is one of many Enrichment Center goals, the Aperture Science High Energy Pellet seen to the left of the chamber can and has caused permanent disabilities such as vaporisation. Please be careful."
• "Unbelievable. You, [subject name here] must be the pride of [subject hometown here]."
• "Warning devices are required on all mobile equipment. However, alarms and flashing hazard lights have been found to agitate the High Energy Pellet, and have therefore been disabled for your safety."
• "The experiment is nearing its conclusion. The enrichment centre is required to remind you that you will be baked, and then there will be cake."

3rd set of Gameplay Videos

• "Hello again. To reiterate [static] previous [voice speeds up and slows down] of momentum."
• "Spectacular! You appear to understand how a portal affects forward momentum or to be more precise how it does not."
• "Momentum, a function of mass and velocity, is conserved between portals. In layman's terms, speeding thing goes in, speedy thing comes out."
• "It would be [static] fling yourself. When flinging to s--" [static] [voice cuts off]
• [sound of the female narrator making a buzzing sound with a A♭3 fundamental for a short while] [lights go off then back on]

Website

The website, Aperture Science, is run by Valve and presents a Flash-based green monochrome computer terminal that visitors can interact with.^[6] To "login" to the terminal one must enter login, logon, user or help, followed by any username and the password portal or portals. At this point several commands prompt results, such as thecakeisalie, dir, lib, ls, apply, logoff, and valve. Entering apply will take you to the questionnaire, while entering valve will take the user to the Steam website.^[7] (Action Script Source Code of the Site) Look up flash in Wiktionary, the free dictionary. ... Green screen driven by a Monochrome Display Adapter The Monochrome Display Adapter (MDA, also MDA card, Monochrome Display and Printer Adapter, MDPA) introduced in 1981 was IBMs standard video display card and computer display standard for the PC. The MDA did not have any graphics mode of any kind... A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system. ... Steam is a content delivery, digital rights management, multiplayer and communications service and platform developed by Valve Corporation for digital entertainment. ...

See also

• Half-Life 2: Episode Two
• Narbacular Drop

Image File history File links Nuvola_apps_package_games. ... Narbacular Drop is an environmental puzzle video game developed by Nuclear Monkey Software. ...

References

Eurogamer homepage Eurogamer is a Brighton-based website focused on video games news and reviews. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the CE era. ... May 16 is the 136th day of the year (137th in leap years) in the Gregorian calendar. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the CE era. ... May 20 is the 140th day of the year (141st in leap years) in the Gregorian calendar. ... For the Manfred Mann album, see 2006 (album). ... July 27 is the 208th day (209th in leap years) of the year in the Gregorian calendar, with 157 days remaining. ... IGN is a multimedia news and reviews website that focuses heavily on video games. ... For the Manfred Mann album, see 2006 (album). ... October 31 is the 304th day of the year (305th in leap years) in the Gregorian calendar, with 61 days remaining. ...

External links

Official

• Official homepage
• ApertureScience.com (Viral advertising, Alternate reality game)

Press

• Gamespot initial preview
• IGN's interview with Portal team member Kim Swift

Community

• Half-Life 2 Portal mod: Exite
• Impossible Is Easy A Portal Fansite

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