Video game,

Computer and video games" redirects here. For the magazine, see Computer and Video Games. For PC games specifically, seepersonal computer game. For Console games specifically, see console game.

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A video game is an electronic game that involves interaction with a user interface to generate visual feedback on a video device. The word video in video game traditionally referred to a rasterdisplay device,^[1] but following popularization of the term "video game", it now implies any type ofdisplay device. The electronic systems used to play video games are known as platforms; examples of these are personal computers and video game consoles. These platforms range from large mainframe computers to small handheld devices. Specialized video games such as arcade games, while previously common, have gradually declined in use.

The input device used to manipulate video games is called a game controller, and varies across platforms. For example, a controller might consist of only a button and a joystick, while another may feature a dozen buttons and one or more joysticks. Early personal computer games often needed a keyboard for gameplay, or more commonly, required the user to buy a separate joystick with at least one button.^[2] Many modern computer games allow or require the player to use a keyboard and a mouse simultaneously.

Video games typically use additional means of providing interactivity and information to the player. Audio is almost universal, using sound reproduction devices, such as speakers and headphones. Other feedback may come via haptic peripherals, such as vibration or force feedback, with vibration sometimes used to simulate force feedback.

Contents [hide] 1 History 2 Overview 2.1 Platforms 2.2 Genres 2.3 Classifications 2.3.1 Core games 2.3.2 Casual games 2.3.3 Serious games 2.4 Educational games 3 Development 3.1 Downloadable Content 3.2 Modifications 3.3 Cheating 3.4 Glitches 4 Theory 5 Social aspects 5.1 Demographics 5.2 Multiplayer 5.3 Benefits 5.4 Controversy 6 Commercial aspects 6.1 Game sales 6.2 Criticism 7 Video game museums 8 See also 9 Notes 10 References 11 External links

History

Main article: History of video games

See also: First video game

Tennis for Two, an early analog computer game that used an oscilloscopefor a display

Early games used interactive electronic devices with various display formats. The earliest example is from 1947—a "Cathode ray tube Amusement Device" was filed for a patent on January 25, 1947, by Thomas T. Goldsmith Jr. and Estle Ray Mann, and issued on December 14, 1948, as U.S. Patent 2455992.^[3]

Inspired by radar display tech, it consisted of an analog device that allowed a user to control a vector-drawn dot on the screen to simulate a missile being fired at targets, which were drawings fixed to the screen.^[4]

Other early examples include:

• The NIMROD computer at the 1951 Festival of Britain
• OXO a tic-tac-toe Computer game by Alexander S. Douglas for the EDSAC in 1952
• Tennis for Two, an interactive game engineered by William Higinbotham in 1958
• Spacewar!, written by MIT students Martin Graetz, Steve Russell, and Wayne Wiitanen's on a DEC PDP-1 computer in 1961.

Each game used different means of display: NIMROD used a panel of lights to play the game of Nim,^[5] OXO used a graphical display to play tic-tac-toe ^[6] Tennis for Two used an oscilloscope to display a side view of a tennis court,^[4] and Spacewar! used the DEC PDP-1's vector display to have two spaceships battle each other.^[7]

In 1971, Computer Space, created by Nolan Bushnell and Ted Dabney, was the first commercially sold, coin-operated video game. It used a black-and-white television for its display, and the computer system was made of 74 series TTL chips.^[8] The game was featured in the 1973 science fiction film Soylent Green. Computer Space was followed in 1972 by the Magnavox Odyssey, the first home console. Modeled after a late 1960s prototype console developed by Ralph H. Baer called the "Brown Box", it also used a standard television.^[4][9] These were followed by two versions of Atari's Pong; an arcade version in 1972 and a home version in 1975.^[10] The commercial success of Pong led numerous other companies to develop Pong clones and their own systems, spawning the video game industry.^[11]

Overview

Platforms

See also: History of video games

The term "platform" refers to the specific combination of electronic or computer hardware which, in conjunction with low-level software, allows a video game to operate.^[12] The term "system" is also commonly used. As well, newer video game platforms are also known as next "gen" consoles.

In common use a "PC game" refers to a form of media that involves a player interacting with a personal computer connected to a high-resolution video monitor. A "console game" is played on a specialized electronic device that connects to a common television set orcomposite video monitor. A "handheld" gaming device is a self contained electronic device that is portable and can be held in a user's hands. "Arcade game" generally refers to a game played on an even more specialized type of electronic device that is typically designed to play only one game and is encased in a special cabinet. These distinctions are not always clear and there may be games that bridge one or more platforms. There are also devices with screens which have the ability to play games but are not dedicated video game machines (examples are mobile phones, PDAs and graphing calculators).

Genres

Main article: Video game genres

A video game, like most other forms of media, may be categorized into genres based on many factors such as method of game play, types of goals, art style and more. Because genres are dependent on content for definition, genres have changed and evolved as newer styles of video games have come into existence. Ever advancing technology and production values related to video game development have fostered more life-like and complex games which have in turn introduced or enhanced genre possibilities (e.g., virtual pets), pushed the boundaries of existing video gaming or in some cases add new possibilities in play (such as that seen with titles specifically designed for devices like Sony's EyeToy). Some genres represent combinations of others, such as massively multiplayer online role-playing games, or, more commonly, MMORPGs. It is also common to see higher level genre terms that are collective in nature across all other genres such as with action, music/rhythm or horror-themed video games.

Classifications

Core games

In general, discussion about video gaming in both the press and politics revolves around titles found in the core games classification; historically, consisting of video games developed for play on personal computers, dedicated video game consoles or handheld game consoles.

Core games are generally defined by their intensity, depth of play or scale of production involved in their creation and can include games across a wide spectrum of genres. For example the Bit.Trip series for WiiWare, the Fallout series for PC and console or LittleBigPlanetfor the PS3, all fall within the core games classification. Core games are sometimes considered demanding in their gameplay and typically do not appeal to the casual gamer.

Casual games

Main article: Casual game

Casual games derive their name from their ease of accessibility, simple to understand gameplay and quick to grasp rule sets. Additionally, casual games frequently support the ability to jump in and out of play on demand. Casual games as a format existed long before the term was coined and include video games such as Solitaire or Minesweeper which can commonly be found pre-installed with many versions of the Microsoft Windows operating system.

Examples of genres within this category are hidden object, match three, time management, tetris or many of the tower defense style games. Casual games are generally sold through online retailers such as PopCap, Zylom and GameHouse or provided for free play through web portals such as Newgrounds or AddictingGames.

While casual games are most commonly played on personal computers, cellphones or PDAs, they can also be found on many of the on-line console system download services (e.g., Xbox Live, PlayStation Network, or WiiWare).

Serious games

Main article: Serious game

Serious games are games that are designed primarily to convey information or a learning experience of some sort to the player. Some serious games may even fail to qualify as a video game in the traditional sense of the term. Also, educational software does not typically fall under this category (e.g., touch typing tutors, language learning, etc.) and the primary distinction would appear to be based on the title's primary goal as well as target age demographics. As with the other categories, this description is more of a guideline than a rule.

Serious games are games generally made for reasons beyond simple entertainment and as with the core and casual games may include works from any given genre, although some such as exergames, educational games, or propaganda games may have a higher representation in this group due to their subject matter. These games are typically designed to be played by professionals as part of a specific job or for skill set improvement. They can also be created to convey social-political awareness on a specific subject.

One of the longest running serious games franchises would be Microsoft Flight Simulator first published in 1982 under that name. The United States military uses virtual reality based simulations for training exercises,^[13] as do a growing number of first responder roles (e.g., police, fire fighter, EMT).^[14] One example of a non-game environment utilized as a platform for serious game development would be the virtual world of Second Life, which is currently used by several United States governmental departments (e.g., NOAA, NASA,JPL), Universities (e.g., Ohio University, MIT) for educational and remote learning programs^[15] and businesses (e.g., IBM, Cisco Systems) for meetings and training.^[16]

Tactical media in video games plays a crucial role in making a statement or conveying a message on important relevant issues. This form of media allows for a broader audience to be able to receive and gain access to certain information that otherwise may not have reached such people. An example of tactical media in video games would be newsgames. These are short games related to contemporary events designed to illustrate a point.^[17] For example, TAKE ACTION games is a game studio collective that was co-founded by Susana Ruiz and has made very successful and powerful serious games. Some of these games include Darfur is Dying,Finding Zoe, and In The Balance. All of these games bring awareness to important issues and events in an intelligent and well thought out manner.^[18]

Educational games

See also: Educational software

On September 23, 2009, U.S. President Barack Obama launched a campaign called "Educate to Innovate" aimed at improving the technological, mathematical, scientific and engineering abilities of American students. This campaign states that it plans to harness the power of interactive games to help achieve the goal of students excelling in these departments.^[19][20] This campaign has stemmed into many new and exciting opportunities for the video game realm and has contributed to many new competitions. Some of these competitions include the STEM NATIONAL VIDEO GAME COMPETITION and the Imagine Cup.^[21][22] Both of these examples are events that bring a focus to relevant and important current issues that are able to be addressed in the sense of video games to educate and spread knowledge in a new form of media. www.NobelPrize.org uses games to entice the user to learn about information pertaining to the Nobel prize achievements while engaging in a fun to play video game.^[23] There are many different types and styles of educational games all the way from counting to spelling to games for kids and games for adults. Some other games do not have any particular targeted audience in mind and intended to simply educate or inform whoever views or plays the game.

Development

Main article: Game development

See also: Video game industry practices

Developers use various tools to create video games, here an editor to fine tune thevirtual camera system.

Video game development and authorship, much like any other form of entertainment, is frequently a cross-disciplinary field. Video game developers, as employees within this industry are commonly referred, primarily include programmers and graphic designers. Over the years this has expanded to include almost every type of skill that one might see prevalent in the creation of any movie or television program, including sound designers, musicians, and other technicians; as well as skills that are specific to video games, such as the game designer. All of these are managed by producers.

In the early days of the industry, it was more common for a single person to manage all of the roles needed to create a video game. As platforms have become more complex and powerful in the type of material they can present, larger teams have been needed to generate all of the art, programming, cinematography, and more. This is not to say that the age of the "one-man shop" is gone, as this is still sometimes found in the casual gaming and handheld markets,^[24] where smaller games are prevalent due to technical limitations such as limitedRAM or lack of dedicated 3D graphics rendering capabilities on the target platform (e.g., some cellphones and PDAs).^{[citation needed]}

With the growth of the size of development teams in the industry, the problem of cost has increased. Development studios need to be able to pay their staff a competitive wage in order to attract and retain the best talent, while publishers are constantly looking to keep costs down in order to maintain profitability on their investment. Typically, a video game console development team can range in sizes of anywhere from 5 to 50 people, with some teams exceeding 100. In May 2009, one game project was reported to have a development staff of 450.^[25] The growth of team size combined with greater pressure to get completed projects into the market to begin recouping production costs has led to a greater occurrence of missed deadlines and unfinished products.^{[citation needed]}

Downloadable Content

Main article: Downloadable Content

A newer phenomenon of withholding content from the game and then releasing it at a later date for additional funds not factored into the retail price began with digital video game distribution known as Downloadable Content (also known colloquially as 'DLC'). Studios may choose to utilize this to issue original content after the game is released, such as Rockstar Games with Grand Theft Auto IV, or Bethesda with Fallout 3, yet often opt instead to create content before the game is released to be intentionally withheld, such asActivision and Treyarch with Call of Duty (Despite knowing well public affection for a 'Zombies' game mode, it was shipped with only one map for this game mode, and periodically releases new ones with $10 DLC).^[26][27][28]

Modifications

Main article: Mod (computer gaming)

Many games produced for the PC are designed such that technically oriented consumers can modify the game. These mods can add an extra dimension of replayability and interest. Developers such as id Software, Valve Software, Crytek, Bethesda, Epic Games andBlizzard Entertainment ship their games with some of the development tools used to make the game, along with documentation to assist mod developers. The Internet provides an inexpensive medium to promote and distribute mods, and they may be a factor in the commercial success of some games.^[29] This allows for the kind of success seen by popular mods such as the Half-Life mod Counter-Strike.

Cheating

Main article: Cheating (video games)

Cheating in computer games may involve cheat codes and hidden spots implemented by the game developers,^[30][31] modification of game code by third parties,^[32][33] or players exploiting a software glitch. Modifications are facilitated by either cheat cartridge hardware or a software trainer.^[32] Cheats usually make the game easier by providing an unlimited amount of some resource; for example weapons, health, or ammunition; or perhaps the ability to walk through walls.^[31][32] Other cheats might give access to otherwise unplayable levels or provide unusual or amusing features, like altered game colors or other graphical appearances.

Glitches

Example of a color glitch from the video game Ultimate Mortal Kombat 3

Main article: Glitch

Software errors not detected by software testers during development can find their way into released versions of computer and video games. This may happen because the glitch only occurs under unusual circumstances in the game, was deemed too minor to correct, or because the game development was hurried to meet a publication deadline. Glitches can range from minor graphical errors to serious bugs that can delete saved data or cause the game to malfunction. In some cases publishers will release updates (referred to as patches) to repair glitches. Sometimes a glitch may be beneficial to the player, these are often referred to as exploits.

Theory

Main article: Game studies

Although departments of computer science have been studying the technical aspects of video games for years, theories that examine games as an artistic medium are a relatively recent development in the humanities. The two most visible schools in this emerging field are ludology and narratology. Narrativists approach video games in the context of what Janet Murray calls "Cyberdrama". That is to say, their major concern is with video games as a storytelling medium, one that arises out of interactive fiction. Murray puts video games in the context of the Holodeck, a fictional piece of technology from Star Trek, arguing for the video game as a medium in which we get to become another person, and to act out in another world.^[34] This image of video games received early widespread popular support, and forms the basis of films such as Tron, eXistenZ, and The Last Starfighter.

Ludologists break sharply and radically from this idea. They argue that a video game is first and foremost a game, which must be understood in terms of its rules, interface, and the concept of play that it deploys. Espen J. Aarseth argues that, although games certainly have plots, characters, and aspects of traditional narratives, these aspects are incidental to gameplay. For example, Aarseth is critical of the widespread attention that narrativists have given to the heroine of the game Tomb Raider, saying that "the dimensions ofLara Croft's body, already analyzed to death by film theorists, are irrelevant to me as a player, because a different-looking body would not make me play differently... When I play, I don't even see her body, but see through it and past it."^[35] Simply put, ludologists reject traditional theories of art because they claim that the artistic and socially relevant qualities of a video game are primarily determined by the underlying set of rules, demands, and expectations imposed on the player.

While many games rely on emergent principles, video games commonly present simulated story worlds where emergent behavior occurs within the context of the game. The term "emergent narrative" has been used to describe how, in a simulated environment, storyline can be created simply by "what happens to the player."^[36] However, emergent behavior is not limited to sophisticated games. In general, any place where event-driven instructions occur for AI in a game, emergent behavior will exist. For instance, take a racing game in which cars are programmed to avoid crashing, and they encounter an obstacle in the track: the cars might then maneuver to avoid the obstacle causing the cars behind them to slow and/or maneuver to accommodate the cars in front of them and the obstacle. The programmer never wrote code to specifically create a traffic jam, yet one now exists in the game.

Social aspects

Demographics

The November 2005 Nielsen Active Gamer Study, taking a survey of 2,000 regular gamers, found that the U.S. games market is diversifying. The age group among male players has expanded significantly in the 25–40 age group. For casual online puzzle-style and simple mobile cell phone games, the gender divide is more or less equal between males and females. Females have also been found to show an attraction to online multi-player games where there is a communal experience.^{[citation needed]} More recently there has been a growing segment of female players engaged with the aggressive style of games historically considered to fall within traditionally male genres (e.g., first-person shooters). According to the ESRB almost 41% of PC gamers are women^[37] (see Girl gamer).

When comparing today's industry climate with that of 20 years ago, women and many adults are more inclined to be using products in the industry. While the market for teen and young adult men is still a strong market, it is the other demographics which are posting significant growth. The Entertainment Software Association (ESA) provides the following summary for 2011 based on a study of almost 1,200 American households carried out by Ipsos MediaCT^[38]:

• The average gamer is 37 years old and has been playing for 12 years. Eighty-two percent of gamers are 18 years of age or older.
• Forty-two percent of all players are women and women over 18 years of age are one of the industry's fastest growing demographics.
• Today, adult women represent a greater portion of the game-playing population (37 percent) than boys age 17 or younger (13 percent).
• Twenty-nine percent of game players are over the age of 50, an increase from nine percent in 1999.
• Sixty-five percent of gamers play games with other gamers in person.
• Fifty-five percent of gamers play games on their phones or handheld device.

A 2006 academic study, based on a survey answered by 10.000 gamers, identified the gaymers (gamers that identify as LGBT) as a significant demographic group. ^{[39] [40][41]} A followup survey in 2009 studied the purchase habits and content preferences of people in the group.^[42][43][44]

Multiplayer

Main article: Multiplayer video game

Video gaming has traditionally been a social experience. Multiplayer video games are those that can be played either competitively, sometimes in Electronic Sports, or cooperatively by using either multiple input devices, or by hotseating. Tennis for Two, arguably the first video game, was a two player game, as was its successor Pong. The first commercially available game console, the Magnavox Odyssey, had two controller inputs.

Since then, most consoles have been shipped with two or four controller inputs. Some have had the ability to expand to four, eight or as many as twelve inputs with additional adapters, such as the Multitap. Multiplayer arcade games typically feature play for two to four players, sometimes tilting the monitor on its back for a top-down viewing experience allowing players to sit opposite one another.

Many early computer games for non-PC descendant based platforms featured multiplayer support. Personal computer systems fromAtari and Commodore both regularly featured at least two game ports. PC-based computer games started with a lower availability of multiplayer options because of technical limitations. PCs typically had either one or no game ports at all. Network games for these early personal computers were generally limited to only text based adventures or MUDs that were played remotely on a dedicated server. This was due both to the slow speed of modems (300-1200-bit/s), and the prohibitive cost involved with putting a computer online in such a way where multiple visitors could make use of it. However, with the advent of widespread local area networking technologies and Internet based online capabilities, the number of players in modern games can be 32 or higher, sometimes featuring integrated text and/or voice chat. MMOs can offer extremely high numbers of simultaneous players; Eve Online set a record with 54,446 players on a single server in 2010.^[45]

Benefits

Main article: Video game behavioral effects

It has been shown that action video game players have better hand-eye coordination and visuo-motor skills, such as their resistance todistraction, their sensitivity to information in the peripheral vision and their ability to count briefly presented objects, than nonplayers.^[46]Researchers found that such enhanced abilities could be acquired by training with action games, involving challenges that switch attention between different locations, but not with games requiring concentration on single objects. It has been suggested by a few studies that online/offline video gaming can be used as a therapeutic tool in the treatment of different mental health concerns.^[which?]

In Steven Johnson's book, Everything Bad Is Good for You, he argues that video games in fact demand far more from a player than traditional games like Monopoly. To experience the game, the player must first determine the objectives, as well as how to complete them. They must then learn the game controls and how the human-machine interface works, including menus and HUDs. Beyond such skills, which after some time become quite fundamental and are taken for granted by many gamers, video games are based upon the player navigating (and eventually mastering) a highly complex system with many variables. This requires a strong analytical ability, as well as flexibility and adaptability. He argues that the process of learning the boundaries, goals, and controls of a given game is often a highly demanding one that calls on many different areas of cognitive function. Indeed, most games require a great deal of patience and focus from the player, and, contrary to the popular perception that games provide instant gratification, games actually delay gratification far longer than other forms of entertainment such as film or even many books.^[47] Some research suggests video games may even increase players' attention capacities.^[48]

Learning principles found in video games have been identified as possible techniques with which to reform the U.S. education system.^[49] It has been noticed that gamers adopt an attitude while playing that is of such high concentration, they do not realize they are learning, and that if the same attitude could be adopted at school, education would enjoy significant benefits.^[50] Students are found to be "learning by doing" while playing video games while fostering creative thinking.^[51]

The U.S. Army has deployed machines such as the PackBot which make use of a game-style hand controller to make it more familiar for young people.^[52]

According to research discussed at the 2008 Convention of the American Psychological Association, certain types of video games can improve the gamers' dexterity as well as their ability to problem-solve. A study of 33 laparoscopic surgeons found that those who played video games were 27 percent faster at advanced surgical procedures and made 37 percent fewer errors compared to those who did not play video games. A second study of 303 laparoscopic surgeons (82 percent men; 18 percent women) also showed that surgeons who played video games requiring spatial skills and hand dexterity and then performed a drill testing these skills were significantly faster at their first attempt and across all 10 trials than the surgeons who did not play the video games first.^[53]

Whilst many studies have detected superior mental aptitudes amongst habitual gamers, research by Walter Boot at the University of Illinois found that non-gamers showed no improvement in memory or multitasking abilities after 20 hours of playing three different games. The researchers suggested that "individuals with superior abilities are more likely to choose video gaming as an activity in the first place".^[54]

Controversy

Main article: Video game controversy

Like related forms of media, computer and video games have been the subject of frequent controversy and censorship, due to the depiction of graphic violence, sexual themes, advergaming (a form of advertising in games), consumption of drugs, consumption ofalcohol or tobacco, propaganda, or profanity in some games. Among others, critics of video games often include parents' groups,politicians, organized religious groups, and other advocacy groups. Various games have been accused of causing addiction and even violent behavior, though how much ground this holds is debatable. "Video game censorship" is defined as the use of state or group power to control the playing, distribution, purchase, or sale of video games or computer games. Video game controversy comes in many forms, and censorship is a controversial subject. Proponents and opponents of censorship are often very passionate about their individual views.

Various national content rating organizations, such as the Entertainment Software Ratings Board or ESRB in North America, rate software for certain age groups and with certain content warnings. Some of these organizations are optional industry self-regulation (such as the ESRB), while others are part of national government censorship organizations. Most video games display their rating on the front side of their packaging. However, parents are not always aware of the existence of these ratings. Not all ratings are considered accurate. Organizations such as What They Play and Common Sense Media aim to provide guidance and advice for parents.^[55]

Commercial aspects

Game sales

See also: List of best-selling video games

A typical retail display (in Geneva,Switzerland) with a large selection of games for several major consoles

The three largest producers of and markets for computer and video games (in order) are North America (US and Canada), Japan and the United Kingdom. Other significant markets includeAustralia, Spain, Germany, South Korea, Mexico, France and Italy.^[56] Both India and Chinaare considered emerging markets in the video game industry and sales are expected to rise significantly in the coming years. Irish are the largest per capita consumers of video games.^[57]

Sales of different types of games vary widely between these markets due to local preferences. Japanese consumers tend to purchase console games over computer games, with a strong preference for games catering to local tastes. In South Korea, computer games are preferred, especially MMORPG games and real-time strategy games. There are over 20,000 Internet cafés in South Korea where computer games can be played for an hourly charge.

The NPD Group tracks computer and video game sales in the United States. It reported in 2004 that:

• Console and portable software sales: $6.2 billion, up 8% from 2003^[58]
• Console and portable hardware and accessory sales: $3.7 billion, down 35% from 2003^[58]
• PC game sales: $1.1 billion, down 15% from 2006^[59]

PC games that are digitally distributed either directly or by networks such as Steam are not tracked by the NPD, and Valve does not list sales numbers for games downloaded through their service. Unauthorized distribution is also rampant on the PC.^[60]

These figures are sales in dollars, not units, Unit shipments for each category were higher than the dollar sales numbers indicate, because more software and hardware was discounted than in 2003. But with the release of the next-generation consoles in 2006, these numbers increased dramatically. The game and film industries are also becoming increasingly intertwined, with companies like Sonyhaving significant stakes in both. A large number of summer blockbuster films spawn a companion game, often launching at the same time to share the marketing costs.

The global market for console games has seen an average of 6.9 percent compound annual growth rate and is expected to become a $34.7 billion market in 2012.Online game sales are expected to grow at a larger rate of 16.9 percent, escalating from $6.6 billion in 2008 to $14.4 billion by 2012. The largest channel for growth, however, is in mobile gaming with a growth rate of 19 percent; growing from $5.6 billion to $13.5 billion in four years.^[61]

Criticism

Video games have the problem of regional lockout. In Australia, while most DVD players are sold region-free to accommodate local consumer rights legislation,^[62] video game consoles are still sold fully region protected. Some effort has been made to increase awareness of the issue, specifically to Nintendo of Australia,^[63] in the form of a formal report outlining the issues, published by Aaron Rex Davies.^[64] The report has gone on to gain a lot of attention in the public media.^[65]

Video game museums

There are many video game museums around the world, for example Museum of Soviet Arcade Machines in Moscow^[66] or Computer Game Museum in Berlin.^[67]

See also

Video games portal

	Book: Video game
Wikipedia books are collections of articles that can be downloaded or ordered in print.

• Outline of video games

Notes

1. ^ "Television gaming apparatus and method". United States Patents. Retrieved 2008-06-25.
2. ^ *Patrick Stack. "History of video game consoles" Time Magazine website 2005 /
3. ^ U.S. Patent 2,455,992
4. ^ ^{a b c} "Welcome to Pong-Story - Introduction". PONG-Story.com. Retrieved 2007-10-24.
5. ^ "Welcome to... NIMROD!". Retrieved 2007-10-24.
6. ^ Winter, David. "A.S.Douglas' 1952 Noughts and Crosses game". PONG-Story. Retrieved 2009-07-03.
7. ^ Rabin, Steve (2005) [2005-06-14]. Introduction to Game Development. Massachusetts: Charles River Media. ISBN 1-58450-377-7.
8. ^ Marvin Yagoda (2008). "1972 Nutting Associates Computer Space".
9. ^ Orlando, Greg (2007-05-15). "Console Portraits: A 40-Year Pictorial History of Gaming". Wired News. Retrieved 2007-10-24.
10. ^ "History of Gaming - Interactive Timeline of Game History".PBS. Retrieved 2007-10-25.
11. ^ Miller, Michael (2005-04-01). "A History of Home Video Game Consoles". InformIT. Archived from the original on 2007-10-12. Retrieved 2007-10-25.
12. ^ "platform - Definitions from Dictionary.com". Dictionary.com. Retrieved 2007-11-03.
13. ^ "How Virtual Reality Military Applications Work". Retrieved 2009-11-24.
14. ^ *Anne Derryberry, "Definition of Serious games Adobe.comAugust 2007
15. ^ "Serious Games in Virtual Worlds: The Future of Enterprise Business Intelligence". Retrieved 2009-11-24.
16. ^ "Using Second Life As A Business-To-Business Tool". Retrieved 2009-11-24.
17. ^ "Newsgames: Procedural Rhetoric meets Political Cartoons" by Mike Treanor and Michael Mateas
18. ^ TAKE ACTION games
19. ^ Educate to Innovate | The White House
20. ^ President Obama Launches "Educate to Innovate" Campaign for Excellence in Science, Technology, Engineering & Math (Stem) Education | The White House
21. ^ Video Game Competitions to Expand Stem Learning in the United States
22. ^ Imagine Cup Student Competition - Support FAQ's
23. ^ Educational Games
24. ^ "The Edge of Reason?". eurogamer.net. Retrieved 2009-11-16.
25. ^ "Assassin's Creed II dev team triples in size", Christopher Reynolds, 18 May 2009, NOW Gamer.
26. ^ [1], Giant Bomb.
27. ^ [2], Bethesda.
28. ^ [3], Gilbert, Ben, 11 Apr 2011, Joystiq.
29. ^ Hollywood Reporter interviewing Doug Lombardi, Quote: "Mods absolutely helped us drive huge sales to 'Half-Life,'".
30. ^ Vargas, Jose Antonio (2006-08-28). "In Game World, Cheaters Proudly Prosper". Washington Post. Retrieved 2007-10-24.
31. ^ ^{a b} 1UP Staff. "Cracking the Code: The Konami Code".1UP.com. Retrieved 2007-10-24.
32. ^ ^{a b c} Rybka, Jason. "Video Game Cheats and Codes - What Are Cheat Codes?". About.com. Retrieved 2007-10-24.
33. ^ Rybka, Jason. "Why Use Cheats and Codes for Console and PC Games?". About.com. Retrieved 2007-10-24.
34. ^ Murray, Janet (1998). Hamlet on the Holodeck. MIT Press.ISBN 0262631873.
35. ^ Aarseth, Espen J. (2004-05-21). "Genre Trouble". Electronic Book Review. Retrieved 2006-06-14.
36. ^ IGN: GDC 2004: Warren Spector Talks Games Narrative
37. ^ Guy, Hannah (2007). "Women video gamers: Not just solitaire". PC World Canada. Archived from the original on 2007-03-12.
38. ^ ESA. "Game Player Data".
39. ^ Sliwinski, Alexander (2006-06-10). "First-ever survey of gay videogamers". Washington Blade.
40. ^ Sliwinski, Alexander (2006-06-08). "Gay video game player survey". In Newsweekly.
41. ^ Sliwinski, Alexander. "Gay gamer survey results with large hetero inclusion". Joystiq.
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References

• Lieu, Tina (August 1997). "Where have all the PC games gone?". Computing Japan. Archived from the original on 1998-01-12.
• Costikyan, Greg (1994). "I Have No Words & I Must Design".
• Crawford, Chris (1982). "The Art of Computer Game Design".
• Salen, Katie; Eric Zimmerman (2005). The Game Design Reader: A Rules of Play Anthology. The MIT Press. ISBN 0-262-19536-4.
• Smuts, Aaron (2005). "Are Video Games Art?".
• Blodget, Henry (April 12, 2005). "How to Solve China's Piracy Problem". Slate.com. Retrieved February 12, 2006.
• Winegarner, Beth (January 28, 2005). "Game sales hit record highs". Gamespot. Retrieved February 12, 2006.
• John Wills (2002-10-01). "Digital Dinosaurs and Artificial Life: Exploring the Culture of Nature in Computer and Video Games". Cultural Values (Journal for Cultural Research) (Routledge) 6 (4): 395–417. doi:10.1080/1362517022000047334.
• Williams, J. P., & Smith, J. H., eds. (2007). The players' realm: studies on the culture of video games and gaming. Jefferson, N.C.: McFarland & Co. ISBN 9780786428328

External links

Find more about Computer and video games on Wikipedia's sister projects:
	Definitions from Wiktionary
	Images and media from Commons
	Learning resources from Wikiversity
	News stories from Wikinews
	Quotations from Wikiquote
	Source texts from Wikisource
	Textbooks from Wikibooks

• Video Games at the Open Directory Project
• Tom Chatfield writes on the culture and future of video games for Prospect Magazine
• CBC Digital Archives: The Arcade Age
• An interactive videogame history timeline
• Video Games Through the Ages - slideshow by Life magazine

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