A multiplayer video game is a video game in which more than one person can play in the same game environment at the same time, either locally on the same computing system (couch co-op), on different computing systems via a local area network, or via a wide area network, most commonly the Internet (e.g. World of Warcraft , Call of Duty , DayZ). Multiplayer games usually require players to share a single game system or use networking technology to play together over a greater distance; players may compete against one or more human contestants, work cooperatively with a human partner to achieve a common goal, or supervise other players' activity. Due to multiplayer games allowing players to interact with other individuals, they provide an element of social communication absent from single-player games.
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|History of video games|
Some of the earliest video games were two-player games, including early sports games (such as 1958's Tennis For Two and 1972's Pong ), early shooter games such as Spacewar! (1962)  and early racing video games such as Astro Race (1973).  The first examples of multiplayer real-time games were developed on the PLATO system about 1973. Multi-user games developed on this system included 1973's Empire and 1974's Spasim; the latter was an early first-person shooter. Other early video games included turn-based multiplayer modes, popular in tabletop arcade machines. In such games, play is alternated at some point (often after the loss of a life). All players' scores are often displayed onscreen so players can see their relative standing. Danielle Bunten Berry created some of the first multiplayer video games, such as her debut, Wheeler Dealers (1978) and her most notable work, M.U.L.E. (1983).
Gauntlet (1985) and Quartet (1986) introduced co-operative 4-player gaming to the arcades. The games had broader consoles to allow for four sets of controls.
Ken Wasserman and Tim Stryker identified three factors which make networked computer games appealing: 
John G. Kemeny wrote in 1972 that software running on the Dartmouth Time Sharing System (DTSS) had recently gained the ability to support multiple simultaneous users, and that games were the first use of the functionality. DTSS's popular American football game, he said, now supported head-to-head play by two humans. 
The first large-scale serial sessions using a single computer[ citation needed ] were STAR (based on Star Trek ), OCEAN (a battle using ships, submarines and helicopters, with players divided between two combating cities) and 1975's CAVE (based on Dungeons and Dragons), created by Christopher Caldwell (with artwork and suggestions by Roger Long and assembly coding by Robert Kenney) on the University of New Hampshire's DECsystem-1090. The university's computer system had hundreds of terminals, connected (via serial lines) through cluster PDP-11s for student, teacher, and staff access. The games had a program running on each terminal (for each player), sharing a segment of shared memory (known as the "high segment" in the OS TOPS-10). The games became popular, and the university often banned them because of their RAM use. STAR was based on 1974's single-user, turn-oriented BASIC program STAR, written by Michael O'Shaughnessy at UNH.
Wasserman and Stryker in 1980 described in BYTE how to network two Commodore PET computers with a cable. Their article includes a type-in, two-player Hangman, and describes the authors' more-sophisticated Flash Attack.  Digital Equipment Corporation distributed another multi-user version of Star Trek, Decwar, without real-time screen updating; it was widely distributed to universities with DECsystem-10s. In 1981 Cliff Zimmerman wrote an homage to Star Trek in MACRO-10 for DECsystem-10s and -20s using VT100-series graphics. "VTtrek" pitted four Federation players against four Klingons in a three-dimensional universe.
Flight Simulator II , released in 1986 for the Atari ST and Commodore Amiga, allowed two players to connect via modem or serial cable and fly together in a shared environment.
MIDI Maze , an early first-person shooter released in 1987 for the Atari ST, featured network multiplay through a MIDI interface before Ethernet and Internet play became common. It is considered[ by whom? ] the first multiplayer 3D shooter on a mainstream system, and the first network multiplayer action-game (with support for up to 16 players). There followed ports to a number of platforms (including Game Boy and Super NES) in 1991 under the title Faceball 2000, making it one of the first handheld, multi-platform first-person shooters and an early console example of the genre. 
Networked multiplayer gaming modes are known as "netplay". The first popular video-game title with a Local Area Network(LAN) version, 1991's Spectre for the Apple Macintosh, featured AppleTalk support for up to eight players. Spectre's popularity was partially attributed[ by whom? ] to the display of a player's name above their cybertank. There followed 1993's Doom, whose first network version allowed four simultaneous players. 
Play-by-email multiplayer games use email to communicate between computers. Other turn-based variations not requiring players to be online simultaneously are Play-by-post gaming and Play-by-Internet. Some online games are "massively multiplayer", with many players participating simultaneously. Two massively-multiplayer genres are MMORPG (such as World of Warcraft or EverQuest ) and MMORTS.
First-person shooters have become popular multiplayer games; Battlefield 1942 and Counter-Strike have little (or no) single-player gameplay. Developer and gaming site OMGPOP's library included multiplayer Flash games for the casual player until it was shut down in 2013. Some networked multiplayer games, including MUDs and massively multiplayer online games (MMOs) such as RuneScape, omit a single-player mode. The largest MMO in 2008 was World of Warcraft, with over 10 million registered players worldwide. World of Warcraft would hit its peak at 12 million players two years later in 2010, and in 2020 earned the Guinness World Record for best selling MMO video game.  This category of games requires multiple machines to connect via the Internet; before the Internet became popular, MUDs were played on time-sharing computer systems and games like Doom were played on a LAN.
Beginning with the Sega NetLink in 1996, Game.com in 1997 and Dreamcast in 2000, game consoles support network gaming over LANs and the Internet. Many mobile phones and handheld consoles also offer wireless gaming with Bluetooth (or similar) technology. By the early 2010s online gaming had become a mainstay of console platforms such as Xbox and PlayStation.[ citation needed ] During the 2010s, as the number of Internet users increased, two new video game genres rapidly gained worldwide popularity – multiplayer online battle arena and battle royale game, both designed exclusively for multiplayer gameplay over the Internet.
Over time the number of people playing video games has increased. In 2020, the majority of households in the United States have an occupant that plays video games, and 65% of gamers play multiplayer games with others either online or in person. 
For some games, "multiplayer" implies that players are playing on the same gaming system or network. This applies to all arcade games, but also to a number of console, and personal computer games too. Local multiplayer games played on a singular system sometimes use split screen, so each player has an individual view of the action (important in first-person shooters and in racing video games) Nearly all multiplayer modes on beat 'em up games have a single-system option, but racing games have started to abandon split-screen in favor of a multiple-system, multiplayer mode. Turn-based games such as chess also lend themselves to single system single screen and even to a single controller.
Multiple types of games allow players to use local multiplayer. The term "local co-op" or "couch co-op" refers to local multiplayer games played in a cooperative manner on the same system; these may use split-screen or some other display method. Another option is hot-seat games. Hot-seat games are typically turn-based games with only one controller or input set –such as a single keyboard/mouse on the system. Players rotate using the input device to perform their turn such that each is taking a turn on the "hot-seat".
Not all local multiplayer games are played on the same console or personal computer. Some local multiplayer games are played over a LAN. This involves multiple devices using one local network to play together. Networked multiplayer games on LAN eliminate common problems faced when playing online such as lag and anonymity. Games played on a LAN network are the focus of LAN parties. While local co-op and LAN parties still take place, there has been a decrease in both due to an increasing number of players and games utilizing online multiplayer gaming. 
Online multiplayer games connect players over a wide area network (a common example being the Internet). Unlike local multiplayer, players playing online multiplayer are not restricted to the same local network. This allows players to interact with others from a much greater distance.
Playing multiplayer online offers the benefits of distance, but it also comes with its own unique challenges. Gamers refer to latency using the term "ping", after a utility which measures round-trip network communication delays (by the use of ICMP packets). A player on a DSL connection with a 50-ms ping can react faster than a modem user with a 350-ms average latency. Other problems include packet loss and choke, which can prevent a player from "registering" their actions with a server. In first-person shooters, this problem appears when bullets hit the enemy without damage. The player's connection is not the only factor; some servers are slower than others.
This section relies largely or entirely on a single source .(October 2021)
Asymmetrical multiplayer is a type of gameplay in which players can have significantly different roles or abilities from each other –enough to provide a significantly different experience of the game.  In games with light asymmetry, the players share some of the same basic mechanics (such as movement and death), yet have different roles in the game; this is a common feature of the multiplayer online battle arena (MOBA) genre such as League of Legends and Dota 2 , and in hero shooters such as Overwatch and Apex Legends . In games with stronger elements of asymmetry, one player/team may have one gameplay experience (or be in softly asymmetric roles) while the other player or team play in a drastically different way, with different mechanics, a different type of objective, or both. Examples of games with strong asymmetry include Dead by Daylight , Evolve , and Left 4 Dead . 
Asynchronous multiplayer is a form of multiplayer gameplay where players do not have to be playing at the same time.  This form of multiplayer game has its origins in play-by-mail games, where players would send their moves through postal mail to a game master, who then would compile and send out results for the next turn. Play-by-mail games transitioned to electronic form as play-by-email games.  Similar games were developed for bulletin board systems, such as Trade Wars , where the turn structure may not be as rigorous and allow players to take actions at any time in a persistence space alongside all other players, a concept known as sporadic play. 
These types of asynchronous multiplayer games waned with the widespread availability of the Internet which allowed players to play against each other simultaneously, but remains an option in many strategy-related games, such as the Civilization series. Coordination of turns are subsequently managed by one computer or a centralized server. Further, many mobile games are based on sporadic play and use social interactions with other players, lacking direct player versus player game modes but allowing players to influence other players' games, coordinated through central game servers, another facet of asynchronous play. 
Online cheating (in gaming) usually refers to modifying the game experience to give one player an advantage over others, such as using an "aimbot" –a program which automatically locks the player's crosshairs onto a target –in shooting games.    This is also known as "hacking" or "glitching" ("glitching" refers to using a glitch, or a mistake in the code of a game, whereas "hacking" is manipulating the code of a game). Cheating in video games is often done via a third-party program that modifies the game's code at runtime to give one or more players an advantage. In other situations, it is frequently done by changing the game's files to change the game's mechanics. 
A massively multiplayer online role-playing game (MMORPG) is a video game that combines aspects of a role-playing video game and a massively multiplayer online game.
A LAN party is a social gathering of participants with personal computers or compatible game consoles, where a local area network (LAN) connection is established between the devices using a router or switch, primarily for the purpose of playing multiplayer video games together. LAN party events differ significantly from LAN gaming centers and Internet cafes in that LAN parties generally require participants to bring your own computer (BYOC) and are not permanent installations, often taking place in general-use venues or residences.
A video game genre is an informal classification of a video game based on how it is played rather than visual or narrative elements. This is independent of setting, unlike works of fiction that are expressed through other media, such as films or books. For example, a shooter game is still a shooter game, regardless of where or when it takes place. A specific game's genre is open to subjective interpretation. An individual game may belong to several genres at once.
A massively multiplayer online game is an online video game with a large number of players, often hundreds or thousands, on the same server. MMOs usually feature a huge, persistent open world, although there are games that differ. These games can be found for most network-capable platforms, including the personal computer, video game console, or smartphones and other mobile devices.
An online game is a video game that is either partially or primarily played through the Internet or any other computer network available. Online games are ubiquitous on modern gaming platforms, including PCs, consoles and mobile devices, and span many genres, including first-person shooters, strategy games, and massively multiplayer online role-playing games (MMORPG). In 2019, revenue in the online games segment reached $16.9 billion, with $4.2 billion generated by China and $3.5 billion in the United States. Since 2010s, a common trend among online games has been operating them as games as a service, using monetization schemes such as loot boxes and battle passes as purchasable items atop freely-offered games. Unlike purchased retail games, online games have the problem of not being permanently playable, as they require special servers in order to function.
The following outline is provided as an overview of and topical guide to video games:
Cooperative video game, often abbreviated as co-op, is a video game that allows players to work together as teammates, usually against one or more non-player character opponents (PvE).
XLink Kai is a program developed by Team XLink allowing for online play of video games with support for LAN multiplayer modes. It enables players on the GameCube, Nintendo Switch, PlayStation 2, PlayStation 3, PlayStation 4, PlayStation Portable, PlayStation Vita / PlayStation TV, Xbox, Xbox 360, and Xbox One to play games across the Internet using a network configuration that simulates a local area network (LAN). It notably also allows original Xbox games to be played online again following the Xbox Live shutdown on 21 April 2010 and certain GameSpy titles such as Saints Row 2 to be played online after the GameSpy network shutdown on 31 May 2014.
Twitch gameplay is a type of video gameplay scenario that tests a player's response time. Action games such as shooters, sports, multiplayer online battle arena, and fighting games often contain elements of twitch gameplay. For example, first-person shooters such as Counter-Strike and Call of Duty require quick reaction times for the players to shoot enemies, and fighting games such as Street Fighter and Mortal Kombat require quick reaction times to attack or counter an opponent. Other video game genres may also involve twitch gameplay. For example, the puzzle video game Tetris gradually speeds up as the player makes progress.
Video game culture or gaming culture is a worldwide new media subculture formed by video game hobbyists. As video games have exponentially increased in sophistication, accessibility and popularity over time, they have had a significant influence on popular culture, particularly among middle class adolescents and young adults. Video game culture has also evolved with Internet culture and the increasing popularity of mobile games.
The GameCube is one of Nintendo's home video game consoles and part of the sixth generation of video game consoles. Although the competing PlayStation 2 and Xbox consoles supported substantial amounts of online games, the GameCube had only eight games with internet or local area network (LAN) support. Nintendo never commissioned any servers or internet services to interface with the console, but allowed other publishers to do so and made them responsible for managing the online experiences for their games. Nintendo remained pensive with its online strategy for the duration of the GameCube's lifespan, defiant of growing interest from players and the success of Microsoft's Xbox Live online service. Company leaders including Shigeru Miyamoto and Satoru Iwata based their stance on concerns with maintaining quality control over their games and doubts that players would want to pay subscription fees.
This article refers to the Xbox system link. Not system link on any other Video Game Consoles. Information about system link on other Video Game Consoles can be found elsewhere!
The history of massively multiplayer online games spans over thirty years and hundreds of massively multiplayer online games (MMOG) titles. The origin and influence on MMO games stems from MUDs, Dungeons & Dragons (D&D) and earlier social games.
Strategy is a major video game genre that emphasizes thinking and planning over direct instant action in order to achieve victory. Although many types of video games can contain strategic elements, as a genre, strategy games are most commonly defined as those with a primary focus on high-level strategy, logistics and resource management. They are also usually divided into two main sub-categories: turn-based and real-time, but there are also many strategy cross/sub-genres that feature additional elements such as tactics, diplomacy, economics and exploration.
Online games are video games played over a computer network. The evolution of these games parallels the evolution of computers and computer networking, with new technologies improving the essential functionality needed for playing video games on a remote server. Many video games have an online component, allowing players to play against or cooperatively with players across a network around the world.
Selected games on Sony's PlayStation 2 video game console offer online gaming or other online capabilities. Games that enable the feature provide free online play through the use of a broadband internet connection and a PlayStation 2 Network Adaptor. Since the service has no official name, it is sometimes referred as either PS2 Network Play, PS2 Network Gaming or PS2 Online.
This list includes terms used in video games and the video game industry, as well as slang used by players.
In the video game industry, games as a service (GaaS) represents providing video games or game content on a continuing revenue model, similar to software as a service. Games as a service are ways to monetize video games either after their initial sale, or to support a free-to-play model. Games released under the GaaS model typically receive a long or indefinite stream of monetized new content over time to encourage players to continue paying to support the game. This often leads to games that work under a GaaS model to be called "living games", "live games", or "live service games" since they continually change with these updates.
Split screen is a display technique in computer graphics that consists of dividing graphics and/or text into adjacent parts, typically as two or four rectangular areas. This is done to allow the simultaneous presentation of (usually) related graphical and textual information on a computer display. TV sports used this presentation methodology in the 1960s for instant replay.
There have been multiplayer electronic games since the dawn of computing. Space War!, the first real videogame, programmed by Steve Russell on the PDP-1, was an exclusive two-player game. So was Nolan Bushnell's pioneering coin-op Pong.