Aside from the single player game mode, Doom features two multiplayer modes playable over a network: " cooperative ", in which two to four players team up, and " deathmatch ", in which two to four players play against each other.

Doom was not the first first-person shooter with a deathmatch mode — Maze War was a multiplayer FPS in 1973, and by 1977 was running over ethernet on Xerox computers.

While Duck Hunt does not have a traditional multiplayer mode, the manual states that a second player may plug in a standard NES controller in the other controller port and control the duck that appears.

The PlayStation version, developed by Probe Entertainment, has the FMV scenes and Redbook audio music from the PC CD-ROM version, but no multiplayer mode.

In multiplayer mode, players on several computers connect to a server ( which may be a dedicated machine or on one of the player's computers ), where they can either play the single-player campaign together in co-op mode or against each other in multiplayer.

When players die in multiplayer mode, they can immediately respawn but lose any items that were collected.

Capture the Flag has become a standard game mode included in most popular multiplayer games released after Quake, in addition to Deathmatch first introduced in Doom.

One category of mod, " bots ", were introduced to provide surrogate players in multiplayer mode.

The multiplayer mode ( called COMM-BAT in the game ) is notable for the time the game was released, allowing up to eleven players simultaneously.

There was also a Site License version, which contained several multiplayer levels, and allowed the game to be played in multiplayer mode in up to 11 different computers in a single network, without each requiring a different copy of the game.

The single player game was developed by Gray Matter Interactive and Nerve Software developed its multiplayer mode.

It includes a story-based single player campaign ( which uses certain themes from the original game ), as well as a team-based networked multiplayer mode.

" PlanetPS2 commented " Red Faction delivers a satisfying, if slightly flawed single player experience and a distracting, but ultimately shallow multiplayer mode.

The port was renamed Sonic Adventure 2 Battle, after the added multiplayer mode enhancements.

In a third multiplayer mode – Battle Mode – the aim is to defeat the other players by attacking them with power-ups, destroying balloons which surround each kart.

Nintendo Magazine System showed a preference for the multiplayer modes of the game and stated that while the " single player mode becomes dull quickly " the " two-player mode won't lose appeal ".

At E3 2006, Nintendo confirmed the game's status as a direct sequel to The Wind Waker, and released an extensive playable demo, including a multiplayer mode with " capture the flag " elements.

Fighting games may also offer a multiplayer mode in which players fight each other, sometimes by letting a second player challenge the first at any moment during a single player match.

Dr. Mario offers a multiplayer gaming mode in which two players compete against each other in separate playing fields.

At DAIMI, the CS department at Aarhus University, three CS students, avid players of XPilot and of Sid Meier's Civilization, which was a stand-alone PC game for DOS, decided to find out whether the two could be fused into an X-based multiplayer Civilization-like strategy game.

Freeciv supports human-to-human multiplayer gameplay and artificial intelligence ( AI ) computer players.

Massively multiplayer online role-playing game ( MMORPG ) is a genre of role-playing video games in which a very large number of players interact with one another within a virtual game world.

Play by mail games differ from popular online multiplayer games in that, for most computerized multiplayer games, the players have to be online at the same time-also known as synchronous play.

Instead, it simulates the multiplayer experience with computer controlled players known as bots.

Quake III Arena was specifically designed for multiplayer, the game allows players whose computers are connected by a network or to the internet, to play against each other in real time.

It features split-screen multiplayer for up to 4 players, but lacks online play and mouse support.

Prior to the release of these maps, players were limited to playing multiplayer games on the single-player levels, which, while functional as multiplayer levels, were not designed with deathmatch gameplay specifically in mind.

They have specific rules, as do multiplayer games, but mathematical puzzles don't usually involve competition between two or more players.

There are nine multiplayer modes, some of which do not necessarily involve players shooting each other.

The multiplayer modes support two players and the second player uses the bottom half of the screen which is used as a map in the single player modes.

In the single player game, these were limited to units representing ' The Light ', but multiplayer allowed players to control units from both sides of the conflict.

A gamemaster ( simplify as GM, also known as game master, game manager, game moderator or referee, and guán lǐ yuán 管理员, zhǔ chí zhě 主持者 or shén 神 in Chinese, gamemaster ゲームマスター, kanrisha 管理者 or kamisama 神様 in Japanese ) is a person who acts as an organizer, officiant for questions regarding rules, arbitrator, and moderator for a multiplayer role-playing game.

Visual chat rooms add graphics to the chat experience, in either 2D or 3D ( employing virtual reality technology ). These are characterized by using a graphic representation of the user, an avatar ( virtualing elements such as games ( in particular massively multiplayer online games ) and educational material most often developed by individual site owners, who in general are simply more advanced users of the systems.

The Nintendo e-Reader version of Mario Bros. was slightly more well received by IGN, who praised the gameplay, but criticized it for lack of multiplayer and for not being worth the purchase because of the Super Mario Advance versions.

A massively multiplayer online roleplaying game based on the license was announced by Cryptic Studios, who had developed the popular City of Heroes and the cancelled Marvel Universe Online.

According to David Doak, the majority of the work on the multiplayer mode was done by Steve Ellis, who " sat in a room with all the code written for a single-player game and turned GoldenEye into a multiplayer game.

The software will refuse to run if the registration key is not typed in correctly, and multiplayer games will refuse to run if another user is online who has used the same registration key.

The game features a multiplayer mode in which Chao can be traded between players who each have a copy of the game.

Games try to enhance the experience of vulnerability by making the game single player rather than multiplayer, and by giving the player an avatar who is more frail than the typical action game hero.

Jim Bowery claims that it is the very first 3D multiplayer game and has offered reward of US $ 500 to anyone who could document an example of a multiplayer 3D virtual reality game prior to Spasim.

In both single player and multiplayer, the player character is a Force-user, who has access to a variety of Force powers in addition to his or her lightsaber ( s ).

Tie-in literature for the class-based multiplayer video game Team Fortress 2 lists the Demoman, a one-eyed demolitions expert who drinks heavily, as a native of Ullapool.

In her book Life on the Screen, Sherry Turkle explored how people who participated in online multiplayer games such as MUDs, used their experiences with the game to explore personal issues of identity ( Turkle, 1995 ).

It was won by Jason Rohrer who designed a one-player at a time multiplayer game named Chain World contained entirely on a USB flash drive.

* Team killing — player who intentionally attacks or kills his own teammate in multiplayer computer or video games

* Team Fortress 2 is a stand-alone multiplayer game created by the original designers who now work for Valve Software.

* Fleet Intelligence: Much like in the original game, Fleet Intelligence is a male character who analyzes sensor data and generates mission objectives during the single-player campaign ; also like in the original game, he is not heard in multiplayer.

Brad McQuaid is an American video game designer who was the key designer of EverQuest, a highly successful massively multiplayer online role-playing game ( MMORPG ) released in 1999.

In Internet forums and online multiplayer games, the host of the game often has the power to ban players who do not follow the rules, or who make little effort to get along with fellow players.

Nintendo Entertainment Analysis and Development, who produced the original version of the game, first displayed the game as multiplayer demonstration at the 2004 E3 titled.

According to Duncan Botwood, who was responsible for most of the multiplayer, " It was quite an effort to put it in, to be honest.

The target audience for TeamSpeak is gamers, who can use the software to communicate with other players on the same team of a multiplayer game.