->TRY TWO PLAYERS\\
[=*=] [[HitPoints MORE ENERGY]]\\
[=*=] [[MoneyMultiplier MORE COINS]]\\
[=*=] [[CombatPragmatist MORE STRATEGIES]]\\
[=*=] [[MoreDakka DOUBLE FIREPOWER]]\\
[=*=] [[FriendlyFireProof PLAYERS CANNOT HURT EACH OTHER]]
-->--''Xybots''

There are several distinct types of Multiplayer modes in VideoGames. This trope is a SisterTrope of CompetitiveMultiplayer, MetaMultiplayer and MassivelyMultiplayer.

See also MisbegottenMultiplayerMode, where multiplayer modes are featured in games that are really designed for single-player, and SlidingScaleOfCooperationVsCompetition, on how competitive and cooperative elements can be mixed in the same game.

!Co-Operative
All players are on the same team, playing against the computer; this only counts if it's the "main game" and not multiplayer with the teams set to be players vs. CPU. The characters played by additional players are almost always CanonForeigner[=s=], rarely making it past RoadCone[=s=]. Comes in several flavors:

!!Individual
All characters have an equal amount of influence over the game itself, including camera control if it's a shared screen. Occasionally allows players to attack each other in some way, either for added difficulty or possible competition/hilarity between players, and may keep track of scores as well.

Examples:\\

[[foldercontrol]]

[[folder: Action ]]

* ''VideoGame/ResidentEvil5''

[[/folder]]

[[folder: Action Adventure ]]

* ''VideoGame/GoofTroop''
* ''VideoGame/TheLegendOfZeldaFourSwordsAdventures''
* The ScareScraper/Thrill Tower in ''VideoGame/LuigisMansionDarkMoon''

[[/folder]]

[[folder: Action RPG ]]

* ''FinalFantasyCrystalChronicles''
* The ''PhantasyStarPortable'' games support co-op with up to 4 players.

[[/folder]]

[[folder: Beat Em Ups ]]

* ''VideoGame/AcesWildManicBrawlingAction''
* The ''VideoGame/{{Battletoads}}'' console games all had two-player co-op. ''Battlemaniacs'' and ''Battletoads and Double Dragon'' offered players the option of not being able to hurt each other; the original game did not. The ''Battletoads'' ArcadeGame was designed primarily for three-player co-op.
* ''VideoGame/DoubleDragon''. The NES and Game Boy versions of the first game couldn't handle two-player co-op, so it tacked on a one-on-one versus mode instead. The arcade version of ''Double Dragon 3'' allowed up to three players.
* ''VideoGame/FinalFight'' (with the notable exception of the SNES version)
* ''VideoGame/GoldenAxe'': The 2-player co-op of the SegaGenesis version was removed from the otherwise enhanced SegaCD version.
* ''VideoGame/KnightsOfTheRound''
* ''DungeonsAndDragonsShadowOverMystara''
* ''VideoGame/TheSimpsons''
* ''VideoGame/TeenageMutantNinjaTurtlesTheArcadeGame''
* ''VideoGame/UndercoverCops'': Arcade version allowed 3 players; the SNES version was single-player only.
* ''VideoGame/{{X-Men}}'': Up to 6 players simultaneously, depending on the version.

[[/folder]]

[[folder: Fighting Game ]]

* ''Street Smart'', {{SNK}}'s first FightingGame, was also the first FightingGame to feature simultaneous two-player co-op.

[[/folder]]

[[folder: First-Person Shooters ]]

* The ''VideoGame/{{Doom}}'' and ''VideoGame/{{Quake}}'' series, excluding the last (Single-player focused) games.
** ''VideoGame/{{Heretic}}'' and ''VideoGame/{{Hexen}}'' naturally follow along, using the same engines.
* ''VideoGame/EYEDivineCybermancy'' prominently features coop multiplayer which, amusingly, has no player cap. 32 player coop ahoy!
* ''VideoGame/GunsOfIcarusOnline''
* ''VideoGame/HaloCombatEvolved'', ''VideoGame/{{Halo 2}}'' & ''VideoGame/Halo3ODST''
* ''VideoGame/KillingFloor''
* ''VideoGame/Left4Dead''
* ''VideoGame/{{Marathon}} 2'' & ''∞''
* The XBox port of ''ReturnToCastleWolfenstein''
* ''VideoGame/SeriousSam''
* ''VideoGame/UnrealTournamentIII''[='=]s Campaign Mode.
* ''VideoGame/ModernWarfare 2/3''[='=]s Campain missions are cut and made into "Spec Ops" Missions
* Also in CallOfDuty, NaziZombies. Four players vs endless horde of undead in a weird hybrid of an FPS and maybe Tower Defence.
* ''VideoGame/PerfectDark'' and ''Perfect Dark Zero''. The original created a blonde as the second player's default skin (though in-story characters could be unlocked), while in the prequel any second player usually took control of a character who was already in the story (e.g., the third mission is an EscortMission of Joanna helping her dad escape Hong Kong - the second player would be her dad). The original also [[InvertedTrope inverted]] this trope with a "counter-operative" mode, where the second player would be one of the level's mooks.
* ''VideoGame/SplinterCell'' Since the third game onwards.
* ''VideoGame/{{Borderlands}}''
* ''VideoGame/TimeSplitters'': A second player can tag along to help with the missions.
* ''VideoGame/TeamFortress2''[='=]s Mann vs. Machine mode pits one team of 3-6 against a swarm of computer-controlled AIs.

[[/folder]]

[[folder: Maze Game ]]

* ''VideoGame/WizardOfWor'', which in the arcade version also forced single players to contend with a computer-controlled ally's friendly fire.

[[/folder]]

[[folder: Platform Games ]]

* ''VideoGame/AlexKidd: The Lost Stars'' (arcade version only)
* ''VideoGame/BubbleBobble'' (except ''Bubble Bobble Part 2 NES'')
* ''VideoGame/ChipNDaleRescueRangers''
* ''VideoGame/DoomTroopers''
* ''VideoGame/JoeAndMac''
* ''VideoGame/KirbysEpicYarn''
* ''VideoGame/NewSuperMarioBrosU''
* ''VideoGame/NewSuperMarioBrosWii''
* ''Quartet'': Originally a four-player ArcadeGame, hence the title.
* ''Rastan Saga II'' (''[[MarketBasedTitle Nastar Warrior]]''), arcade version only
* ''VideoGame/RaymanOrigins''
* ''VideoGame/SnowBros''
* ''VideoGame/SonicColors''
* ''VideoGame/SuperMario3DWorld''
* ''VideoGame/WonderBoyIIIMonsterLair''
* ''VideoGame/WorldOfIllusion'': Mickey and Donald really do help each other out in the co-op mode, which includes some levels not available to either character alone.

[[/folder]]

[[folder: Puzzle Game ]]

* ''VideoGame/HelterSkelter'': Ten of the screens require the help of a second player to complete, and are accordingly skipped in single-player mode.
* ''VideoGame/{{Tetris}} Party'' and Tengen's unlicensed NES version of ''Tetris'' have a mode in which two players co-operate in dropping pieces onto the same field.

[[/folder]]

[[folder: Racing Game ]]

* ''VideoGame/MarioKart Double Dash!!''

[[/folder]]

[[folder: Real Time Strategy ]]

* ''[[Videogame/BattleZone1998 Battlezone II]]'''s MPI mode (Players versus AI) has one player take on the role of the [[ACommanderIsYou Commander]], who builds units and buildings. Other players on his/her team can be given units to order around personally, and they generally do most of the fighting against the AI team, leaving the commander and his PlayerMooks to defend the base.
* ''{{Pikmin}} 2''
* ''CommandAndConquerRedAlert 3''

[[/folder]]

[[folder: Rhythm Games ]]

* ''GuitarHero''
* ''RockBand''

[[/folder]]

[[folder: Shoot Em Ups ]]

* Most ''[[NineteenFortyTwo 1942]]'' games
* ''VideoGame/AeroFighters''
* ''VideoGame/CrimzonClover'' does not have it in the original version, which is to be expected of doujin shmups, but its arcade remake does. The PC port of the arcade remake, ''Crimzon Clover WORLD IGNITION'', keeps it.
* ''VideoGame/HeavyWeapon'' on the XBOX360 or PS3
* ''VideoGame/RadiantSilvergun''
* ''VideoGame/{{Raiden}}''
* ''VideoGame/{{R-Type}}''
* ''VideoGame/SmashTV''
* ''VideoGame/{{Thwaite}}'' expands on the play style introduced in ''VideoGame/MissileCommand'' by giving each of two players his own cursor and missile silo.
* ''VideoGame/TwinBee''

[[/folder]]

[[folder: Western [=RP Gs= ]]
]
* ''VideoGame/BaldursGate''
* ''Bloodwych'', a ''VideoGame/DungeonMaster''-like game with a split screen to accommodate two players simultaneously.
* ''VideoGame/{{Diablo}}''
* ''IcewindDale''
* ''VideoGame/NeverwinterNights''
* ''VideoGame/MassEffect3'', although allies are FriendlyFireproof, handwaved the same way as in the singleplayer.

[[/folder]]

[[folder: Unsorted/Miscellaneous ]]

* ''VideoGame/{{Gauntlet}}''
* ''VideoGame/MarioBros.''
* ''VideoGame/BattleCity''
* ''Warpman''
* ''DungeonSiege''
* ''VideoGame/{{Glider}}''
* Nearly every LegoAdaptationGame.
* ''VideoGame/{{Minecraft}}''
* ''VideoGame/ResidentEvilOutbreak'' (until its servers were shut down)
* Various single-player games like ''VideoGame/{{Rune}}'', ''SystemShock 2'', ''VideoGame/CommandAndConquerRenegade'' and ''VideoGame/{{Unreal|I}}'' have had their original campaigns superbly [[GameMod modded]] for coop MP by fans.
* ''TheSimpsonsGame''
* ''VideoGame/WorldOfGoo''
* ''VideoGame/ToejamAndEarl''
* ''HeavyWeapon'' (the Xbox 360 version)
* ''Main/SplinterCell'' Since the third game onwards.
* ''VideoGame/ObsCure'' (and it's sequel) allow for two players - with a slight case of Tag-along as only Player 1 has control of the camera
* ''[[VideoGame/{{Commando}} Mercs]]'' allowed for three players in its original arcade version, a feature brought back in ''Commando 3''.
* ''WesternAnimation/TheRealGhostbusters'' (ArcadeGame by Creator/DataEast)
* ''VideoGame/TheChaosEngine'' could either be played by two players or one player and an AI teammate.
* Creator/MidwayGames' ''Xenophobe'' handled three players on a split screen. Most ports supported two players only.
* ''VideoGame/MichaelJacksonsMoonwalker'': The SegaGenesis version allowed two players to be Michael; the ArcadeGame allowed three players.

!!Tag-along
One character is the designated "leader," and has more influence over the game itself, particularly the focus of the camera. The other characters are optional and often expendable and may be controlled by the computer.

Examples:
* In ''[[DeadRising Dead Rising 2]]'', the host player's progress through the story is used. The guest player starts with none of the items they have in their 1-player game, and when they leave they drop everything they're carrying. All the guest player keeps from co-op is any money and PP earned.
* ''Videogame/DeathSpank''
* ''DemonsSouls''
** ''VideoGame/DarkSouls''
* ''VideoGame/DonkeyKongCountryReturns'' plays this mostly straight, though Player 2 ''can'' continue the game by himself whenever Player 1 dies (as shown in [[http://www.youtube.com/watch?v=xiBB1iA-y7I this video]]).
* ''Halo 3''
* ''VideoGame/{{Klonoa}} 2: Lunatea's Veil'': a second player can control Popka, who can provide a massive bonus jump with a cooldown and, well, not much else.
* In ''VideoGame/MaddenNFL'' one player is responsible for calling plays. There is another variation with three players to a side, in which one player controls the quarterback and calls the plays, one player controls a running back, and the third controls a wide receiver.
* ''VideoGame/KirbySuperStar'' and ''VideoGame/{{Kirby}}'s Dreamland 3''
* ''{{Mercenaries}} 2''
* ''VideoGame/SonicTheHedgehog2'' and onward
* The 360 version of ''Spelunky'' is a mix of this and ''Individual.'' [[note]]One of the players controls the camera movements, but players can harm each other with items and the whip.[[/note]]
* The Subspace Emissary in ''SuperSmashBrosBrawl''
* ''Franchise/TalesSeries''
* ''VideoGame/WorldOfMana'' series
* ''VideoGame/GrandTheftAutoSanAndreas'', if only on the PS2 version.
* ''VideoGame/DriverSanFransisco'', Wii edition only. P1 drives, P2 shoots.
* ''VideoGame/StreetFighterXTekken''. You can manually switch characters, Launchers automatically switch the current character out, and there are two super move types that incorporate co-op gameplay- Cross Arts, where both players use a powerful move to deal huge amounts of damage, and Cross Assaults, where both players can fight together simultaneously. In single-player mode, the player controls both characters and their switching, while the AI fights with them during a Cross Assault.
* The co-op mode in ''VideoGame/AceCombatAssaultHorizon'' basically takes the single-player levels starring Col. Bishop (the main PlayerCharacter) and lets three players play as him and two unnamed members of his squadron, who are little more than {{Attack Drone}}s in single-player. The host of the game always plays as Bishop and basically directs the gameplay. Weirdly, one of Bishop's three wingmen, Guts, remains computer-controlled even in co-op.

!!Assistant
Secondary characters help with some other indirect force as a part of the user interface. In combat flight games, this is known as "pilot and gunner".

Examples:
* ''JetForceGemini'' lets a second player take control of Floyd after he's put back together. All the second player can do as Floyd is shoot enemies with what is basically an infinite-ammo pistol, except for specific areas where Floyd has to go it alone, where either player can control him.
* ''VideoGame/SinAndPunishmentStarSuccessor'' allows a second person to control another gun. The second player doesn't have any charge shots or melee attacks, and doesn't take damage. This does, however, mean that [[WeCannotGoOnWithoutYou the death of Player 1 is a Game Over for both players]].
* ''VideoGame/TheLegendOfZeldaTheWindWaker'' lets a second player connect a Game Boy Advance to the game in order to help the main player by droping bombs on his field and let him buy some items, as long as Link collects a certain object early on in the game.
* ''MechWarrior 3050'' features possibly the strangest example, allowing a second player to take on half of the controls used in single-player mode to act as a “weapons officer.”
* ''VideoGame/SuperMarioGalaxy'' allows a second player to fire Star Bits alongside the main player. This turns the game into a RailShooter for Player 2, with the "rails" being Mario's movement as dictated by Player 1.
** The sequel expands on this by adding an orange [[RidiculouslyCuteCritter Luma]] that can further assist Mario on top of the actions the second player did in the first game.
* F-15 Strike Eagle is a Jet Fighter game for the NES that practically NEEDED an assistant on the higher difficulties. On 'easy', the jet would practically fly itself (auto-speed, auto-level, auto-landing), you had 1 type of multi-purpose missile, and 1 type of counter-measure. On the hardest difficulty there were 3 types of missiles, 2 types of counter-measures, and you had to handle all normal flight controls (speed/leveling/etc...). Needless to say, with only 4 buttons there were LOTS of multi-button controls to switch which missile was loaded, or which C-M to launch, or how to adjust speed. The second player's controller did nothing BUT these secondary tasks.
* ''VideoGame/DriverSanFransisco'' allows an additional player with a Nintendo DS to [[HackingMinigame take some police attention away from the other player(s), place roadblocks, search the map for power-ups, and place a movable marker on the map.]]
* ''Franchise/StarWars Arcade'' has player 1 play as the pilot of an X-Wing; their cursor is fixed in the center of the screen and they must move around in order to aim. Player 2 can play alongside player 1 as the gunner, and can freely move their cursor around the screen.
* An arcade game, ''Lucky & Wild'', features player one having to simultaneously drive a car and shoot enemies. Player two can join in but only as an extra gun.

!!Progress in Turns
Essentially a single-player game where the game forces multiple players to take turns, a little like a SuccessionGame. Player 1 plays until he dies, then Player 2 plays until he dies, then back to Player 1, etc. Both players work toward a common goal and share progress. Individual players' scores may be tracked for competition.

Examples:
* ''SuperMarioBros.''
* ''VideoGame/DonkeyKongCountry''
* Creator/SegaPinball's ''Pinball/BatmanForever'' has a "league" option, where up to six players form teams of two, then play for a combined score against the others.

!!Tabletop Games
While most tabletop games center around player competition, there are also games where all players are on the same team, opposed only by the RandomNumberGod and MurphysLaw. [[https://en.wikipedia.org/wiki/Cooperative_board_game Cooperative board games]] are distinct from games with team-based competition, ones where you're expected to form dynamic alliances, and ones without any winning condition at all (like narrative games). One common addition to cooperative board games is the "[[TheMole traitor]]"--a player secretly working to subvert others' efforts--but unmasking the traitor is neither necessary, nor sufficient to win the game, so there is no real competitive element there, either.

* In any TabletopRPG where the words "PlayerParty" are used, the GameMaster completes the antagonistic triumvirate with the RNG and Murphy's Law.
* ''TabletopGame/ArkhamHorror''. The players are {{Occult Detective}}s trying to prevent the awakening of a Franchise/CthulhuMythos monstrosity.
* ''Battlestar Galactica'', based on the [[Franchise/BattlestarGalactica eponymous series]]. Features a Cylon (sleeper) agent as the traitor.
* ''Flash Point: Fire Rescue''. The players are firefighters trying to rescue as many people from a burning building as possible before it collapses.
* ''TabletopGame/{{Pandemic}}''. The players are scientists and emergency workers trying ([[NintendoHard usually, in vain]]) to stem four infectious decease outbreaks happening simultaneously across the world.
* ''TabletopGame/ShadowsOverCamelot''. The players are [[KingArthur Knights of the Round Table]] defending Camelot from a number of enemies and going on quests, while the (optional) traitor works to undermine their efforts.
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