Fight with up to 4 other players against the impending zombie horde. Cover, heal, revive, and protect your teammates.
The Classic Serious Sam game is back with updated visuals for the PC on a brand new engine. Team up in this no holds barred shooter.
Take the role of a different set of survivors as you use all new blunt force weapons, chainsaws and new guns in the sequel to Left 4 Dead. Teamwork is even more crucial as high intensity moments require greater communication to survive.To enable split screen refer to this post.
This arcade style shooter looks to be Assault Heroes meets Marble Blast Ultra as up to four players take control of a madball and destroy everything in their path.
Co-Op is available through the game's story mode as well as in a brand new survival co-op mode.
Research is shared between players when choosing to play on the same team. If both players research the same item, the time it takes is reduced. When one player discovered a technology, the other gets it as well.Players share the benefits of landmarks, ruins, and other discoveries on the map.Players share the map. Diplomatic options are available as well to trade resources, gold, and units.Co-Op is played in multiplayer with each player picking to join the same "team." It's assumed a balance of 3 players vs 3 AI are chosen, but you can weight it to 3vs1vs1vs1 or 3vs2 or 2vs1, etc.
Team up with friends in this twin stick shooter meets puzzle game hybrid.
Up to six players can team up online or via LAN to battle their way through the campaign
Players can take the role of point man, the main character from previous FEAR titles or Fettel, a pscho-kintetic character that can inhabit the bodies of enemies in two player online co-op.In addition the game features two survival style online co-op modes for four players.
Portal 2 will have a co-op campaign. Players take control of a robot and work through puzzles that require two players to work together to solve.
Play through co-op specific missions based on the single player game or kill endless swarms of aliens in a survival mode.
Terraria is a world building open ended side scrolling action game. Think of it like Minecraft in 2D.
2 players can tactically strategize and execute plans through the 70 mission campaign and extra challenge mode missions. Hotseat multiplayer is available for local co-op play. 2vAI (i.e. two players playing together against an AI opponent) is available in the Frozen Synapse: Red expansion.
Play through co-op specific missions based on the single player game or kill endless swarms of aliens in a survival mode.
Team up through the game's campaign or bonus missions.
Play one of three unique classes in up to 3-player co-op in either split-screen, online, or mixed co-op. Battle through the campaign or a handful of challenge missions (horde-mode style) to level up and gain new skills.
Play online with friends as each player can choose one of four characters.
Four player co-op is available in all game modes and types including a story mode and an unlockable survival mode. While you can't drop in to a game, you can drop out and not break the session if you aren't the host.
Team up online with four players to survive a zombie infested island. Players can trade items and weapons, drive each other around, revive fallen teammates, and kick the crap out of zombies.
Up to four players can join this game via shared screen (couch co-op), both offline or offline.
Four player online or LAN play with drop in/drop out support.
Two players can play locally or online in Shank 2s Survival Mode.
Play against the computer with up to 2 friends in a skirmish mode.
The entire Saints Row: The Third experience can be enjoyed by two players through online play or system link. The game requires an online pass for co-op play.
Team up as one of four characters each with their own unique abilities and traps to conquer dungeons in this tower defense action/RPG hybrid.
Team up through the campaign with up to 15 other friends for frantic, old school, shooting action.
A side-scrolling puzzle-platforming game featuring up to three players working together to complete the campaign.
3 players can team up through the campaign while 6 players can team up for a survival mode!
The Vendettas co-op mode is a separate story in which players can choose from four different characters and level them up in co-op play.
Team up with friends in this over the top action game.
4 players can team up to take on the game's skirmish missions. Players can assume "direct control" mode or traditional RTS mode.
Team up with friends through the game's co-op "Lantern Run" mode which involves a tactical approach to lighting and surviving.
One person builds, the other person rains fiery death from the sky in the Duo Campaign mode; or team up with up to 3 of your friends to take on ever increasingly difficult wave of creeps in the Cooperative multiplayer mode.
Team up with a friend and groove out/shoot down foes to your favorite tracks. Beat Hazard Ultra DLC is required.
Up to five players can work together to accomplish objectives and survive the devastating Dinosaur horde.
In Dead Men Walking co-op mode, fight waves of enemies as Max and Passos, earning Grit, which is used to unlock new areas of the map, weapons, weapon attachments and ammo. This mode was added as paid DLC on 1.22.2013 and is a required add-on for cooperative play.
Three players can team up locally or online and play against bots.
Players work together using four different classes of characters to complete quests, gather loot, and trade items. All three systems support online co-op. Local co-op is available on the console versions.
Select a pair from the dirty half-dozen Budgie commando characters and set out on a mission to save the daughter of a general in 10 co-op missions.
Co-op drops Biggs and Smalls into a single large board and plays out similarly to the Survival mode. Both players work together to clear critters and set up combos for one another while trying to achieve as high a score as possible.
The game allows 4 players each to choosw a character and embark on a journey to defeat countless hordes of enemies and save the princess.
The game is playable in 4 player co-op as of the latest update.
Play through the campaign with a friend in co-op either online or locally.
Team up with up to 16 players through the game's story. Other players are part of the host's players squad. Progress for guests does not carry back to their own save.
Work with a crew of players as you pilot your airship and engage in combat with other players from around the world.
Play as the Sorceresses or War Mage through the game's levels in two player co-op.
Operation Stonewall is the lone co-op mode in Tales of Valor. It throws up to four players into a scenario where they defend a town against an all out attack by an overwhelming AI opponent. You'll have to use everything at your disposal to try and hold out.
Infestation is an online co-op swarm mode. 4 players can join together to take on increasingly difficult waves of enemies.
Team up with up to four people on the same screen or online to steal everything that isn't nailed down
Team up with three other players and show off your customized Trenched Mech as you work together. The game also features a revive mechanic and will scale difficulty based on the number of players.
Aliens: Colonial Marines story is fully playable in four player co-op. In co-op mode, each player will assume the persona of a United States Colonial Marine and have a distinct role to play in the completion of every mission.
In general, Co-op missions are for a squad of 4 players against AI bad guys ending with controlled enemy bosses. There are several variations of co-op missions, mostly related to difficulty, including ones with a larger number of player-characters. There are also higher level PvE missions that will be available to subscribers, yielding elite components and loot.
Team up with three other knights and defeat enemies, collect loot, and solve puzzles.
Fight the mysterious invaders with up to three of your friends in the new Campaign mode through many missions that will test your teamwork, strategy and quick thinking.
Combat Arms offers a mode called "Fireteam" in which 8 player cooperate to complete objectives like rescue hostages and disarm bombs.
The 4-player co-op mode will feature various levels of difficulty, all resulting in an assortment of rewards.
Team up with friends in this silly hack and slash action/RPG.
Team up in a PvE experience with friends.
Form Battle Groups and charge the enemy with everything you've got!
New Co-Op game mode â€˜Assaultâ€™: Challenges players to defend a strategic location against waves of enemy ground vehicles or aircraft. For tankers, combat is fought tank to tank on the ground, with the ability to temporarily support teammates in attack aircraft or bombers. Pilots are tasked with maintaining air superiority over a zone by fending off enemy bombers approaching from all directions. As each successive wave is stronger than the previous one, players have to work together to hold out until the end, upon which they will receive well-deserved rewards.
Form a party of up to 6 players online to adventure through randomly generated areas. Players can join the party at any time and port into a private area that their party has already created. Choose from six classes in this highly character-customizable ARPG.
Sanctum 2 is a sequel 2009's Sanctum, a hybrid FPS/Tower Defense game. To succeed you have to construct and upgrade defensive structures. What makes Sanctum unique from other tower defenses is that when the havoc starts, you jump right into the action with your own weapons and play a key role in the defense.
Enlist Your Shipmates: Bring along up to 3 other players for five individual challenge missions, or a full co-op campaign spanning nine levels
Co-op play allows up to four players to tackle the main campaign together. The game was designed with a tense, stranded and alone sort of ambience in mind, however, so first time System Shock players should consider doing a solo run before inviting friends in on the fun.
Four players can team up online in Invasion mode. They must work together to defeat progressively harder waves of robot attackers.
Zero Point Software aims to have the entire game playable in co-op, but for now they are releasing update by update to integrate co-op gameplay into the game. Currently there is one co-op mission: The NeuroGen Incident, is available now and propels you into the middle of a pivotal mission in the Interstellar Marines universe. Play single-player or co-op with up to three friends in intense action.
One player assumes control of the dragon commander in battle while the other commands the forces at land, sea and air.
Each player takes the role of Chuck, the game's main character - but they can completely customize the look of their character as they take on hordes of zombies together.
Solo or cooperate in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique enviroments with traps, hidden secrets and puzzles.
Team up with 4 friends to fight your way off an alien planet with up to 10 playable characters, randomized levels, and a difficulty level that increases the longer you play
Up to 4 players take perform multiple bank heists and robberies spanning over 30 missions. Gameplay is heavily improved and expanded since it's prequel, with a number of new abilities and items.
FORCED is centered on a number of unique and interesting challenges geared towards the number of players present. Additionally, a cooperative combat system is implemented where players can place â€˜marksâ€™ on enemies with special attacks, and thus increase the potency of other players' attacks against the foes.
Team up in local or online co-op through the game.
Team up against the AI in a skirmish mode or custom matches. Player choose class based characters with complimenting abilities from the Lord of the Rings franchise.
You and some friends can team up against the AI in 2v2, 3v3, or 4v4 matches, either online or split screen.
Play online with up to 7 friends in CastleMiner Z's infinite world in a variety of modes. Go for endurance, survival, or creative mode as you build structures, craft weapons, and explore the world.
Deadfall Adventures features a co-op survival mode.
Team up against the AI in the game's skirmish mode.
As of now, all co-op features of Grim Dawn are unconfirmed with the exception that the game will have co-op throughout the main quest as well as co-op challenges.
Players can team up with other survivors in local and online multiplayer story and challenge modes to take on a growing array of the infected. As of now the local and online co-op differs slighty in terms of story.
Rescue survivors with a team of friends from a zombie outbreak.
Up to four players can join forces to combat the bogged down back roads. Assisting your fellow drivers via winch or a good old-fashioned nudge is key to victory.
Hunt down scientific monstrosities with up to 4 players online as Van Helsing and other members of the Hunter's Guild.
Up to four players can each take control of one of the agents during a mission to complete objectives. Progress is saved with the host. <strong>NOTE</strong> - Co-Op isn't quite available yet. It will be released as a future patch for the game.
Controls minions with your best (evil) friend as you terrorize the country side.Overlord is set in an unnamed fantasy world, where the player takes the role of a resurrected warrior known simply as The Overlord who has control over hordes of gremlin-like creatures known as "minions". The player must defeat seven corrupt ruling heroes in order to reconquer the lands and establish his lordship over its inhabitants. The game features a corruption feature, similar to that of the Fable games, but allowing the player to "be evil... or really evil", where certain actions and choices affect different aspects of the story and gameplay. While controlling the Overlord in a third person perspective, the way minions are controlled to battle and perform actions brings elements of real time strategy, with upgrades bringing those of role-playing games. The game also uses black humour and often parodies and satires the traditional fantasy setting and plot.
The core game is built around its four player co-op campaign, but Red River will also feature separate co-op modes with various objectives.
Get four players together to prove how much you hate terrorism. Prove it with guns!
Team up with friends and work to capture and defend checkpoints against enemy AI across numerous maps. One player acts as a squad leader giving orders.
Local and online two player co-op expands the playable area while adding more enemies and modified patterns.
Brawl with up to three players in couch co-op, LAN, or Online multiplayer.
Defiance is an MMO, so you can meet and interact with a massive amount of other people. Dozens of players can participate in Arkfall events, but story mission groups and co-op instances are limited to four players.
Squad up with up to 5 players and take on story based missions or survival like thumper missions.
The sandbox just got larger with a totally transformed and expanded city of Stilwater, offering all new locations to explore with new vehicles, including motorcycles, boats, helicopters and planes. Saints Row 2 will be playable online in 2-player co-op through the entire single-player campaign or in the all new open-world competitive multiplayer mode never before seen in the genre.
Play through the entire game with a friend - bring in your own character with all of your customizations and upgrades. Both players keep the spoils of the Saints.
Play through co-op specific scenarios with your friends.
In The Red Solstice you control one of the eight space marines that are trying to find out what happened to human colonies on Mars during the huge storm called The Red Solstice. Choose from 8 different classes and level them up in an experience-based character advancement system
Two players may team up locally or online to battle through a procedurally generated world and attempt to awaken the warlock from his nightmares. Defeating the final boss in the game contributes to a larger community goal that unlocks more content for the game
A side-scrolling puzzle-platforming game featuring up to three players with different abilities working together to complete the campaign.
Play as Lara or Totec in this isometric view shooter/puzzle hybrid where players must work together to kill enemies and solve environmental puzzles.
The cooperative multiplayer experience in "Ryse: Son of Rome" plunges you into the brutal world of gladiatorial combat. You fight across a dozen levels set in the Colosseum with varying objectives. Earn experience and gold, buy booster packs, and customize your gladiator up to level 100.
A four player roguelike with tower defense elements. Explore your way through randomly generated rooms and mount defenses against hostile aliens in a pixelated top-down action RPG.
Team up with friends and choose your heroes, the villain you wish to face, and the environment where you wish to do battle. Each player has their own deck of cards unique to a particular hero, who has their own power, and it is the goal of the team to work together in order to defeat the nefarious foe
Up to three players can join to rid the negative thoughts in your mind by surviving waves of enemies.
Join forces with up to three other players in a non-dedicated server as you battle for survival in a dangerous world filled with dinosaurs.
Play through all of the single-player campaign levels with a friend.
Note: Getting co-op/multiplayer to work via the DosBOX emulation that runs this game now requires tinkering with a few things. There's a post on the Steam forums that details the steps to get this up and running.
The original Duke Nukem supported 4 players.
In Vermintide, the city of Ubersreik is under siege as players select from a band of five heroes with different play-styles and abilities, all equipped with unique gear and personalities. Working together cooperatively, players must use their individual attributes to survive an apocalyptic invasion from hordes of relentless, power hungry Skaven, across a range of environments stretching from the top of the Magnus Tower to the bowels of the Under Empire.
The game is designed for co-op, as the horde can easily overrun a single player. A multitude of varied playable characters await for players to choose from as they enter the fray in online co-op mode
Similar to prior Total War games, two players can work together to conquer the game's campaign mode.
In addition to traditional multiplayer modes, cooperate and compete with your friends in a wide variety of situations all designed to be easily completed in a single session.