Steam Co-Op Games in Common

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Audiosurf includes the "Double Vision" character, which places two cars on a four-track-wide course. Both players are on the same screen.Control is mouse for one player and keyboard for the other, or using one stick each on the same Xbox 360 Controller.

Left 4 Dead

Fight with up to 4 other players against the impending zombie horde. Cover, heal, revive, and protect your teammates.
Full drop in and drop out support including the ability to "pause" your character and let the AI take over.

To enable splitscreen, refer to this forum post.

Left 4 Dead 2

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.


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.


Shadowgrounds has co-operative multiplayer on the same computer for 2-4 players. Having more than one player in the game requires the use of gamepads. Other players will help Wesley Tyler in his alien-battling. The co-op mode was added very late in the development, as an extra bonus to fans and gamers. We had left co-op support out of the official development milestones, because we knew that Internet/LAN support was impossible. The coders decided that they wanted to have co-op on the same computer nevertheless, and created it on their spare time. It's possible to complete the game in co-op. It's not perfect but it should give a healthy dose of fun. And while the original Shadowgrounds campaign was not designed for co-op, who knows what some mods will do in the future...


Play through the entire campaign and challenge modes with a friend as you make your way off of a harsh alien world.

Portal 2

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.

Beat Hazard

Team up with a friend and groove out/shoot down foes to your favorite tracks. Beat Hazard Ultra DLC is required.

Shank 2

Two players can play locally or online in Shank 2s Survival Mode.

Serious Sam 3: BFE

Team up through the campaign with up to 15 other friends for frantic, old school, shooting action.

Trine 2

A side-scrolling puzzle-platforming game featuring up to three players working together to complete the campaign.


Shank has a 2 player co-op campaign with scenarios and bosses specifically designed for co-op.


Team up with up to four players who can choose various ships to power up.

Dungeon Defenders

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.


Three players can team up locally or online and play against bots.


In Pid's local co-op mode, each player controls a single beam of his or her own. That means they have to work together to cross gaps and avoid hazards.

Monaco: What's Yours is Mine

Team up with up to four people on the same screen or online to steal everything that isn't nailed down

Thunder Wolves

Take control of a mercenary helicopter with local 2 player co-op. One player pilots while the other shoots as the gunner through the full Thunder Wolves campaign.

No Time To Explain Remastered

Two players grab guns 'n stuff and head out on a shooty adventure.

TowerFall Ascension

"Quest Mode" allows up to two players to fight NPC's instead of one another. Basically, this is a standard "horde mode" featured in many modern games. There is friendly fire that can pose a bit of difficulty if players don't communicate well. Different strategies involving ammunition and loot sharing make the game much deeper than you'd expect.

The "Dark World" expansion introduces the all-new Dark World Mode - a co-op campaign for 1-4 players. Battle your way to hideous boss monsters, and face the brutal challenge of the added Legendary difficulty mode. Expand your roster of playable fighters with the undead pirate Vainglorious Ghoul and 9 more alternate archers.

Painkiller Hell & Damnation

Play through the campaign with a friend in co-op either online or locally.

Ring Runner

Co-op comes in two forms.

First, local co-op allows you to play two people in a single ship and play through much of the single player game, as well as all 5 of the co-op modes.

Second, online co-op allows you to play with other players in one of the game's 5 co-op modes. These modes are:
- Space Defense League (SDL): think League of Legends/DOTA, minus the character leveling. Supports up to eight players
- Zombie Survival: fight off waves of basic “ship zombies” with a few special “zombie” types tossed in the mix. Supports up to four players
- Wave Survival: fight off waves of enemies that vary in hull, archetype, and attack strategy. Supports up to four players
- Gladiator: battle through as many of the game’s bosses as you can. Supports up to four players
- Spire Battle: destroy the other team’s base before they destroy yours. Supports up to eight players

LEGO Marvel Super Heroes

Lego Marvel Super Heroes lets you take control of your favorite Marvel heroes with over 100 unlockable characters, including Spider-Man, Iron Man, Wolverine, Captain America, the Hulk, Thor, Black Widow, Hawkeye, Deadpool, Loki and Galactus. 2 player local co-op will be featured throughout the campaign

Hero Siege

Players team up in as one of 7 classes like the Viking, Pyromancer, Pirate, and More! Character progression is persistent and saved to the player.

Goat Simulator

Players will be able to play the game in a split-screen mode and wreck goat havoc on the world.


Get four players together to prove how much you hate terrorism. Prove it with guns!

BattleBlock Theater

BattleBlock Theater features a co-op campaign for two online or local players. Four local players can play nine different Arena modes against bots.

Human: Fall Flat

A second player can join in the hilarity at any time locally. The PC version also supports up to 8 players online. One player acts as the host and creates a lobby that can be set to Private so only friends can be invited/join.

Renegade Ops

Team up online with up to four people for destructive co-op action.