Best Online Co-Op Games on Steam
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games.
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FINAL FANTASY XIV Online
Join over 30 million adventurers worldwide and take part in an epic and ever-changing FINAL FANTASY. Experience an unforgettable story, exhilarating battles, and a myriad of captivating environments to explore.
METAL SLUG 3
“METAL SLUG 3”, the masterpiece in SNK’s emblematic 2D run & gun action shooting game series, still continues to fascinate millions of fans worldwide to this day for its intricate dot-pixel graphics, and simple and intuitive game controls, heads out to the Steam gaming platform!
Double Dragon: Neon
BRO-TACULAR! Legendary martial artists, Billy and Jimmy Lee return in this creative re-imagining of the classic beat ‘em up, Double Dragon Neon. Fight your way through countless henchmen including Linda and Abobo on your way to rescue the love of your life, Marian!
CastleMiner Z
CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.
Original War
An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.
Insurgency
Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.
Viscera Cleanup Detail: Santa's Rampage
Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!
Tiny Brains
"Tiny Brains" is a cooperative action puzzler that follows four super-powered lab animals in their attempt to escape a mad scientist's experiments. In this joyously chaotic multiplayer game, the four "Tiny Brains" must combine their unique physics-based powers to navigate through a trick-ridden maze.
Bloody Trapland
Bloody Trapland is a fast-paced multiplayer platformer where the levels are filled with dozens of dangerous traps and tricky jumps that stand in your way! Play co-op with your friends or take on the challenges on your own. With support for up to 4 players at once, local and/or online.
Baldur's Gate II: Enhanced Edition
Rediscover the beloved RPG classic— now enhanced for modern adventurers! Gather your party of heroes and continue the legendary adventure in this story-rich fantasy epic where every choice matters.
Risk of Rain (2013)
Risk of Rain is an action platformer with roguelike elements. With permanent death as a primary feature, players will have to play their best to get as far as possible. Fight on a mysterious planet with randomly spawning enemies and bosses, either alone or with 3 friends in online co-op.
Final Exam
Jump into the frenzied action and the whacky humor of a pure 2.5D side-scroller! While they were going to their old high school for what was supposed to be the party of their life, four long-time friends end up in a ghost town full of monstrous creatures.
Sniper Elite: Nazi Zombie Army 2
** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Experience a terrifyingly intense co-op campaign for up to four players in this gut-wrenching sequel to Steam best-seller, Sniper Elite: Nazi Zombie Army.
No More Room in Hell
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.
FORCED: Slightly Better Edition
FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death!
Path of Exile
You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.
Farming Simulator 2013 Titanium Edition
Animal husbandry, crops, sales… It's up to you to manage and grow your own farm in a huge, totally new world!
Arma 3
Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.
Total War: ROME II - Emperor Edition
Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch.
PixelJunk™ Monsters Ultimate
Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.
Tom Clancy’s Splinter Cell Blacklist
In this stealth-action thriller, a terrorist group known as the Engineers launches the Blacklist, a series of escalating attacks on US interests. Only one man can stop them: legendary covert agent Sam Fisher.
Saints Row IV: Re-Elected
Experience the insane antics of Saints Row IV. The Saints have gone from the Penthouse to the White House - but Earth has been invaded and it’s up to you to save it with an arsenal of superpowers and strange weapons, in the wildest open world game ever.
Hammerwatch
A hack and slash action adventure, set in a fantasy pixel art environment. Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles.
Dota 2
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
Company of Heroes 2
Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.
Dungeons & Dragons: Chronicles of Mystara
Dungeons & Dragons: Chronicles of Mystara brings reworkings of two of Capcom’s classic arcade hits - Dungeons & Dragons: Tower of Doom and Dungeons & Dragons: Shadow over Mystara – together in one definitive digital package.
Trine 2: Complete Story
Three Heroes make their way through dangers untold in a fairytale world, featuring physics-based puzzles, beautiful sights and online co-op.
Resident Evil Revelations
Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.
Sanctum 2
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
Zeno Clash 2
Ghat's story is far from over: Zeno Clash 2 picks up where the deliciously brazen first game left off. After 4 years of waiting, the sequel to the surreal first-person brawler brings more variety in combat and levels, and even more bizarre storytelling into the beguiling world of Zenozoik.
Cry of Fear
Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.
Monaco: What's Yours Is Mine
Monaco: What's Yours Is Mine is a single player or co-op heist game. Assemble a crack team of thieves, case the joint, and pull off the perfect heist.
Sacred Citadel
Sharpen your axe, string your bow, brew your potions! Ancaria needs heroes like you. Grab your friends to join the resistance!The once peaceful land of Ancaria is in grave danger. The evil Ashen empire has enslaved its population and is using the orc-like Grimmoc to wipe out the Seraphim, who swore to protect it.
ORION: Prelude
Work together to survive the devastating Dinosaur horde in huge, endless environments.