Best Online Co-Op Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Online Co-Op games on Steam.
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Dead Rising 3 Apocalypse Edition
Explore the zombie-infested city of Los Perdidos, and find a way to escape before a military strike wipes the entire city, and everyone in it, off the map.
How to Survive
“A real Gem” – Destructoid at E3 “Offers a different experience for zombie game veterans” – Co-Optimus“Has a lot more going for it than smashing brains and gory, red goo ... With a surprisingly deep crafting system” – GamesRadarYou're shipwrecked on an isolated island, a desperate castaway in a total freakshow world. How will you survive?
Lethal League
Lethal League is a competitive projectile fighting game where you have to hit an anti-gravity ball into the face of your opponent to win. The ball speeds up with every strike, up to explosively extreme velocities. Play intense local matches with friends and foes, challenge yourself in the singleplayer mode or battle it out online.
Battle Islands
Battle friends over air, land and sea in this epic WW2-themed battle strategy game.
Mount Your Friends
Experience the extreme simulated sporting sensation that's sweeping our digital nation! Mount Your Friends is a fiercely competitive sporting event for you to play with your friends in the contextual security of your own home, assuming that your home is not composed of sexual innuendo.
UnEpic
Daniel was just an average guy. He was a great videogame player, a big fan of sci-fi movies, and a novice RPG player. In the midst of an RPG, he was teleported to a castle. At first, Daniel believed that he was having a massive hallucination.
Terrorhedron Tower Defense
Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.
Contraption Maker
The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.
Sniper Elite 3
Sniper Elite 3 is a tactical third-person shooter that combines stealth, gameplay choice and genre-defining ballistics with huge, open levels and the exotic terrain of World War 2 North Africa.
White Noise Online
A fully cooperative horror experience like never before! On White Noise Online, a team of up to 4 investigators has to explore an area looking for clues, while avoiding being devoured by a supernatural creature. Will you be able to uncover the truth behind the mysterious events?
BattleBlock Theater®
Welcome to BattleBlock Theater! You’ve got no where to go but up...on stage. Play single player or co-op to free your friends and save Hatty Hattington! Jump, solve and battle your way through a mysterious theater inhabited by highly technological felines.
Fistful of Frags
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
ArcheBlade™
ArcheBlade is a free to play 3D multiplayer fighting game that captures the essence of combo-based fighting games combined with unique game modes. Play as one of many characters and master your skills to become the best fighter.
Space Farmers
Grab a friend, grab a gadget, grab a gun and get ready for the most fun you'll ever have in a co-op game!
FootLOL: Epic Soccer League
The craziest soccer management game you have ever played! Use mines, aliens, cows, guns and other crazy cheats to decimate the opposing team and protect your players. Play against your friends or AI opponents!
NEStalgia
NEStalgia is an original MORPG inspired by the glory days of traditional console RPGs. Essentially "Dragon Warrior 3 meets World of Warcraft", NEStalgia is an amalgam of the best generations of RPG gaming. You can play solo, in private games with friends, or online with hundreds of other players!
Yet Another Zombie Defense
Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.
Call of Duty®: Ghosts
Outnumbered and outgunned, but not outmatched.Call of Duty®: Ghosts is an extraordinary step forward for one of the largest entertainment franchises of all-time. This new chapter in the Call of Duty® franchise features a new dynamic where players are on the side of a crippled nation fighting not for freedom, or liberty, but simply to...
Mercenary Kings: Reloaded Edition
Craft your arsenal to avenge your fallen comrades and save the world from the fearsome forces of CLAW!
Obscure II (Obscure: The Aftermath)
Two years ago, a group of young teenagers found themselves trapped inside their school. They suffered through the longest night of their lives, chased by abominable creatures created by their principal. Some of them survived that terrible night, while others perished.
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!