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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Sniper Ghost Warrior 3
Go behind enemy lines with the ultimate modern military shooter. Play as an American sniper dropped in Georgia, near Russian border. Choose your own path to accomplish your missions across an unforgiving open world.
Halo Wars: Definitive Edition
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
White Noise 2
Enjoy a 4vs1 asymmetric horror experience like no other. Be a part of the investigator team, or take control of the creature and devour them!
Soccer Online: Ball 3D
Soccer simulator. Control one player and kick the ball high or low, hard or lightly, curve, dribble and perform tricks. Play online or with bots. Join over a million players who have already played. Buy now and have fun or wishlist for later.
Guns of Icarus Alliance
Own the skies in steam-powered airships! Guns of Icarus Alliance is a team-based online game that pits co-op crews against both rival teams and an AI that learns your tactics. Players become part of the story as each battle shapes history in an ever-changing steampunk world.
Day of Infamy
Experience close-quarters battles in iconic WWII settings. Defend the line, storm the beach, torch the enemy, or use a radio to call in fire support. Day of Infamy is a teamwork-oriented shooter that will keep you on your toes and coming back for more with its diverse game modes and authentic arsenal.
Toukiden 2
Slayers! Go forth and eradicate the Oni menace! Experience the latest hunting action game featuring a dynamic targeted destruction system! The latest installment in the hunting action series "Toukiden".
Tom Clancy's Ghost Recon® Wildlands
Create a team with up to 3 friends in Tom Clancy’s Ghost Recon® Wildlands and enjoy the ultimate military shooter experience set in a massive, dangerous, and responsive open world.
Tanki Online
Tanki Online is the free-to-play MMO-shooter with real-time PvP-battles. Throw yourself into furious tank battles shoulder to shoulder with other living players and master your skills – destroy enemy tanks, customize your futuristic armored vehicle and compete with tankers from all over the world.
River City Ransom: Underground
Alex and Ryan must take to the streets to help a new crop of fighters. You'll earn money, unlock moves, and upgrade your skills in a sprawling city. This modern take on an old classic features over 500 unique street fighting moves, dozens of weapons, and fun online multiplayer modes.
Shift Happens
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
theHunter: Call of the Wild™
Discover an atmospheric hunting game like no other in this realistic, stunning open world – regularly updated in collaboration with the community. Immerse yourself in the single player campaign, or share the ultimate hunting experience with friends.
We Were Here
Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time?
Rocketbirds 2 Evolution
The original Coq of War returns in a glorious explosion of finger-licking fun; with enhanced controls, new upgrade systems, a full single player campaign in “Part 1: The Cockup” with full VO and OST - and a 1- 4 player campaign in “Part 2: The Rescue” with procedurally generated maps.
Mysterium: A Psychic Clue Game
Mysterium is a cooperative deduction game set in the 1920s in which a ghost guides a group of psychics to uncover a murderer, as well as the weapon and location of the murder, using only visual clues.
8-Bit Invaders!
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
Heaven Forest - VR MMO
The pressing human questions about life depend directly on our attitudes toward the universe. You'll find the answers you're searching for through a series of reasonings and clues during your journey in this game as well as in your own life.