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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UNDEFEATED
Become an invincible hero with unlimited super powers on UNDEFEATED!
HALF DEAD 2
Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!
We Need To Go Deeper
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
Warhammer 40,000: Inquisitor - Prophecy
Foul Tyranids rampaging on barren worlds; the mysterious Aeldari waging war on the Imperium; a prophecy that could change the fate of an entire Sector. Purge the unclean with the new Tech-Adept Inquisitor and carry out the Emperor’s will in the grim Action-RPG “WH40k: Inquisitor - Prophecy”.
The Designer's Curse
Chapter 2 is OUT NOW! The first chapter of an unforgettable survival horror experience. Solve puzzles and work your way through this terrifying place. You may be more familiar with it than you initially think.
The Blackout Club
The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.
The Orville - Interactive Fan Experience
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Dead Frontier 2
Survival horror MMO. As one of the few survivors of the outbreak, you must scratch a living out of the decaying ruins of society. Scavenge for supplies, improve your skills, and trade with other players. All the while, keeping your eyes peeled for the infected lurking around every corner.
Streets of Rogue
Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.
EARTH DEFENSE FORCE 5
Stand and fight for humanity. This arcade shooter takes place in the year 2022, as the Earth Defense Force fends off an all-out attack by unknown life forms. Become an EDF soldier, battle against endless hordes of immense enemies, and restore peace to the earth.
Kingdom Wars 2: Definitive Edition
An intense real-time strategy game set in a dark fantasy world of Orcs, Elves and Dragons. Kingdom Wars 2 combines the best of Zombie survival and crafting with complex fast-paced city building. Fight massive siege battles that turn beautiful landscapes into gory blood-soaked battlefields.
Survive on Raft
Survive on Raft is a Survival Sandbox Simulator on the Raft in the middle of the ocean! Fight with shark, build base, craft, loot islands, farm and survive. Play solo or with friends.
HARDCORE MECHA
HARDCORE MECHA is a 2D platformer action focusing on a better handling. The Campaign mode offers rich gameplay and seamless in-game cut-scenes for an immersive experience. Choose your favorite mecha, experience the fast-paced hardcore competitive battle of steel in Multiplayer!
Ironsight
Online FPS game, near future background, Resource Warfare between Military Forces and PMC. More than 50 kinds of original weapons with customization option. Use Peripheral objects, Tactical drones, Active objects to experience dynamic warfare.
Conqueror's Blade
Master the art of siege tactics in Conqueror's Blade, a tactical action MMO brought to you by Booming Tech. Create your hero, command medieval units, and ride out for epic online battles in a vast new world. Play for free today!
Conan Unconquered
From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.
Assetto Corsa Competizione
Assetto Corsa Competizione, the official GT World Challenge videogame. Thanks to the extraordinary quality of simulation, you will experience the atmosphere of the GT3 championship. Compete against official drivers, teams, cars and official circuits reproduced to the highest quality ever seen.
SpellForce 3 Soul Harvest
Three years after the Purity Wars, Nortander is on the cusp of a new era.
Splitgate
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.
Interstellar Transport Company
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
Minion Masters
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
Team Sonic Racing™
Team Sonic Racing combines the best elements of arcade and fast-paced competitive style racing as you face-off with friends in intense multiplayer racing.
Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
Sniper Elite V2 Remastered
In the dark days of the end of World War 2 amidst the ruins of Berlin, one bullet can change history… Elite sniper Karl Fairburne returns to the front line in the remaster of this award-winning stealth-action experience. Packed with new features, contemporary visuals and definitive content.
Thea 2: The Shattering
In the dark lands inspired by Slavic myth, life is a struggle for survival against ever increasing odds, be it natural or malevolent. Can you lead your flock to prosperity in this innovative blend of 4X strategy, RPG and card game?
Never Split the Party
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
Micro Mages
Micro Mages is a platformer developed for the original 8-bit NES console. Now on Steam! ROM included. Play solo or with up to 4 players simultaneously. Compete over score or cooperate to overcome challenging levels.
KurtzPel
"KurtzPel is an anime-styled, action battle game from a third-person perspective. Players can battle it out in both PvP and PvE mission-based battle modes with massive boss monsters. Players utilize Karmas (the method used to indicate weapon and class types) when charging into battle. Each character gets to use two types of Karmas.
Fade to Silence
Fade to Silence is a single-player and co-op survival adventure set in a post-apocalyptic world that is frozen in an eternal winter. Snow and ice have shaped a merciless landscape. Nature is corrupted. Monstrous creatures out of an Eldritch horror dream roam the frozen wasteland.
BLOCKPOST LEGACY
Procedural cubic 3D-shooter in the best traditions of the genre. The game is a rich cocktail consisting of the most popular and functional gaming solutions. Customization of characters, opening cases and improving the existing arsenal — all this is available in the game now!
Race for Tuning
The city at night, the roar of the engine, nitrous, neon, a tuning... What else do you need for a street race? Burn rubber and become the king of the streets!
Granny Simulator
In Granny Simulator there are two players, a feeble old grandmother and her lovely grandson. The grandmothers objective is to complete her every day routine while the grandson utilizes uncanny violence and pure brutality to stop her.