Best 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 co-op games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Co-op games on Steam.
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Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
The Lord of the Rings Online™
Join the world’s greatest fellowship of players in the award-winning online re-creation of J. R. R. Tolkien’s legendary Middle-earth.
Max Payne 3
No longer a New York City cop, Max Payne moves to São Paulo to protect a wealthy family in an effort to finally escape his troubled past. This complete edition of Max Payne 3 includes the complete original game and all previously released downloadable content.
Sonic the Hedgehog 4 - Episode II
The Sonic 4 Saga continues in Episode II with the return of a beloved side kick and fan-favorite villains! Following the events of Episode I, Metal Sonic has returned to form an alliance with Dr. Eggman! To face this new evil, Sonic will have to call upon an old friend to help him save the day!
Aliens: Colonial Marines Collection
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
Binary Domain
Set in futuristic Tokyo, take control of the robotic community before they control everything!
Insanely Twisted Shadow Planet
In this Insanely Twisted, 2-D action-adventure game, explore unique environments and battle bizarre creatures.
Rayman® Origins
Experience the magical universe of Rayman with legendary 2D gameplay that has captured the hearts of millions of fans!
A Total War Saga: FALL OF THE SAMURAI
Experience the dramatic conflict of samurai culture and modern weaponry between the Imperial throne and the last Shogunate in 19th century Japan.
Wargame: European Escalation
The New Fatal Error DLC includes a new 5-mission Operation and touch-screen controls.
Realm of the Mad God Exalt
Embark on an exhilarating journey into the pixelated Realm of the Mad God! Join, an action-packed, free-to-play MMO bullet hell game. Discover a world with danger, challenges, and hidden treasures as you battle through waves of enemies. Team up with players and conquer dungeons to become a legend!
The Darkness II
An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror.
Shank 2
The fan-favorite 2D brawler is back as ex-mob hit man Shank returns to action in Shank 2. With those closest to him under attack, Shank is once again forced on the offensive. Now he must put his trusty arsenal of handguns, shotguns, automatic weapons, chainsaws, machetes, grenades, plus all-new weaponry and moves to use in order to...
Star Trek Online
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Serious Sam 2
Serious Sam 2 is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!
Evochron Mercenary
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Earth Defense Force: Insect Armageddon
Thousands of giant insects and aliens once again ravage the earth, and only the Earth Defense Force can stop them.
APB Reloaded
The world’s first and premier Action MMO Third Person Shooter allows you to choose between two sides of the law. Play as Enforcer or Criminal, customize your gear for the task at hand and hit the streets and play how you want in a city filled with more action this side of a Hollywood blockbuster.
Serious Sam 3: BFE
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
Saints Row: The Third
Get ready for the most out-landish gameplay scenarios ever seen as the Third Street Saints take on the Syndicate!
Call of Duty®: Modern Warfare® 3 (2011)
The best-selling first-person action series of all-time returns with an epic sequel to the multiple GOTY award winner Call of Duty®: Modern Warfare® 2
DC Universe™ Online
DC Universe Online is a Free-to-Play, massive multiplayer online action game set in the popular DC Universe. Become one of a new breed of Heroes or Villains and wield incredible powers as you go to war with legendary characters such as Batman, Superman, Lex Luthor and The Joker.
Renegade Ops
Blast your way through enemy lines to defeat Inferno, a madman intent on global domination. Destruction just got awesome.
The Haunted: Hells Reach
Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.