Best Co-op Steam Games on Sale

Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated co-op games.

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Men of War: Vietnam Men of War: Vietnam brings the acclaimed real-time tactics series into a new theater of war – the jungles of Southeast Asia, 1968. Experience the chaos of the Vietnam War through two story-driven campaigns that reveal both sides of the conflict.

Price -95% 0.41€
Rating 6.3
Release 08 Sep 2011
Rock of Ages A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!

Price -96% 0.44€
Rating 8.8
Release 07 Sep 2011
Warhammer 40,000: Space Marine - Anniversary Edition In Warhammer 40,000 Space Marine you are Captain Titus, a Space Marine of the Ultramarines chapter and a seasoned veteran of countless battles.

Price -86% 5.12€
Rating 9.0
Release 05 Sep 2011
E.Y.E: Divine Cybermancy In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.

Price -50% 4.87€
Rating 8.2
Release 29 Jul 2011
ARMA: Gold Edition ARMA: Gold is pack of ARMA: Armed Assault and an expansion pack ARMA: Queen's Gambit. ARMA is a first person tactical military shooter with large elements of realism and simulation. This game features a blend of large-scale military conflict spread over large areas alongside the more closed quarters battle.

Price -82% 1.44€
Rating 7.3
Release 13 Jul 2011
F.E.A.R. 3 F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

Price -95% 1.04€
Rating 7.0
Release 21 Jun 2011
Jamestown Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars. It features all the intensity, depth, and lovingly handcrafted pixels of a classic arcade shooter, with a modern twist: deeply-integrated cooperative gameplay.

Price -52% 3.99€
Rating 9.0
Release 08 Jun 2011
Red Faction : Armageddon Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!

Price -80% 3.99€
Rating 7.1
Release 06 Jun 2011
Hunted: The Demon’s Forge It will take the combined efforts of two great warriors to explore menacing dungeons, overgrown ruins, and downtrodden towns … and discover the secrets of the Demon’s Forge.

Price -77% 1.19€
Rating 7.2
Release 02 Jun 2011
Frozen Synapse Brings the simultaneous turn-based strategy genre up-to-date and lets you give detailed, accurate orders to your squad.

Price -96% 0.94€
Rating 8.0
Release 26 May 2011
Portal 2 - The Final Hours Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. For more information on Portal 2 click here.

Price -60% 0.63€
Rating 7.2
Release 17 May 2011
Terraria Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

Price -53% 4.67€
Rating 9.7
Release 16 May 2011
The First Templar - Steam Special Edition Uncover the mysteries behind the Templar Order! Steam Exclusive Edition includes bonus mission “The Arena”.

Price -70% 2.99€
Rating 6.9
Release 12 May 2011
Portal 2 The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Price -80% 1.95€
Rating 9.8
Release 18 Apr 2011
Sanctum You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Price -86% 1.41€
Rating 8.6
Release 15 Apr 2011
Dino D-Day Frantic, multiplayer action involving Nazis and dinosaurs! What are you waiting for? This is World War II as it should have been!

Price -90% 0.99€
Rating 8.2
Release 08 Apr 2011
Dungeon Siege Dungeon Siege® combines the immersive elements of a role-playing game with over-the-top intensity and non-stop action. Dungeon Siege plunges you into a continuous 3D fantasy world where you face off against an army of evil that has been unleashed.

Price -86% 0.97€
Rating 7.9
Release 05 Apr 2011
HOARD YOU ARE THE DRAGON in this award-winning arcade strategy game. Burn villages, collect gold, and level up your dragon while playing 10 minute matches in single player or up to 4 player co-op and competitive modes. Over 30 levels and multiple game modes ensure you'll be burning for a long time!

Price -75% 0.99€
Rating 7.7
Release 04 Apr 2011
LEGO Star Wars III - The Clone Wars LEGO Star Wars III: The Clone Wars will allow fans to explore endlessly and laugh their way through the Star Wars galaxy in the most humorous, accessible and action-packed LEGO game to date.

Price -75% 4.87€
Rating 9.2
Release 22 Mar 2011
Homefront The Rock Map Pack is Now Available! Join the Resistance, stand united and fight for freedom against an overwhelming military force.

Price -95% 1.14€
Rating 6.0
Release 14 Mar 2011
Atom Zombie Smasher The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.

Price -59% 4.16€
Rating 8.6
Release 14 Mar 2011
Total War: SHOGUN 2 Total War: SHOGUN 2 is the perfect mix of real-time and turn-based strategy gaming for newcomers and veterans alike.

Price -92% 2.67€
Rating 8.9
Release 14 Mar 2011
Men of War: Assault Squad Men of War: Assault Squad delivers a deeply tactical WWII experience, blending large-scale strategy with intense, hands-on combat. Fight across multiple fronts – from European countryside to Pacific jungles and command every unit and every bullet on the battlefield.

Price -92% 0.80€
Rating 8.5
Release 24 Feb 2011
Two Worlds II HD Check out the new Velvet Edition bundle including both Two Worlds II and Pirates of the Flying Fortress DLC.

Price -99% 0.27€
Rating 6.2
Release 03 Feb 2011
Dead Space 2 Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.

Price -80% 3.99€
Rating 9.2
Release 27 Jan 2011
Magicka Magicka is a satirical action-adventure game set in a rich fantasy world based on Norse mythology. The player assumes the role of a wizard from a sacred order tasked with stopping an evil sorcerer who has thrown the world into turmoil, his foul creations besieging the forces of good.

Price -92% 0.83€
Rating 8.5
Release 25 Jan 2011
Monday Night Combat Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!

Price -16% 3.78€
Rating 7.6
Release 24 Jan 2011
Alien Breed 3: Descent Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.

Price -95% 0.51€
Rating 7.1
Release 17 Nov 2010
Call of Duty : Black Ops The biggest first-person action series of all time and the follow-up to critically acclaimed Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops.

Price -50% 19.99€
Rating 8.9
Release 08 Nov 2010
Shank Shank is the cult-classic revival of the sidescrolling beat-em-up. Play as Shank in an over-the-top grindhouse game, packed to the rim with enemies, bosses, combos, and more by the award-winning team at Klei Entertainment.

Price -55% 4.49€
Rating 8.7
Release 25 Oct 2010
Medal of Honor Fight Today's War: Elite Special Forces in a gritty combat campaign using the surgical tactics of Tier 1 Operators combined with the sledgehammer force of Army Rangers.

Price -75% 4.99€
Rating 7.4
Release 12 Oct 2010
Lara Croft and the Guardian of Light Take control of Lara and her new partner Totec, a Mayan tribesman, and uncover the ancient artifact known as the "Mirror of Smoke" in this all new action adventure game.

Price -93% 0.78€
Rating 8.8
Release 28 Sep 2010
Dead Rising 2 The sequel to the million-plus selling Dead Rising, Dead Rising 2 takes the zombie survival horror to Fortune City, America’s latest and greatest entertainment playground.

Price -95% 1.11€
Rating 7.6
Release 27 Sep 2010
Sid Meier's Civilization V Create, discover, and download new player-created maps, scenarios, interfaces, and more!

Price -98% 0.78€
Rating 9.5
Release 23 Sep 2010
Alien Breed 2: Assault Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.

Price -91% 0.98€
Rating 6.7
Release 22 Sep 2010
Worms Reloaded Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.

Price -96% 0.85€
Rating 8.4
Release 26 Aug 2010

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