Best Online 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 online co-op games.

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PAYDAY 2 PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree.

Price -71% 2.78€
Rating 8.9
Release 13 Aug 2013
Hammerwatch A hack and slash action adventure, set in a fantasy pixel art environment. Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles.

Price -91% 0.92€
Rating 8.7
Release 12 Aug 2013
Company of Heroes 2 Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.

Price -89% 2.09€
Rating 7.8
Release 25 Jun 2013
Dungeons & Dragons: Chronicles of Mystara Dungeons & Dragons: Chronicles of Mystara brings reworkings of two of Capcom’s classic arcade hits - Dungeons & Dragons: Tower of Doom and Dungeons & Dragons: Shadow over Mystara – together in one definitive digital package.

Price -94% 1.04€
Rating 7.8
Release 18 Jun 2013
Trine 2: Complete Story Three Heroes make their way through dangers untold in a fairytale world, featuring physics-based puzzles, beautiful sights and online co-op.

Price -96% 0.88€
Rating 9.3
Release 06 Jun 2013
Resident Evil Revelations Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.

Price -75% 4.99€
Rating 7.9
Release 23 May 2013
Sanctum 2 Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Price -96% 0.63€
Rating 8.8
Release 15 May 2013
Zeno Clash 2 Ghat's story is far from over: Zeno Clash 2 picks up where the deliciously brazen first game left off. After 4 years of waiting, the sequel to the surreal first-person brawler brings more variety in combat and levels, and even more bizarre storytelling into the beguiling world of Zenozoik.

Price -93% 1.16€
Rating 7.5
Release 30 Apr 2013
Monaco: What's Yours Is Mine Monaco: What's Yours Is Mine is a single player or co-op heist game. Assemble a crack team of thieves, case the joint, and pull off the perfect heist.

Price -98% 0.40€
Rating 8.8
Release 24 Apr 2013
Sacred Citadel Sharpen your axe, string your bow, brew your potions! Ancaria needs heroes like you. Grab your friends to join the resistance!The once peaceful land of Ancaria is in grave danger. The evil Ashen empire has enslaved its population and is using the orc-like Grimmoc to wipe out the Seraphim, who swore to protect it.

Price -89% 1.12€
Rating 6.7
Release 16 Apr 2013
ORION: Prelude Work together to survive the devastating Dinosaur horde in huge, endless environments.

Price -50% 0.50€
Rating 7.4
Release 16 Apr 2013
Resident Evil 6 Blending action and survival horror, Resident Evil 6 promises to be the dramatic horror experience of 2013.

Price -75% 4.99€
Rating 7.8
Release 21 Mar 2013
Worms Armageddon Those intrepid invertebrates return with a vengeance in the much-loved Worms™ Armageddon. It’s a whole new can of worms! It’s hilarious fun that you can enjoy on your own or with all your friends.

Price -88% 1.89€
Rating 9.2
Release 19 Mar 2013
Sniper: Ghost Warrior 2 Sniper: Ghost Warrior 2 takes the bulls-eye precision of its predecessor to new and exciting heights!

Price -90% 0.99€
Rating 7.4
Release 11 Mar 2013
Euro Truck Simulator The original Euro Truck Simulator - the game which has become the classic of the genre and is still relevant today. The first truck simulation game in a European setting, with European long haul trucks!

Price -80% 0.99€
Rating 8.1
Release 08 Mar 2013
Sniper Elite: Nazi Zombie Army ** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Featuring a co-op campaign for 1 to 4 players, Nazi Zombie Army is a horrifying new stand-alone expansion of the award-winning Sniper Elite series.

Price -96% 0.61€
Rating 8.5
Release 28 Feb 2013
Sonic & All-Stars Racing Transformed Collection Compete across land, water and air in incredible transforming vehicles that change from cars to boats to planes mid-race.

Price -76% 4.97€
Rating 9.1
Release 31 Jan 2013
Baldur's Gate: Enhanced Edition The classic returns! Baldur’s Gate: Enhanced Edition restores the full original adventure and Tales of the Sword Coast, now polished with quality‑of‑life upgrades for a smoother timeless Dungeons & Dragons journey.

Price -92% 1.59€
Rating 9.0
Release 16 Jan 2013
Far Cry 3 Discover the dark secrets of a lawless island ruled by violence and take the fight to the enemy as you try to escape. You’ll need more than luck to escape alive!

Price -80% 3.99€
Rating 8.8
Release 28 Nov 2012
Call of Duty : Black Ops II Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War

Price -67% 13.19€
Rating 8.5
Release 12 Nov 2012
Painkiller Hell & Damnation Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.

Price -90% 1.99€
Rating 7.6
Release 31 Oct 2012
Natural Selection 2 A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Price -80% 0.99€
Rating 8.3
Release 30 Oct 2012
Guns of Icarus Online Assemble your crew, take to the skies in the premier PvP airship combat game. Guns of Icarus Online is all about flying massive airships, shooting big turret weapons, and working as a team for supremacy of the skies. Everyone as one, victory or death, together.

Price -92% 0.44€
Rating 8.8
Release 29 Oct 2012
Rocketbirds: Hardboiled Chicken Annihilate an evil penguin regime in this cinematic platform adventure game offering full solo and co-op campaigns.

Price -80% 0.99€
Rating 7.7
Release 15 Oct 2012
Castle Crashers Hack, slash, and smash your way to victory in this award winning 2D arcade adventure from The Behemoth!

Price -90% 1.19€
Rating 9.5
Release 26 Sep 2012
Torchlight II The adventure continues in Torchlight II! An Action RPG filled with epic battles, bountiful treasure, and a fully randomized world. Bring your friends along for the journey with online and LAN multiplayer.

Price -97% 0.75€
Rating 9.1
Release 20 Sep 2012
Borderlands 2 The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience.

Price -98% 0.80€
Rating 9.2
Release 20 Sep 2012
Critter Crunch Using Critter Crunch's 'Food Chain' mechanic, players will eat their way through a smorgasbord of levels and gorge on a feast of modes, including Co-op and Versus multiplayer.

Price -60% 1.99€
Rating 8.7
Release 11 Sep 2012
Tower Wars Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!

Price -38% 5.00€
Rating 7.0
Release 14 Aug 2012
Iron Brigade Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!

Price -83% 2.57€
Rating 8.1
Release 13 Aug 2012
Awesomenauts Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS!

Price -50% 9.75€
Rating 8.3
Release 01 Aug 2012
Orcs Must Die! 2 You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.

Price -97% 0.46€
Rating 9.1
Release 30 Jul 2012
Tom Clancy's Ghost Recon: Future Soldier In Ghost Recon Future Soldier join an elite team of highly trained, cut-throat special-ops soldiers. Armed to the teeth with unrivalled combat technology, Ghost Recon takes you to the globe’s most deadly warzones to hunt down the highest value targets.

Price -75% 3.74€
Rating 6.8
Release 27 Jun 2012
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.

Price -70% 6.14€
Rating 9.1
Release 12 Jun 2012
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!

Price -74% 2.67€
Rating 7.2
Release 14 May 2012
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.

Price -85% 4.73€
Rating 6.0
Release 01 May 2012

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