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.

Filter Games
Loading Loading...
Baldur's Gate II: Enhanced Edition Rediscover the beloved RPG classic— now enhanced for modern adventurers! Gather your party of heroes and continue the legendary adventure in this story-rich fantasy epic where every choice matters.

Price -88% 2.50€
Rating 8.9
Release 15 Nov 2013
Final Exam Jump into the frenzied action and the whacky humor of a pure 2.5D side-scroller! While they were going to their old high school for what was supposed to be the party of their life, four long-time friends end up in a ghost town full of monstrous creatures.

Price -90% 0.53€
Rating 8.0
Release 05 Nov 2013
Sniper Elite: Nazi Zombie Army 2 ** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Experience a terrifyingly intense co-op campaign for up to four players in this gut-wrenching sequel to Steam best-seller, Sniper Elite: Nazi Zombie Army.

Price -90% 1.61€
Rating 8.2
Release 31 Oct 2013
Farming Simulator 2013 Titanium Edition Animal husbandry, crops, sales… It's up to you to manage and grow your own farm in a huge, totally new world!

Price -41% 7.43€
Rating 8.9
Release 09 Oct 2013
Foul Play Play as the daemon-hunter Baron Dashforth in a side-scrolling co-op brawler set entirely on the grand spectacle of a theatre stage that rewards performance over pummeling. Perform shattering takedowns and reversals!

Price -57% 6.51€
Rating 7.5
Release 18 Sep 2013
Arma 3 Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.

Price -79% 6.42€
Rating 9.0
Release 12 Sep 2013
Total War: ROME II - Emperor Edition Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch.

Price -87% 8.05€
Rating 8.2
Release 02 Sep 2013
PixelJunk™ Monsters Ultimate Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.

Price -89% 1.02€
Rating 7.7
Release 26 Aug 2013
Saints Row IV: Re-Elected Experience the insane antics of Saints Row IV. The Saints have gone from the Penthouse to the White House - but Earth has been invaded and it’s up to you to save it with an arsenal of superpowers and strange weapons, in the wildest open world game ever.

Price -86% 2.87€
Rating 8.7
Release 22 Aug 2013
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 -58% 4.03€
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 -96% 0.48€
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 -95% 1.00€
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 -93% 1.10€
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% 0.92€
Rating 9.3
Release 06 Jun 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% 0.60€
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 -81% 2.96€
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 -97% 0.54€
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 -96% 0.42€
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 -57% 8.76€
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 -89% 1.68€
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% 0.60€
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 -70% 6.11€
Rating 9.1
Release 31 Jan 2013
Baldur's Gate: Enhanced Edition The classic adventure returns! Baldur’s Gate: Enhanced Edition includes the original Baldur’s Gate adventure, the Tales of the Sword Coast expansion, and all-new content including three new party members.

Price -88% 2.47€
Rating 9.0
Release 16 Jan 2013
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 -93% 1.59€
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 -82% 0.92€
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 -90% 0.50€
Rating 7.7
Release 15 Oct 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% 0.65€
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% 0.64€
Rating 9.2
Release 20 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 -46% 4.35€
Rating 7.0
Release 14 Aug 2012
Iron Brigade Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!

Price -84% 2.50€
Rating 8.1
Release 13 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
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 -90% 2.05€
Rating 9.1
Release 12 Jun 2012

Most played online co-op games


52,787 players

179,154
6,488
Rating 9.5

48,279 players

630,223
166,993
Rating 7.9

43,379 players

35,638
5,110
Rating 8.6

42,554 players

330,349
99,903
Rating 7.6

26,931 players

775,883
241,752
Rating 7.6

17,286 players

736,611
32,168
Rating 9.5

16,656 players

471,451
28,377
Rating 9.4

16,092 players

26,968
991
Rating 9.4

13,167 players

5,970
751
Rating 8.6

12,500 players

67,486
10,594
Rating 8.5