Discounted Online 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 online co-op games.

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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% 1.03€
Rating 7.0
Release 21 Jun 2011
Terraria Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

Price -49% 4.98€
Rating 9.7
Release 16 May 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 -82% 1.81€
Rating 8.6
Release 15 Apr 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 -91% 0.93€
Rating 8.5
Release 25 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 -92% 0.88€
Rating 7.1
Release 17 Nov 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% 0.76€
Rating 8.8
Release 28 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 -92% 0.89€
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 -98% 0.74€
Rating 8.4
Release 26 Aug 2010
Alien Breed: Impact Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Price -96% 0.40€
Rating 7.2
Release 03 Jun 2010
Serious Sam HD: The Second Encounter Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!

Price -81% 3.82€
Rating 8.6
Release 28 Apr 2010
Aliens vs. Predator™ Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Price -56% 6.60€
Rating 8.9
Release 16 Feb 2010
Serious Sam HD: The First Encounter Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!

Price -86% 2.21€
Rating 9.1
Release 24 Nov 2009
Call of Duty®: Modern Warfare® 2 (2009) The most-anticipated game of the year and the sequel to the best-selling first-person action game of all time, Modern Warfare 2 continues the gripping and heart-racing action as players face off against a new threat dedicated to bringing the world to the brink of collapse.

Price -5% 19.01€
Rating 9.2
Release 11 Nov 2009
Operation Flashpoint: Dragon Rising Operation Flashpoint: Dragon Rising is a game about a fictitious conflict on one of the Sakhalin islands.

Price -30% 6.99€
Rating 6.7
Release 06 Oct 2009
Resident Evil 5 This game is a port of the Games for Windows - Live version that was released in 2009. If you buy the Untold Stories Bundle here on Steam, it will be the same as upgrading to Resident Evil 5 Gold Edition.

Price -59% 8.29€
Rating 8.6
Release 15 Sep 2009
Nation Red Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.

Price -40% 1.70€
Rating 8.5
Release 03 Sep 2009
Sniper Elite As World War II draws to a close, the first covert battles of the Cold War begin. Caught in the life and death struggle between Soviets and Germans in war-torn Berlin, you control the fate of a lone American OSS Sniper.

Price -95% 0.40€
Rating 7.4
Release 16 Jul 2009
Trine Enchanted Edition Three Heroes make their way through dangers untold in a fairytale world of great castles and strange machinery, featuring physics-based puzzles, beautiful sights and online co-op.

Price -95% 0.80€
Rating 9.3
Release 02 Jul 2009
Killing Floor 6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

Price -90% 2.03€
Rating 9.3
Release 14 May 2009
Saints Row 2 Saints Row 2 brings true freedom to open-world gaming. Players can play as who they want, how they want, and with whomever they want in this sequel to the much acclaimed and tremendously successful Saints Row.

Price -95% 0.57€
Rating 7.4
Release 07 Jan 2009
Company of Heroes: Opposing Fronts The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle...

Price -82% 3.45€
Rating 8.7
Release 24 Sep 2007
Call of Duty® 2 Call of Duty® 2 redefines the cinematic intensity and chaos of battle as seen through the eyes of ordinary soldiers fighting together in epic WWII conflicts. The sequel to 2003's Call of Duty, winner of over 80 Game of the Year awards, Call of Duty 2 offers more immense, more intense, more realistic battles than ever before, thanks to...

Price -31% 13.99€
Rating 9.1
Release 13 Oct 2006
DEFCON Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

Price -91% 1.08€
Rating 8.4
Release 29 Sep 2006
Sniper Elite V2 In the dark days of the end of World War Two amidst the ruins of Berlin, one bullet can change history…

Price -87% 3.16€
Rating 8.7
Release

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