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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Monday Night Combat
Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!
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.
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.
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.
Sid Meier's Civilization® V
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
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.
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.
Kane & Lynch 2: Dog Days
Pure adrenaline of non-stop action in Single Player, Online Co-op and Multiplayer. Double the pleasure and mayhem with new multiplayer DLCs! (click for details)
Arma 2: Operation Arrowhead
Three years after the conflict in Chernarus, portrayed in the original Arma 2, a new flashpoint explodes in the Green Sea Region. Coalition forces led by the US Army are deployed to Takistan to quickly restore peace and prevent further civilian casualties.
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!
Beat Hazard
Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.
Just Cause 2
Dive into an adrenaline-fuelled free-roaming adventure with 400 square miles of rugged terrain and hundreds of weapons and vehicles.
Sonic & SEGA All-Stars Racing
SONIC AND SEGA ALL-STARS RACE FOR VICTORY IN A HIGH SPEED HIGH SKILL RACETRACK SHOWDOWN! TAKE TO THE TRACK BY CAR, MONSTER TRUCK, BIKE AND EVEN AEROPLANE IN SONIC & SEGA ALL-STARS RACING. Explore stunning new circuits including Sonic Seaside Hill, Curien Mansion and Blizzard Castle as you zip around medieval castle ramparts, hurtle...
Supreme Commander 2
Includes 47 Steam achievements, leaderboards, and stats!
LEGO® Indiana Jones™ 2: The Adventure Continues
LEGO® Indy is back in his biggest adventure yet. Battle through all four movies, including all-new levels from the original adventures and your favorite new moments from The Kingdom of the Crystal Skull... or in true LEGO® fashion, get creative and build your own levels to play with friends!
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!
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.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Command & Conquer: Red Alert 3 - Uprising
Red Alert 3: Uprising features four new mini-campaigns, giving players a deeper dive into the storyline's of the Soviets, the Allies, the Empire of the Rising Sun and a unique campaign centered on the origins of everyone’s favorite psionic Japanese schoolgirl commando, Yuriko Omega.
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.
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.
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.
LEGO® Indiana Jones™: The Original Adventures
Build, Battle and Brawl your way out of trouble! Play through all three classic Indiana Jones™ movies and relive your favorite Indy adventures in the tongue-in-cheek worlds of LEGO®. Explore and Discover - Battle enemies, solve puzzles, and seek out the world's greatest treasures.
Thrillville®: Off the Rails™
Thrillville™: Off the Rails lives up to its name with 20 death-defying rides! Players can build incredible coasters to leap from one track to another, launch through the air like cannonballs, blast through a burning rings of fire and more!
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.
Call of Juarez: Bound in Blood
THE OLD WEST, 1864. In order to save their family, the McCall brothers will kill anyone who stands between them and the legendary Gold of Juarez.
Killing Floor
6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
Two Worlds Epic Edition
... 300 years after Aziraal has been banished, a brother and sister are drawn into the conflict which has flared up between the Orcs and the free world. Kyra, the hero's younger sister, suddenly disappears in mysterious circumstances.«...If my family really belongs to the chosen ones, why then have we always been as poor as church mice?
Company of Heroes: Tales of Valor
Company of Heroes®: Tales of Valor™ is the expansion to the Game of the Year winner and highest rated real time strategy franchise Company of Heroes®. Featuring new campaigns to overcome, units to command, and battlefields to conquer, Company of Heroes®: Tales of Valor™ delivers evolved gameplay mechanics and 3 episodic adventures...
Watchmen: The End is Nigh
The lines between good and bad have been blurred and crime and terror run rampant in the streets. The alleys, rooftops and sewers are crawling with criminals and brutal gangs. And now, Underboss — in a daring escape — has broken out of prison and is ruling with vicious darkness.
F.E.A.R. 2: Project Origin
Assume the role of Special Forces Sgt. Becket as your routine mission quickly turns into a fight for survival against the wrath of Alma Wade. As Alma's terrifying power surges out of control, your squad is forced to battle through an apocalyptic landscape in search of clues for how to destroy her!
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.
Sacred Gold
A shadow of evil has fallen on the kingdom of Ancaria. It is a time for champions - a time to journey into the perilous world of SACRED. Battle blood-thirsty orcs & lumbering ogres... Destroy undead wizards & rotting mummies... Slay hellish demons & legendary dragons.
Frontlines™: Fuel of War™
Frontlines™: Fuel of War™ is an open-world First Person Shooter set on the frontlines of tomorrow. In a world ravaged by a global energy crisis, environmental decay, and economic depression, players assume the role of an elite soldier in the Western Coalition Army on an epic crusade against the Red Star Alliance to control the last of...