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.
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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.
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.
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.
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)
Alien Swarm
Co-operative multiplayer game and complete code base available for free.
Moonbase Alpha
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.
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.
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.
STAR WARS Empire at War - Gold Pack
Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?
Tom Clancy's Splinter Cell Conviction
In this stealth-action thriller, Sam Fisher investigates his daughter’s death, only to uncover a betrayal by his former agency. Now hunted, he races against time to thwart a terrorist plot threatening millions.
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.
Lead and Gold: Gangs of the Wild West
Lead and Gold: Gangs of the Wild West is a third-person shooter that delivers an intense team-based multiplayer experience. Relive the violent era of the Wild West with adrenaline-fueled action and fast-paced gunfights. Engage in gritty battles in beautifully rendered classic Western settings.
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!
Total War: NAPOLEON Definitive Edition
Complete your Total War collection with this Definitive Edition of Total War: NAPOLEON, which includes all DLC and feature updates since the game’s release
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!
Aliens vs. Predator
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.
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!
Left 4 Dead 2
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
LEGO Star Wars - The Complete Saga
Kick Some Brick in I through VI! Play through all six Star Wars movies in one videogame! Adding new characters, new levels, new features and for the first time ever, the chance to build and battle your way through a fun Star Wars galaxy on your PC!
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...
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.
Tom Clancy's Splinter Cell Chaos Theory
Experience one of the most critically acclaimed stealth-action games of all time. Uncover a conspiracy that hits close to home and stop World War III.
Bad Rats: the Rats' Revenge
Bad Rats is a physics puzzle game where rats finally get their bloody revenge on their new prisoners: The cats. Come up with creative solutions for each puzzle using physics, functional objects, and your specially trained Rats. Try different ways of solving each puzzle to finish faster or earn higher scores.
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.
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Finding the Best Co-op Games on SteamSearching for good Co-op games often means sifting through hundreds of storefront listings. Instead of relying on raw algorithms or unverified tags, we rank Co-op titles using transparent player review metrics to highlight releases with proven community approval.Compare active price drops, filter by review threshold, and select a game below to buy directly on Steam or other stores for great deals.