The Ultimatest Battle
The Ultimatest Battle is a real-time, 2D platform game in which two teams compete in different game modes with an almost completely destructible environment. UB is a true Free-to-Play, absolutely no Pay-to-Win.
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Tooth and Tail
Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!
Ball 2D: Soccer Online
Ball 2D is an online multiplayer soccer game with 100% physics-based gameplay where you control one player.
X-Morph: Defense
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
Absolver
Absolver is an online multiplayer combat game where players are placed behind the mask of a Prospect under control of the Guides, the new rulers of the fallen Adal Empire, who will determine your worth in joining their elite corps of Absolvers.
Rock of Ages 2: Bigger & Boulder
The greatest rock-racing, tower defense, art history game is back! Like the title says, Bigger & Boulder cranks up the surrealism and gameplay with chaotic 4P multiplayer, new time periods, and improved graphics, physics, and destructibility powered by UE4 to be, well… BIGGER AND BOULDER.
Fishing Planet
Fishing Planet® is a highly realistic first-person online multiplayer fishing simulator. Developed by avid fishing enthusiasts to bring you the full thrill of actual angling on your PC. Free-to-Play and just a download away!
ARK: Survival Evolved
Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!
Yet Another Zombie Defense HD
Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?
Comedy Night
Tell jokes, sing songs, make friends or heckle. Comedy Night captures the fun experience of a real comedy club.
Distrust: Polar Survival
DISTRUST is an isometric survival adventure with procedural generation on an Arctic research station lost in the endless dark of a polar night. A story-rich fiction with multiple endings that suits both singleplayer fans and co-op enthusiasts.
The Escapists 2
Craft, Steal, Brawl and Escape! It’s time to bust out of the toughest prisons in the world as you return to the life of an inmate in The Escapists 2, now with multiplayer! Have you got what it takes to escape?
Castle Story
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
Sine Mora EX
Sine Mora EX is a side-scrolling shoot'em up that provides a unique challenge, where time is the ultimate factor. Mixing classic shooter sensibilities with contemporary presentation, Sine Mora EX is a gorgeous shoot'em up offering both a Story Mode that weaves an excessive tale and an Arcade Mode.
Party Panic
Party Panic is an online and local-multiplayer party game. Compete against your friends in the all new board game, play 30+ rapid fire minigames, race through the brutal Gauntlet, or complete the challenges on Trophy Island. There is even a built in drinking game! You'll laugh, you'll cry, it's stupid.
MINDNIGHT
Inspired by the party games Werewolf and The Resistance, MINDNIGHT is a cyberpunk online social deduction game of deceit, accusations and unpredictability. It challenges your ability to lie and detect others that are trying to be deceptive.
Arcade Mayhem Juanito
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.
Redeemer: Enhanced Edition
Redeemer: Enhanced Edition is a brutal close-quarters brawler. Punch, crush, shoot, and use the environment to destroy enemies. Master deep melee combat, execute savage finishers, and fight for redemption as Vasily, a former elite operative hunted by a cybernetic corporation.
The Long Dark
THE LONG DARK is a thoughtful, exploration-survival experience that challenges solo players to think for themselves as they explore an expansive frozen wilderness in the aftermath of a geomagnetic disaster. There are no zombies -- only you, the cold, and all the threats Mother Nature can muster.
Car Mechanic Simulator 2018
Build and expand your repair service empire in this incredibly detailed and highly realistic simulation game, where attention to car detail is astonishing. Find classic, unique cars in the new Barn Find module and Junkyard module. You can even add your self-made car in the Car Editor.
Solstice Chronicles: MIA
In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience.
Crossout Remastered
Crossout Remastered - the postapocalyptic MMO action game where you can create a unique design for an armoured vehicle from dozens of parts and then drive it into multiplayer battles raging on land and in the skies alike.
Airmen
Airmen is a first person ship building and battling game featuring airships, landships and watercraft. Crew your ship solo or alongside friends on dangerous expeditions into the archipelago to complete contracts, collect resources, and upgrade your ships.
Ultrawings
Ultrawings is an aerial-themed, open-world flight game where you use your virtual hands to fly multiple aircraft to complete a variety of missions across a beautiful, island-themed world!
Just Cause 3: Multiplayer Mod
Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.
Fly Simulator
You work as a waiter and lead an uphill battle for their clients. You pushing back the flies from the food, otherwise you'll never get anything. Maybe you are a hungry insect trying to increase their population? Choose the opposing side. The war is already underway.
Masked Forces: Zombie Survival
What will you do when the zombie apocalypse comes, are you ready to tackle it right now and stay face to face with all the horrors that will appear?
Rusted Warfare - RTS
{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.
Nex Machina
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
CRYPTARK
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Serious Sam's Bogus Detour
Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell.
Colony Survival
Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!
Air Missions: HIND
Air Missions: HIND is an action combat flight simulator based on the Russian Mi-24 Hind assault helicopter. You will be deployed to the battlefield either on your own or with a friend.
Pixel Worlds: MMO Sandbox
Pixel Worlds is a free-to-play sandbox MMO where players build worlds, craft items, explore dungeons, farm resources, and trade in a player-driven economy, all within a shared online universe rebuilt as a fresh start for a fair and stable long-term experience.
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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.