Hidden 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. For those who prefer not to search, check out lists of the most played, top deals and best free to play Online Co-Op games on Steam.
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Dark Quest 2
Dark Quest 2 is a turn based RPG where you control a party of heroes on your epic quest to defeat the evil sorcerer and his minions.
Mount Your Friends 3D: A Hard Man is Good to Climb
Join in the great simulated sportslike experience of friend mounting! Assemble a team and climb your way to the top! Mount Your Friends 3D brings mounting to the third dimension, with the same classic innuendo that made you slightly uncomfortable back in the day.
Walking Zombie: Shooter
The Walking Zombie is a stationary FPS with an online co-op mode in a world full of zombies to kill. Buy and upgrade your weapons, kill all enemies in 200 levels and destroy mighty boss monsters before they eat you alive!
No Heroes Here
No Heroes Here is a frantic co-op game for 1 to 4 players, available in local and online modes. Craft and use several items effectively whilst coordinating your ragtag band of non-heroes to defend castles and survive! ...Oh, as well as saving the Kingdom in the meantime!
Eternity Warriors VR
Packed with classical action game essences, high-definition visual, and real-time multiplayer features.
Ball 2D: Soccer Online
Ball 2D is an online multiplayer soccer game with 100% physics-based gameplay where you control one player.
Head Goal: Soccer Online
Play with your friends an online multiplayer soccer game with 100% physics-based gameplay where you control one player.
Gangs of Space
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.
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.
Rocketbirds 2 Evolution
The original Coq of War returns in a glorious explosion of finger-licking fun; with enhanced controls, new upgrade systems, a full single player campaign in “Part 1: The Cockup” with full VO and OST - and a 1- 4 player campaign in “Part 2: The Rescue” with procedurally generated maps.
Mysterium: A Psychic Clue Game
Mysterium is a cooperative deduction game set in the 1920s in which a ghost guides a group of psychics to uncover a murderer, as well as the weapon and location of the murder, using only visual clues.
8-Bit Invaders!
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
VERSUS SQUAD
Versus Squad is a fast action twin-stick shooter from the creator of Nation Red. Build your own sandbox defense and battle thousands of zombie mutants in top down combat! Face up to a dozen bosses. Simultaneously. Collect loot, build and repair. Play single player, on-line or local coop!
Out of Ammo
Out of Ammo is an intense VR Tower Defense / FPS hybrid strategy game that will have you constructing defenses, calling in artillery, issuing orders, and taking direct control of your soldiers in order to survive a relentless enemy onslaught.
New Retro Arcade: Neon
Emulate your favorite arcade games in an environment engrossed with retro realism and extremely detailed surroundings. Be filled with nostalgia and realise what arcade life felt like back in the 80’s/early 90’s.
TOKYO WARFARE
Arcade battling in real life locations of Japan and around a healthy selection of bonus maps. Choose between five factions and engage in battle in fully destroyable anime environments or realistic looking bonus maps.
Pang Adventures
The Pang series is a beloved collection of arcade video games from the early 90s. Guide two brothers on a quest around the world to save humankind from a massive alien invasion!
Evochron Legacy SE
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Dungeon Lords Steam Edition
The great wizard Galdryn of the Meadows has been vanquished by a deadly conspiracy within the Circle of Mages. His chief ally, Lord Davenmor, now struggles to save his kingdom from the dark forces of the conspiracy and the onslaught of Lord Barrowgrim’s army of marauders.
Immortal Empire
Immortal Empire is a multiplayer tactics role playing game. Control a party of up to 5 immortals as you travel through a unique fantasy world, using spells and strategy to defeat your enemies. Play co-op, versus, or solo through a compelling campaign storyline with fully voiced characters.
GOCCO OF WAR
Welcome to Gocco Studio Japan, a futuristic playground where kids come together to play make-believe war — a tradition started almost a hundred years ago. Up to 32 people can join a lobby, and up to 8 players can join up to take on quests.
Uncraft World
Save the galaxy and its hot goddesses from eternal cubification ! Now with 50+ levels, Online play, 27 hero skins, Level Editor and Workshop integration !
Super Cyborg
Super Cyborg is an old school non-stop hardcore run'n'gun action game! You are an elite battle cyborg who is sent in to investigate a series of anomalies on a mysterious island. The merciless alien known as the 'Xirxul life form' has been awakened by unwitting scientists and now: all humanity is in danger!