Best 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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Mutants: Genesis
Mutants: Genesis is an online card game that you can play solo or with up to 3 players in PvE and PvP modes! Join the next generation of Psycogs and climb the ranks to establish yourself as Champion! Collect hundreds of mutants, fashion your own deck, cooperate with or fight other players!
Capcom Fighting Collection 2
Capcom's new fighting collection hits the stage! Choose from fan-favorite games like Capcom vs. SNK 2: Mark of the Millennium 2001 and Project Justice to 3D action games like Power Stone and Power Stone 2 in this collection of eight classic fighting games!
Broventure: The Wild Co-op
Broventure = Vampire Survivors + Base building + Co-op. Band together with friends and obliterate hordes of grueling enemies, gather crucial resources, and transform your camp into a sanctuary of liberation.
Omega Crafter
Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!
Equinox: Homecoming
Saddle up with friends and investigate a dark mystery, where each trail leads to wonder and intrigue. A string of events has set the idyllic island on edge. Discover the truth behind your mother’s disappearance and a local's sudden death. For fans of horses, murder mysteries, and cozy exploration!
Revenge of the Savage Planet
Revenge of the Savage Planet is an upbeat, satirical action adventure Sci-Fi. Jump, shoot and collect your way across vibrant alien worlds, uncovering new gear and upgrades, while discovering various hidden secrets.
Tank Squad
Tank Squad is a tactical-combat action game. Take part in big tank battles during World War II. Play single-player or coop (4 players). Repair your tanks, replenish supplies, manage the crew and get back to the action!
Survival Machine
Build your base on a moving Machine, travel through biomes with different resources, and prepare for the night when a zombie threat is much higher than during the day. Would you go solo or explore this new world with your best friends?
Among Us 3D
Teamwork and betrayal in space! In this PC & VR party game, Crewmates work together to complete tasks before one or more Impostors kill everyone aboard. Experience all of the same deception and deceit as the original Among Us, but now in all three dimensions.
Vellum
Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!
Blackjack 21: Blackjackist
Blackjack is an exciting game that any player is sure to enjoy. Place your bet, get more points than the dealer and win chips. Feel the risk as you dive into the casino atmosphere and hit the big time!
Survivalist: Invisible Strain
It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.
BOKURA: planet
"There's something I can't tell you..." Explore new frontiers of co-op gaming in BOKURA: planet, a puzzle adventure game that you can only play with two players. Take on the role of a spaceship's exploration crew and try to escape from the red planet you crash-landed on.
Dinkum
Dinkum is a survival life simulation game set on an island inspired by the rugged Australian outback. Farm, hunt, mine, fish, and forage to gather resources, expand your town, and discover what makes Dinkum so special—either solo or with friends.
RuneScape: Dragonwilds
On RuneScape’s forgotten continent of Ashenfall, dragons have awoken. Gather, build, skill and craft to survive in this co-operative (1-4) survival crafting game. Only by mastering survival and uncovering ancient secrets can they hope to slay the Dragon Queen—alone or with allies.
Warside
Welcome to Warside, the fast-paced turn-based tactics game. With a single-player story campaign, multiplayer support, and a built-in map editor, the fight for victory never ends. Choose your Commander, assemble your forces, and battle your way to victory.
Bureau of Contacts
"Bureau of Contacts" - ghost-hunting game for 1-4 players, in which you'll encounter 2 enemies at once - location itself and the ghosts with most human-like intelligence ever. So...look around and watch what you say!
Wild Assault
Wild Assault is an anthro-themed tactical shooter built with Unreal Engine 5, featuring large-scale battlefield gameplay centered around Valiant abilities. Work closely with your team, harness your instincts, and charge into battle to secure victory.
PARANOIA PLACE
PARANOIA PLACE is a 1-3 player online co-op survival horror game. Together or alone, you will need to solve puzzles, find items and run from the bloodthirsty demonic killer.
Call of Clans
Call of Clans is an online turn-based strategy card game set in a magical world. Build a versatile deck with minion and skill cards to challenge equally matched opponents in a world of swords and magic. Team up with others to conquer challenging co-op dungeons
Let's Patiti!
"Let's Patiti!" is a multiplayer party game that supports 2-4 players and can be played online or locally. In the game, you take on the role of an adorable little cat, engaging in a game of chase and cunning competition with your "Meow Meow" friends or AI in the "Meow Meow Forest".