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.
Filters & Lists
Hellsweeper VR
DARE TO DESCEND INTO HELL? Hellsweeper VR is an intense first-person action-combat VR experience. Traverse the underworld where every step brings a challenge or a chance. Gain mastery of your weapons and elemental magic, or fall to the unrelenting onslaught of hell's twisted souls.
The Backrooms: Survival
Survival horror with roguelike elements. Explore randomized levels with different items and entities while trying to maintain your thirst, hunger, and sanity, ensuring a new experience every time. Play alone or with up to TEN friends online! Cross-platform multiplayer with Nintendo Switch.
MythForce
MAJOR UPDATE 1.2: SKILL TREES! The wait is over—no better time to jump in than now! Pick your class & tailor your skill tree to match your ideal playstyle. Shake up the experience with Encounter System & Elemental Combos. Stronger, sleeker, and bursting with new thrills—MythForce is ready!
Untitled Ghost Game
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
How 2 Escape
How 2 Escape is an escape-simulation game where two players will need to cooperate on asymmetrical gameplay and devices. "Talk together. Help each other." will be your new motto to survive in How 2 Escape.
Clue/Cluedo
Experience a fresh take on the classic crime-solving board game. Step into new mysteries and use your skills of deduction to find out whodunit, with what weapon and where.
Moving Out 2
Moving Out is back and wackier than ever, and now with ONLINE PLAY! Return to Packmore and use your moving skills across brand new dimensions and some old favourites. Help rebuild Smooth Moves and become an all-star F.A.R.T. (Furniture Arrangement & Relocation Technician)!
No Fair Play
No Fair Play is a physics-based multiplayer game that combines parkour, combat, and football mechanics to offer great freedom to players.
Might & Magic: Clash of Heroes - Definitive Edition
Plan your next move wisely, every additional combo can make the difference! Whether in solo or duo, online or offline, mix and match your units to defeat your enemies in this Definitive Edition of Might & Magic: Clash of Heroes!
Arcadegeddon
Rise up and play with up to three friends in this ever-evolving cooperative multiplayer, roguelite shooter. Explore multiple biomes, mini games, find hidden chests, and defeat numerous enemies and bosses.
The Purge Dilemma
Do you have the intuition and cunning to successfully save yourself from the purges of a paranoid dictator? Prove your loyalty to the Tyrant in this social deduction game designed for 5-10 players.
Backrooms Society
Backrooms Society is a 1-8 player co-op horror game. Make your way through unique levels of the backrooms while trying to survive and avoid mysterious entities. Scavenge each level for gear and resources, bring it back to The Hub where you can sell valuables and buy/craft new gear.
Old Coin Pusher Friends 2
"Old Coin Pusher Friends 2" is an online cooperative coin pusher game set in the Edo period. Players work together to defeat yokai, repel skulls, and aim for the jackpot. As the game progresses, players can upgrade their abilities and equipment to become stronger.
This Means Warp
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.
Fast and Low
Fast and Low is a VR Tactical Shooter mixed with a traditional FPS. Players can play solo, locally via asymmetric multiplayer or play together online to breach rooms, neutralize hostiles, and rescue civilians. 'Cause when the bad guys gotta go...you gotta hit 'em Fast...and you gotta hit 'em Low.
Guardians Frontline
Guardians Frontline is a sci-fi VR shooter that makes you a soldier and a commander. Fight off enemies and build bases in a single-player and co-op campaign, plus PvP game modes with full cross-play support.
Sea of Craft
Hello! Captain! “Sea Of Craft” is a sandbox ocean-building game with realistic physics simulation. In “Sea of Craft”, you can build your exclusive ship with hundreds of materials, and explore intriguing stages on planet Beella as well as adventures of wonders in the great ocean!
Escape First Alchemist ⚗️
First-person escape game, playable solo or co-op with up to 4 people. Solve riddles of a reclusive alchemist that trapped you in his workshop. Brew potions and overcome challenges as he laughs at your failures and makes light of your successes...But what if things are not what they seem?
Ikki Unite
SUNSOFT relapses... The legendary Bad Game Hall of Famer "Ikki" is back, and this time it's a multiplayer experience! You can't start a riot with just one or two people! Enlist up to 16 friends in this Roguelite madness... Ikki but united!
PERISH
PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.