Online Co-Op Games – Steam Marketing Tool

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Found 6842 games. It's 4.7% of all Steam games

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# Title Release Price Tags Followers Reviews Score Net Revenue
6511
Invasion Rush Cover Image
An apocalyptic disaster has left the door open for all kind of creatures to invade our home! Jump right into action in this hero-top down shooter-coop-roguelite experience, power up your survivors, defeat bosses and try to see how far you can get!
Invasion Rush
Steam Publisher: GORO_dev Developer: GORO_dev
To be announced
Coming Soon
N/A
2DActionAction RoguelikeClass-BasedCo-opCombatFantasyHand-drawnMultiplayerOnline Co-OpPost-apocalypticPvERoguelikeSci-fiScore AttackShooterSingleplayerSurvivalTop-DownZombies
8 N/A N/A ~$ N/A
6512
Lavabound Cover Image
Play alone or play together in this 'relaxed' and fun cooperative platformer. Can you collect all the treasures whilst navigating through different obstacles? And if this doesn't sound hard enough for you: Please be aware of the constant rising lava. Will you successfully escape the volcano?
Lavabound
Steam Publisher: Martin Kolman Developers: Hassan Riaz, Martin Kolman
Coming soon
Coming Soon
N/A
2.5D2D PlatformerAction-AdventureAdventureCasualCo-opCo-op CampaignFamily FriendlyIndieLocal Co-OpLocal MultiplayerMultiplayerOnline Co-OpPixel GraphicsPlatformerPuzzle PlatformerPvESingleplayerTacticalTurn-Based Tactics
8 N/A N/A ~$ N/A
6513
Mannequin Syndrome Cover Image
Investigate mannequin-controlled zones, complete shutdown rituals, and survive encounters with adaptive AI. Mannequin Syndrome is a 1–4 player co-op psychological horror where every decision matters. Explore, uncover the truth, and escape—if you can.
Mannequin Syndrome
Steam Publisher: Lak1z Developer: Wolf Realm Studios
To be announced
Early Access
Coming Soon
N/A
3DActionAction-AdventureAdventureCo-opEarly AccessHorrorIndieMultiplayerOnline Co-OpSingleplayerTeam-Based
8 N/A N/A ~$ N/A
6514
Mechamates Cover Image
Grow your store and become the best store manager in the city! Using VR, interact with AI with voice commands or simply beat them up for robbing your store!
Mechamates
Steam Publisher: Matricon Developer: Matricon
To be announced
Coming Soon
N/A
3DBuildingCasualCo-opComedyFunnyIndieMemesMultiplayerOnline Co-OpSimulationSingleplayerThird PersonVR
8 N/A N/A ~$ N/A
6515
Meow Master: Battle for Catnip Cover Image
Hey there, fellow cat lovers! Get ready to become a Meow Master and fight for the ultimate prize: catnip! In this game, you'll have to use your cat-like skills to fight, run, and hide your way to the finish line, all while making sure you stay alive. Remember, you only have 9 lives!
Meow Master: Battle for Catnip
Steam Publisher: RosenX Studios Developer: RosenX Studios
Coming soon
Early Access
Coming Soon
N/A
2DCasualCatsCo-opComedyCompetitiveCuteEarly AccessFunnyIndieMultiplayerOnline Co-OpPvPSimulationStrategySurvival
8 N/A N/A ~$ N/A
6516
Mhystaria Cover Image
Explore an island full of secrets, build your shelter, and face its challenges in this 2.5D fantasy sandbox for single or multiplayer.
Mhystaria
Steam Publisher: Nowysoft Developer: Nowysoft
Coming soon
Coming Soon
N/A
2.5DActionAction-AdventureAdventureCo-opCollectathonExplorationFantasyIndieMultiplayerOnline Co-OpOpen WorldPixel GraphicsPvESandboxSingleplayerSurvivalTop-Down
8 N/A N/A ~$ N/A
6517
Mindwarp: AI Detectiv Cover Image
Up to 4 players in online co-op. Talk to characters, learn their stories, search for clues and pass judgment before sunset in this unique detective.
Mindwarp: AI Detectiv
Steam Publisher: GameRED Developer: GameRED
2025
Early Access
Coming Soon
N/A
3DAdventureArtificial IntelligenceAtmosphericChoose Your Own AdventureCo-opDetectiveDynamic NarrationEarly AccessExplorationFirst-PersonHidden ObjectLogicMassively MultiplayerMedievalMultiplayerMysteryOnline Co-OpStylizedWalking Simulator
8 N/A N/A ~$ N/A
6518
Monkey Jump Cover Image
Monkey Jump is a physics-based party platformer that puts friendships to the test. 2–8 players race, cooperate, or sabotage each other across chaotic courses. Are you ready to risk your friendship for a single banana?
Monkey Jump
Steam Publisher: Echo Forge Developer: Echo Forge
Coming soon
Early Access
Coming Soon
N/A
3D PlatformerActionCasualCo-opColorfulComedyCuteDifficultEarly AccessFamily FriendlyFunnyMinigamesMultiplayerOnline Co-OpParty GamePhysicsPlatformerPvPSocial DeductionSurvival
8 N/A N/A ~$ N/A
6519
MowIt : Grass Cutting Simulator Cover Image
Mowing lawns has never been this much fun! Relax with your friends in online co-op, upgrade your equipment, shape beautiful gardens, and enjoy the experience. Join the fun with 1-4 player co-op!
MowIt : Grass Cutting Simulator
Steam Publisher: ZUGOB Indie Developer: ZUGOB Indie
Q4 2025
Coming Soon
N/A
3D3D PlatformerCasualCharacter CustomizationCo-opCo-op CampaignColorfulFirst-PersonFunnyImmersive SimIndieLife SimMultiplayerNatureOnline Co-OpPhysicsRealisticRelaxingSimulationSingleplayer
8 N/A N/A ~$ N/A
6520 N/A
Steam Publisher: Headshot studios Developer: Headshot studios
Coming soon
Coming Soon
N/A
1980s2DActionAction-AdventureAdventureBuildingChoices MatterChoose Your Own AdventureCo-opCombatCraftingCrimeExplorationIndieMultiple EndingsOnline Co-OpPvERPGSandboxSingleplayer
8 N/A N/A ~$ N/A
6521
Papi's Playhouse Cover Image
A multiplayer card game in first-person with hidden roles, bluffing, and shootouts. Set in a gritty bar, players must read the room, play their cards wisely, and pull the trigger to survive the table.
Papi's Playhouse
Steam Publisher: Van Studio Developer: Van Studio
Coming soon
Coming Soon
N/A
1990's3DAtmosphericCard GameCasualCo-opCrimeDarkFirst-PersonFunnyMultiplayerMysteryOnline Co-OpPvPSimulationStrategyStylizedTabletopTurn-Based StrategyTurn-Based Tactics
8 N/A N/A ~$ N/A
6522
Plunder Protocol Cover Image
Plunder Protocol is a unique mix of RTS, MOBA, auto battler and tower defense turned base builder. Designed for players who love strategy but hate micromanagement. Build your base, recruit units, and outsmart opponents with strategy instead of fast clicks.
Plunder Protocol
Steam Publisher: Pascal Claes Developer: Pascal Claes
To be announced
Coming Soon
N/A
Auto BattlerBase BuildingBuildingEconomyFantasyLogicLootMOBAMagicManagementMultiplayerOnline Co-OpPvPRTSReal Time TacticsResource ManagementStrategyTacticalTeam-BasedTower Defense
8 N/A N/A ~$ N/A
6523
Pumpkin Hack Cover Image
Pumpkin Hack features fast-paced multiplayer matches with strategic stealth and intense combat. Master your transformation, outsmart enemies, and dominate the battlefield in dynamic, pumpkin-filled arenas.
Pumpkin Hack
Steam Publisher: Void404 Games Developers: Adrian Martuneac, Frank Novello, Void404 Games
Coming soon
Coming Soon
N/A
3DActionAction RoguelikeAction-AdventureArena ShooterBattle RoyaleCasualCo-opComedyDark FantasyFree to PlayFunnyHack and SlashMultiplayerOnline Co-OpPvPStealthStylizedTeam-BasedThird Person
8 N/A N/A ~$ N/A
6524
Pumps Don't Suck Cover Image
A realistic firefighting pump panel simulator that trains players to operate fire engine water systems. Balance intake and discharge pressure, manage hose lines, and keep the water flowing in dynamic emergency scenarios. Perfect for firefighters, trainees, and pump enthusiasts.
Pumps Don't Suck
Steam Publisher: Spectrum Forged Studios Developer: Spectrum Forged Studios
Coming soon
Coming Soon
N/A
2DArcadeChoices MatterCo-opEducationImmersive SimIndieMultiplayerOnline Co-OpPvERealisticResource ManagementSimulationSingleplayer
8 N/A N/A ~$ N/A
6525
RISE Cover Image
Climb floating islands with your friends. Use tools, teamwork and low gravity to summit before bedtime. Multiple routes, proximity chat and 8 player lobbies!
RISE
Steam Publisher: Joe Fender Developer: Joe Fender
Coming soon
Coming Soon
N/A
3DActionAction RoguelikeAction-AdventureAdventureAtmosphericCo-opExplorationFirst-PersonFunnyIndieMultiplayerOnline Co-OpParkourPhysicsSingleplayerTime Management
8 N/A N/A ~$ N/A
6526
Rico's Theater Cover Image
Rico's Theater is an extremely intense first-person online multiplayer horror game. Choose multiple classes that vary in weapons & abilities & work together with friends in fighting dangerous entities.
Rico's Theater
Steam Publisher: PyroDisk Developer: PyroDisk
2025
Coming Soon
N/A
3DActionAction RoguelikeAdventureAtmosphericCinematicCombatDark FantasyFirst-PersonFuturisticHorrorIndieMultiplayerOnline Co-OpPvEPvPQuick-Time EventsSingleplayerSurvival Horror
8 N/A N/A ~$ N/A
6527
SPIDER HOTEL Cover Image
Enjoy a casual 1 vs 4 asymmetrical multiplayer game of tag! Four tiny insects are trapped in a strange hotel, hunted by a sinister Spider that swiftly moves through walls and ceilings. Use unique skills, work together, and escape—or get wrapped in cocoons forever! Can you survive?
SPIDER HOTEL
Steam Publisher: Spoke Inc. Developer: Spoke Inc.
2025
Coming Soon
N/A
2D2D PlatformerActionCartoonyCasualCo-opColorfulCuteFamily FriendlyHorrorIndieMultiplayerOnline Co-OpPlatformerPvPSingleplayerTeam-Based
8 N/A N/A ~$ N/A
6528
Silent Howl Cover Image
In Silent Howl, every night is a fight for survival. Villagers must unmask the Werewolves lurking among them, ready to strike from the shadows. But beware, powerful hidden roles can shift the balance. Will you expose the truth and save the village, or tear it apart from within?
Silent Howl
Steam Publisher: Yorbi Developer: Yorbi
Coming soon
Coming Soon
N/A
3DActionAction RTSCasualCo-opFirst-PersonInvestigationMassively MultiplayerOnline Co-OpPuzzlePvPReal Time TacticsRelaxingSocial DeductionStealthStrategyTacticalTurn-Based StrategyTurn-Based TacticsWerewolves
8 N/A N/A ~$ N/A
6529
Sword & Spatula Cover Image
A cooperative game for two players where the players take on the role of a skilled cook and a fearless warrior. Together, you must defend against waves of enemies while preparing delicious meals to keep yourself satiated. Two players, one mission: Survive together!
Sword & Spatula
Steam Publisher: Kor Games Developer: Kor Games
Coming soon
Coming Soon
N/A
3DActionAction RoguelikeCartoonCartoonyCasualClass-BasedCo-opColorfulCombatCookingCraftingCuteFamily FriendlyHack and SlashIsometricMultiplayerOnline Co-OpPvESurvival
8 N/A N/A ~$ N/A
6530
The Liminal Library Cover Image
The Liminal Library is a horror game based on liminal spaces where players solve puzzles, uncover many things hidden within the liminal spaces. The Liminal Library works on exploration as well as puzzles based mechanics to find your way out along with other rules you must follow for survival.
The Liminal Library
Steam Publisher: APC Developer: APC
Coming soon
Coming Soon
N/A
ActionAdventureHorrorMultiplayerOnline Co-OpPsychological HorrorSingleplayer
8 N/A N/A ~$ N/A
6531
Undead Horizon Cover Image
The world has fallen, and the undead are all that remain. Undead Horizon is a co-op, round-based zombie survival game where you fight off relentless waves, rack up points, buy weapons and perks, and upgrade your arsenal to stay alive. How long will you and your friends hold out?
Undead Horizon
Steam Publisher: Thomas Riga Developer: Thomas Riga
Coming soon
Coming Soon
N/A
ActionAdventureCo-opCombatFuturisticIlluminatiMultiplayerOnline Co-OpPost-apocalypticPvESci-fiShooterSingleplayerSurvivalThird PersonThird-Person ShooterViolentZombies
8 N/A N/A ~$ N/A
6532
UnrealCam Cover Image
UnrealCam is an ultra-realistic multiplayer first-person shooter developed with Unreal Engine 5. Get ready for fast-paced UnrealCam action, where every choice can mean the difference between life and death for you and victory or failure for your team.
UnrealCam
Steam Publisher: UnrealCam Studio Developer: UnrealCam Studio
Coming soon
Early Access
Coming Soon
N/A
ActionCo-opCombatDramaEarly AccessFPSFirst-PersonMOBAMassively MultiplayerMilitaryMultiplayerOnline Co-OpRealisticShooterSimulationSingleplayerStrategySurrealTactical RPGZombies
8 N/A N/A ~$ N/A
6533
What The Coffin Cover Image
In What The Coffin, you and a friend face the wildest challenge: hauling a wobbly corpse through a chaotic world of physics-based obstacles! It’s all about coffin-cooperation. If you drop it, you're both going six feet under! Can your friendship survive the madness?
What The Coffin
Steam Publisher: ShortDust Games Developer: ShortDust Games
To be announced
Coming Soon
N/A
3D3D PlatformerActionAction-AdventureAdventureCasualCo-opComedyFamily FriendlyFunnyMultiplayerOnline Co-OpParkourPhysicsPlatformerPuzzlePuzzle PlatformerPvPRelaxingThird Person
8 N/A N/A ~$ N/A
6534
云巅
Steam Publisher: 云巅 Developer: 云巅
Feb 19, 2021
Coming Soon
N/A
2D PlatformerCRPGCasualCo-opDramaFree to PlayMMORPGMassively MultiplayerMultiplayerOnline Co-OpPvPRPGStory RichThird Person
8 N/A N/A ~$ N/A
6535
天途
Steam Publisher: 广州曦励网络科技有限公司 Developer: 广州曦励网络科技有限公司
10-2020
Coming Soon
N/A
3DCRPGCasualCo-opDramaFree to PlayMMORPGMassively MultiplayerMultiplayerOnline Co-OpPvPRPG
8 N/A N/A ~$ N/A
6536
阴阳界 Cover Image
《阴阳界》讲述的一个初入江湖的武学弟子,不断修炼技能、打造装备,在众多江湖豪侠的辅助下,不断变强,并最终练成三大武学天书《九阴真经》、《九阳神功》、《无色界天书》,成为一名集大成者,最终问鼎武林至尊的故事。
阴阳界
Steam Publisher: 深圳指盟网络科技股份有限公司 Developer: 深圳指盟网络科技股份有限公司
7-2021
Coming Soon
N/A
2.5DCRPGCasualCo-opDramaMMORPGMassively MultiplayerMultiplayerOnline Co-OpPvPRPG
8 N/A N/A ~$ N/A
6537
Across the Gap Cover Image
As a time traveling handyman, it’s your job to keep the flow of time running smoothly. Zip through time and construct contraptions to help overcome physical challenges, Travel alone or with a group of up to 4 players.
Across the Gap
Steam Publisher: Snackmunch Studios Developer: Snackmunch Studios
Coming soon
Coming Soon
N/A
3DActionAdventureBuildingCartoonCasualCo-opColorfulFamily FriendlyHidden ObjectIndieMultiplayerOnline Co-OpPuzzleRelaxingResource ManagementSimulationSingleplayerStrategyThird Person
7 N/A N/A ~$ N/A
6538
Aetherdale Cover Image
Fight your way through the magical kingdom of Aetherdale in this roguelite, collecting powerful weapons and artifacts along the way.
Aetherdale
Steam Publisher: Nicholas Anderson Developer: Nicholas Anderson
To be announced
Early Access
Coming Soon
N/A
3DActionAdventureCo-opCombatEarly AccessFantasyFree to PlayIndieMultiplayerOnline Co-OpPvERPGRoguelikeRogueliteSingleplayer
7 N/A N/A ~$ N/A
6539
Arcane Coven Cover Image
A roguelite 1-6 player Co-op top-down dungeon crawler. Slay mobs, loot chests, explore the map, craft wands and upgrade spells in a team attempt to escape from the magical dimension by conquering all 4 seasons.
Arcane Coven
Steam Publisher: Quoxenom Developer: Quoxenom
Sep 25, 2025
Coming Soon
N/A
2DAtmosphericChoices MatterCo-opColorfulCombatDungeon CrawlerFantasyMagicMultiplayerMysteryOnline Co-OpPixel GraphicsPvERoguelikeRogueliteSingleplayerStrategySurrealTop-Down
7 N/A N/A ~$ N/A
6540
AshBall Cover Image
Outrun the lava. Trust your teammate. One ball, one chance — pass or perish in AshBall’s minimalist, deadly arenas. Climb the leaderboard together and prove you're the ultimate duo.
AshBall
Steam Publisher: Kyaoo Developer: Kyaoo
Coming soon
Coming Soon
N/A
2D2D PlatformerActionArcadeCo-opFamily FriendlyIndieMinimalistOnline Co-OpPhysicsPlatformerPrecision PlatformerPvEStrategyTactical
7 N/A N/A ~$ N/A