Online Co-Op

Old Market Simulator is a 1-4 player co-op game where you manage your market by ordering goods, growing produce, raising animals, fishing, and crafting items in your workshop, while hiring employees and expanding your business.

3 Oct, 2024

Zombiefielders! Your mission is to open portals to attract stronger zombies and evacuate from the field. Work with your manager to reduce operational risks and get paid for completing your contract

25 Mar, 2025

Lead your elite team of Ghosts through a massive, dangerous, and responsive open world as you infiltrate and destroy the deadly Santa Blanca cartel to save Bolivia and its people from total collapse.

7 Mar, 2017

Hello Neighbor Multiplayer. Secret Neighbor is a Multiplayer Social Horror Game where a group of intruders try to rescue their friend from the Neighbor's creepy basement. Only problem is one of the intruders is the Neighbor in disguise.

24 Oct, 2019

Imagine DayZ or Rust but you're a duck. A persistent world survival game with PVP, PVE, crafting, base building and hat wearing ducks, wielding weapons.

25 Sep, 2024

7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!

25 Jul, 2024

Tom Clancy's Rainbow Six Siege is an elite, tactical team-based shooter where superior planning and execution triumph.

1 Dec, 2015

Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

7 Nov, 2025

Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!

18 Oct, 2011

A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

9 Apr, 2024

Wild Woods is a couch co-op game full of action, teamwork and woodland critters. One to four players take on the role of brave little cats defending their wooden wagon on its way through a dangerous forest. Clever cooperation is key - their way is full of obstacles!

9 Dec, 2024

A living world full of surprises, secrets and danger awaits in The Survivalists, an adventure-filled survival sandbox set in The Escapists universe. Explore, build, craft and even train monkeys with up to three friends in a desperate bid to survive. Have you got what it takes to be a Survivalist?

9 Oct, 2020

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?

21 Aug, 2017

Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.

26 Aug, 2010

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

12 Dec, 2024

Dark Hours is a co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out.

23 Oct, 2025

The tactical depth of a hardcore MOBA meets the explosive verticality of a third-person shooter. Master unique heroes, dominate the lanes in 5v5 combat, and join over 2,000,000 players in the ultimate free-to-play battleground!

20 Aug, 2024

3on3 FreeStyle: Rebound allows players to Team up for fast-paced street basketball, dive into single-player Career Mode PVE, and grow your skills with dynamic gameplay and enhanced Lumen-powered visuals.

14 Jul, 2020

Ghost Exile - is a cooperative horror from 1 to 4 players: when hunting for ghosts, you need to determine the type of ghost, carry out a ritual of exorcism and then the ghost can no longer harm anyone. Be careful! Hasty conclusions can lead you to a sad outcome.

7 Jan, 2022

Clone Drone in the Danger Zone is a robot voxel slice-em-up where any part of your body can be sliced off. With your mind downloaded into a robot gladiator, you must survive the sinister trials of the arena.

27 Jul, 2021

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.

28 May, 2026

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.

15 May, 2025

Try to control one person with 2 people! Take the reins with your friends as you try to complete challenging and hilarious missions in this fun cooperative game of teamwork, chaos and comedy!

6 May, 2025

SpyHunt is a multiplayer game for up to 8 players. Spies must complete missions without getting caught. One player is the Detective who must find the spies. Each map has different characters and tasks.

6 Jan, 2026

Battle against Fahrul's tyrannical Queen alone or as a party of four players in the sequel to For The King, the massively popular turn-based roguelite tabletop RPG. Will you unravel the once beloved Queen's terrible secret?

2 Nov, 2023

Experience a chaotic cooking adventure in SEDAP!. Hunt wild ingredients that bite back, master frantic minigames to coordinate culinary chaos, and cook up iconic Southeast Asian dishes while exploring Khaya Island. Play alone or team up with a friend to survive the ultimate kitchen rush!

22 May, 2025

Immerse yourself in the reality show — "Breaking Show", where you engage in real-time battles with various intelligent machines using cybernetic enhancements and weapons. Whether for personal gain or lofty ideals. Fight! Until you reach the final victory on this Rogue-lite journey.

24 Apr, 2024

Forget pre-calculated animations for pure physics-based basketball chaos! Master wacky controls, trigger well-timed dashes (even mid-air!), and collect arcade-mode items. Basketing brings fast, unpredictable fun that is perfect for playing solo or in chaotic local and remote matchups with friends.

9 Jun, 2022

Pixel Dungeon is a fast-paced, multiplayer social VR adventure where dungeon-crawling action, physics-based combat, and chaos with friends collide.

27 May, 2025

Play your way. Alone or together. Survive, update, repeat. DreadHaunt is where every decision matters and survival depends on TRUST. New characters, emotes, and new modes that keep the fear alive. Now available: Cross play with console players!

23 Sep, 2024

Ditch pre-calculated animations for pure, physics-based soccer chaos! Master wacky sphere controls, execute timely dashes, and trigger explosive arcade power-ups. Soccering delivers fast, unpredictable football fun perfect for solo play or hilarious local and remote matches with friends.

6 Aug, 2020

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.

19 Jun, 2023

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

22 Jul, 2025

Tactical Assault VR is an intense tactical shooter where you use real-world CQB (Close Quarters Battles) tactics to stack up, breach doors and eliminate threats. Play solo or join an online co-op special forces unit in missions around the world.

26 Mar, 2023

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.

23 Aug, 2023

From one of the developers behind the original Rainbow Six® and Ghost Recon® games, comes a thinking-man's first-person shooter featuring in-depth character and weapon customization. Take your time. Think ahead. Get the job done.

14 Aug, 2018

Created by and for tennis fans, Tennis Elbow 4 is a true tennis simulation built around anticipation, positioning and risk management. Easy to start, demanding to master, it delivers exceptional gameplay depth and long-term progression.

23 Jan, 2026

Enter a high-stakes PvE-first open-world tactical shooter set on a quarantined Southeast Asian island torn apart by faction warfare. Deploy as an elite operator, fight solo or with your squad to carry out missions, earn reputation, and explore the truth behind the Event igniting the conflict.

30 Apr, 2024

Untrusted is an online multiplayer (10 to 16 players) hacking / social deduction game: as an hacker, hack your target - as an undercover agent, disrupt the operation. Follow your objective or kill everyone - the choice is yours.

9 May, 2021

EARLY ACCESS - Solo or with up to 6 players, build, manage, and grow your supermarket. Stock your shelves, manage inventory, deliveries, staff, and machines. Customize your store and grow it from a small grocery shop into a full-fledged superstore.

16 May, 2025

Dive into this multiplayer online experience set in a sketchy bar where the games are as dangerous as the patrons. Join a table of 4 and test your skills in Liar's Dice and Liar's Deck, where lying and bluffing are key to victory. Ready for a night at Liar's Bar?

2 Oct, 2024

Dive into predictably unpredictable matches where physics reigns supreme! Master the wacky movement, use timely dashes, and trigger explosive game-changing items in arcade mode. Volleying delivers fast-paced, pure physics-based fun perfect for solo play or chaotic local/remote matches with friends.

15 May, 2018

A social deduction game for up to 12 players. Bunnies complete quests, gather supplies and prepare for winter, while traitors teach everyone a valuable lesson about trust.

11 Mar, 2024

Grocery Store Simulator is a 1-4 player co-op game where you build and manage your own supermarket by stocking shelves, setting prices, hiring staff, and customizing your store, all while expanding your business and keeping customers happy.

21 Nov, 2024

Merge Together is a relaxing two-player puzzle game where strategic thinking, harmony, and teamwork are key. Players aim to combine sweet fruits, level by level, to achieve larger fruits and ultimately reach the final goal: the watermelon.

8 Nov, 2024

Survive the fast, chaotic roads with your friends! Or experience your favorite music in the Audio Drive mode. The audio affects the environment and speed.

7 Feb, 2020

C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.

14 Jul, 2025

Nevergrind Online is the ultimate dungeon-crawl multiplayer blobber RPG focused on treasure hunting and slaying monsters! Create your hero and start climbing the ladder in normal mode—or, for those seeking the ultimate challenge, hardcore mode! No microtransactions ever!

11 Jul, 2024

Have you ever wanted to be a snail? Now you can be! Explore the vast Snearth with snail friends! Join monthly Snail Parties! MMOS (Massive Multiplayer Online Snails)! BECOME a snail (in a simulation)!

20 Nov, 2023

The ghosts are you. Trapped in a haunted arcade machine with up to 3 friends, you scavenge pellets to keep the safe room alive - while the thing that eats hunts you through the maze. Survive the night, uncover the machine's secrets, and escape.

18 Nov, 2025