可以和朋友在线一起玩的免费开玩（Co-op）游戏共 357 款，包括Kika & Daigo: A Curious Tale、Dransik和TUNNEL DIVERS。
全部游戏: 21
Kika & Daigo: A Curious Tale is a local splitscreen co-op game where you go on an adventure to find your lost grandpa. Use your unique abilities to work together to solve the mystery of grandpa's disappearance. Can you find back grandpa?
Dransik is a retro fantasy MMORPG that offers a variety of different ways to develop your character as you explore the world of Dransik.
Dive, destroy and escape. TUNNEL DIVERS is a F2P high octane twin stick shooter, where you pilot a close quarters based spaceship that excels in claustrophobic areas. Play online with or against other pilots, create your own levels in the level editor, and wage war against the rogue AI, Watch Dog.
Take over the gas station and convenience store at a roadside rest area and expand by purchasing new businesses. Manage a living world shaped by dynamic economy and random events. Upgrade your facilities, satisfy your customers, and play solo or with friends.
ST brings the most intense, tactical-action experience to Steam. Select your custom loadout, plan out strategies and accomplish your objectives. Addictive Survival mode and unrivaled multiplayer including Squads (1 vs 1, 2 vs 2, 2 vs 1)
A free-to-play co-op sci-fi looter shooter where every mission changes the universe for everyone. Squad up with up to 4 friends, on the ground or in space, in real time or turn based, and push back the Void together.
Unlike other similar soccer games, the user controls a single player instead of an entire team! World of Soccer RELOADED combines individuality and team play!
Super Club Soccer is a tactical turn based football game. FIFA Pro Clubs meets turn based RPG. Create your player and begin competing in tactical online battles against users from around the globe, or hone your skills against our AI in single player action. Start your soccer story today!
The genre defining VR model train game. Build and ride the model train layout of your dreams without the cost and excessive model foam dust getting in your nose!
In this cooperative third-person shooter, you take control of the P.U.N.K.’s. Rebels that shoot their way through an evil factory with high-powered paint blasters. Sabotage the tyrannical corporation and fight your way through their factory to achieve the highest chaos score!
A 2D Online RPG where you can become the most wanted pirate, the strongest bounty hunter or even the highest-ranking Marine! Customize your character to be uniquely yours, level up and find treasures. Start your adventure in the world of Pirate Souls now!
Fortress Fury is a survivor multiplayer tower defense roguelite. Endless hordes of enemies want to crush your tower! Buy weapons and upgrades to craft an array of overpowering builds. Will you be able to survive all waves and be the last tower?
Sentience is a multiplayer team hide and seek game set in a sci-fi dystopian world. Work together to take down the system or put a stop to the newly sentient resistance.
Take a 5 minute break to de-stress with this high-intensity, ultra simple, retro arcade shooter! Take down airplanes. Dig tunnels. Hide and seek shelter. Try and beat the highscore. That's all. Afterwards, you will go back to your life with renewed energy of body and mind.
Dragon World is a fun dragon game in a cartoon style. Battle other players or play cooperative in a survival game mode.
Help, step on, or sabotage your friend! In this 2-player only puzzle platformer, perfect chemistry is the only way through. Think your friendship can handle it?
Clash: Mutants VS Pirates is a 3rd person MOBA game that lets vicious space pirates face off against merciless mutants. Choose a side in this monumental battle and fight for nothing less than the future of the entire world!
A real-time grand strategy game set in a low fantasy world. Recruit vast armies to conquer the world. Dominate through strategic resource management and production chains.
You're now a monkey*, the room is full of stuff*, collect the stuff in the cardboard box while running away from the possessed monkey. EASY! Don't get caught!And if you're the one possessed, catch every monkey and explode them into the Bananaverse*.
Reimagine connecting people in virtual reality. Reborn is created with love and joy by our vibrant community! Quest:Reborn Discord:http://discord.gg/kFs7h7vtJJ
First-perspective Co-op horror game (up to 4 online players). A terrible incident has struck a Joseon-era village. Become an investigator and survive the cursed night.