可以和朋友在线一起玩的免费开玩（3D）游戏共 393 款，包括Neighbors: Suburban Warfare、Mesozoic Dawn和hololive Dreams。
全部游戏: 24
Neighbors: Suburban Warfare is a chaotic online multiplayer party brawler where suburban rivals go to war. Team up with friends in wild PvE and PvP matches, destroy rival houses with everyday items turned weapons, and defend your home using traps, gadgets, and crazy team combos.
Mesozoic Dawn is a multiplayer online dinosaur survival game. Starting as a vulnerable juvenile dinosaur, you must navigate the perils of the prehistoric wilderness, utilizing the core "Growth + Nesting = Evolution" system to achieve leapfrog species iteration and evolution.
The official hololive rhythm game and RPG -- hololive Dreams -- is now on Steam! Enjoy rhythmical gameplay, park development, and mini-games. Featuring 50+ members and 150+ songs, it's perfect for fans and newcomers alike. Play your way!
"The 2026 Tribal Adventure MMORPG is Now Available! Answer the Call of the Wild. Start Your Hunt Now!"
A dynamic speedway game offering a realistic driving model, exciting competition, and multiple game modes. Develop your rider career, race on authentic tracks, and fight for victory in single-player and multiplayer modes. Experience the true thrill of speedway and prove your dominance on the track.
World of Sea Battle is a free-to-play open-world MMO set in the Age of Sail. Catch the wind and fire a broadside before your enemy does. Rise from a schooner to a ship of the line through PvP and PvE battles, trade, explore the Endless Sea and join guild wars for the Archipelago.
Arena Breakout: Infinite is a high-stakes tactical extraction shooter where every decision matters. Fight, loot, and extract—or lose it all. With stunningly realistic visuals, lifelike sound, and unforgiving PvPvE combat, every raid is a gamble between glory and ruin.
A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!
Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.
A cozy multiplayer co-working sandbox with character customization, room building, and productivity tools. Focus, study, work, and relax together with friends and players around the world.
Chase a cheese wheel down a steep hill! Tumble with friends in this ragdoll recreation of an English tradition.
Modern Warships is an online action game about contemporary military vehicles. Join now and detect the enemy with recon aircraft, launch volleys of guided missiles from cruisers, sneak up to surface vessels with submarines, and provide cover to the allied fleet with jet fighters and helicopters.
Build your All-Star lineup in Total Football Online! Easy to pick up, it lets you dive into pure football fun at your fingertips. With events and player updates syncing with real-world tournaments, get ready for a truly immersive football experience.
Avakin Life is an endless social world waiting for you. Live your dream life, from unique and customizable avatars to stylish fashion outfits and personalized dream homes. Hang out with friends, join parties, and embark on adventures in a world where you are in control of everything.
Aero Tales Online is a free Cross-Platform Anime MMORPG with PvP, PvE, Fortress War, Faction War, Guild War, and life-sim features like Cooking, Farming, Fishing, Housing, Marriage, and even flying freely across the world. Uncover the mystery of the Key of Skylight and begin your adventure!
Game of Thrones: Kingsroad is an action RPG game based on HBO's TV series, bringing Westeros to life on an unprecedented scale with incredible detail. As darkness stirs beyond the Wall and the order of the kingdoms collapses, your choices will forge a new history for Westeros.
Join this free-to-play PvP online naval shooter with fast-paced combat, easy-to-learn gameplay, intuitive controls, and cross-platform play on Steam, console, and mobile. Choose from 600+ warships and 150+ Commanders, and master tactics on diverse maps. Play now and become a legend!
Play free and try tables in trial mode with Zaccaria Pinball, featuring 175+ tables, including 40+ officially licensed from Zaccaria was founded by three brothers: Marino, Franco, & Natale. Zaccaria was one of the three largest pinball manufacturers in the world, next to Bally & Williams.
Join millions of players online in the No.1 Cross Platform pool game! Experience stunning visuals, realistic physics, and fast-paced modes like 8-Ball, 9-Ball, and Blitz. Challenge friends, master trick shots, and climb the leaderboards - new to Steam!
Arcade drifting with 50+ dream cars, from JDM icons to American Muscle. Master the art of the drift in a huge career, then dominate the competition in cross-platform online battles. Your legend begins now—no high-end PC required.
Survive the chaos of SCP Foundation! Step into a thrilling SCP horror experience with story-driven co-op, intense PvP Breach mode, and randomized maps. Play as Class-D, scientist, SCPs, and more, each role bringing unique challenges in an unpredictable, immersive facility.
Myth of Empires: Throne is a free seasonal multiplayer warfare sandbox. Explore vast lands inspired by multiple civilizations, tame creatures, forge powerful weapons, and build your guild. Lead cross-server expeditions, conquer territories, and compete with players worldwide for the ultimate throne!
Forward Assault is a modern strategic tactical multiplayer shooter game. Play in teams either as the Counter Terrorist, or the Terrorist team. Pick from a variety of unique weapons and go online in PvP combat to either plant or defuse the bomb.
Grapples Galore is a fast-paced online multiplayer arena shooter with physics-based grappling hook movement, active ragdolls, and thrilling gunplay.