可以和朋友在线一起玩的免费开玩 · 在线玩家对战游戏共 857 款，包括Maurice: In The Predator's Nest、Bloons TD Battles 2和Prison Life。
全部游戏: 24
Plunge into "Maurice: Predator's Nest". A survival game where you're either a cunning survivor or a fearsome predator in a dark, treacherous world. Outwit or hunt in this thrilling battle for survival.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
An online game that you'll play with 3-11 players as a Prisoner or a Guard and will try to escape or prevent escapes. Loot, Craft, and make your way to the exit, or investigate and arrest wanted players as a guard!
Welcome to the coziest way to kill your friends. Super Animal Royale is a 64-player, top-down 2D battle royale where adorably murderous animals fight tooth, claw, and machine gun. Then, relax in Super Animal World with fishing, hamsterball races, and story quests before the next fight to the death.
Build the strongest team of pets and tussle with your friends!
Soul Guardians is a 2D cross-scroll action RPG game. Hired as a mercenary of the Empire, the protagonist goes on a journey to stop the conspiracy of the Dark Forces Undertaker. Raising unique characters, collecting and combining chain arts to enjoy your own hot action!
Yu-Gi-Oh! MASTER DUEL is the ultimate free-to-play cross-platform strategy card game with fast-paced Duels, stunning HD graphics and a new, dynamic soundtrack! Get ready to challenge Duelists around the world!
Embark on an odyssey for the Lost Ark in a vast, vibrant world: explore new lands, seek out lost treasures, and test yourself in thrilling action combat in this action-packed free-to-play RPG.
Direct your battleship to glorious victory! Online battle under your leadership!
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
Skate and roll your way up to glory in Roller Champions™. Discover a free-to-play, team PvP sports game like no other!
Multiplayer survival horror game based on stories from the SCP Foundation. The game is about a facility containing anomalous entities known as SCPs. When a catastrophic containment breach occurs at one of the facilities, it is your main goal to escape the facility. Try to escape with your friends!
An unique long-term strategy game with week-long matches with up to 101 players, set in the alternate reality of 1919.
This is just an idle game for chilling, relaxing or focusing.
Fear Surrounds is a horror-tinged take on the werewolf-style social subterfuge genre, where two evil spirits hide within a group of players and attempt to sabotage and murder them.
A free fast-paced online multiplayer FPS with grapple hooks where you upgrade your stats with kills!
Graphwar is an artillery game in which you must hit your enemies using mathematical functions. The trajectory of your shot is determined by the function you wrote, and your goal is to avoid the obstacles and your teammates and hit your enemies. The game takes place in a Cartesian Plane.
Burg is a First-Person Multiplayer Hide and Seek! Both teams are equipped with a set of abilities they can use to evade/capture the other. When a hider is caught they join the seeker until only one player remains victorious!
A fast-paced online arena FPS with jetpacks, hang gliders, fast respawns, 6-minute rounds and instant matches
Argentum Online, a 2D MMORPG, offers epic quests, dungeon delves, and battles in a fantasy world. Emphasizing community, it features alliances, PvP, and a player-driven economy, all within a vibrant open-world setting.
Get ready for intense, skill-based FPS action with AQtion! Featuring the best of Action Quake 2, enjoy fast-paced combat, realistic weapons, and thrilling multiplayer battles. Dominate the arena now on Steam!
Assault Bots is a fast-paced multiplayer robot shooter game. Create your robot, let it drive, walk, or fly, and battle other players online in this intense shooter. Game features multiple maps and game modes.
World of Warplanes is an aerial combat MMO action game set in the Golden Age of military aviation. The game throws players into a never-ending battle for dominance of the skies.
From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience.