可以和朋友在线一起玩的动作（Sci-fi）游戏共 521 款，包括Block Fortress 2、Daemon X Machina: Titanic Scion和EARTH DEFENSE FORCE: WORLD BROTHERS 2。
全部游戏: 24
Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your stronghold against relentless attacks. Team up with a friend or fight alone in this action packed block builder, where only the strongest survive.
Feel the exhilaration of fast-paced combat in your fully customized armored suit as you freely explore a deadly and dangerous world on land or in the air. Take on titanic boss battles with alone or with up to two other friends in online co-op!
The Earth is in pieces...again! We've gotta do more to save the planet!
In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.
Star Vortex is a fast-paced Action-RPG inspired by classics of the genre. Design your ship, fight through hostile alien sectors solo or with friends, salvage rare weapons and experiment with powerful builds until nothing can stand against you.
Avatar: Frontiers of Pandora™ is a third and first-person action-adventure game set in the Western Frontier. Reconnect with your lost heritage and discover what it means to be Na'vi.
Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.
Squad up in Mecha BREAK, a multiplayer third-person shooter offering three intense game modes filled with ground and aerial combat. Pilot your Striker into the breach and neutralize enemies. Are you ready for the ultimate showdown?
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
Purchase FBC: Firebreak and invite your friends to play the full game for free on any platform. FBC: Firebreak is a three-player cooperative first-person shooter set within a mysterious federal agency under assault by otherworldly forces.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
Blast through robotic hordes in this arena auto-battler rogue-lite Brotato-like. Use auto-firing weapons and drones, timely dashes and special abilities to reach the Void where a final Conservator awaits convergence. Spend your Cogs wisely within the varied shops to create unique builds!
Climb into the cockpit of a 40-ton war machine. Built for VR, this mech simulator puts every switch, weapon, and system in your hands. Customize your mech, fight solo against bots, play offline, or face rival pilots in tactical 8v8 cross-platform combat.
与最多五位朋友在线探索科罗努斯疆域，共享六人队伍、战术战斗与太空战；故事中的最终决定由一位领主船长作出。
SPLITGATE: Arena Reloaded fuses the best of Splitgate 1 & 2, bringing back that classic arena shooter feel. Jump into fast-paced arena modes or drop into Arena Royale, a battle royale built on arena DNA. Play Season 2 now.
Iron Meat is a run-and-gun arcade shooter that immerses players in an apocalyptic future overrun by "The Meat," an iron-ravenous mass mutating everything in its path. Blast your way through retro-inspired stages and bosses to uncover the shocking horrors behind secret experiments on the Moon.
Create your own ultimate Gundam in the newest Gundam Breaker! With more customizable parts than ever before, you finally have the freedom to build your perfect Gunpla. Test it in battle using the brand new dual-weapon system and break parts off of your enemies and add them to your collection.
The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.
Fly near-future aircraft with immersive physics across dynamic battlefields, facing land, air, and sea threats. Wage war against AI or rival pilots using an array of advanced weaponry, including tactical and strategic nuclear weapons capable of annihilating anything in your path.
Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments.
Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard!
The Forever Winter is a tactical shooter where you and your squad must loot the dead to survive beneath gargantuan war machines in a dystopian future of AI automata, cybernetically enhanced soldiers, and endless conflict. Millions of deaths later, the war continues with our latest update!
Live the future of despair.The year is 2024 AD. The survivors fought against the remaining threats while trying their best to continue their recovery.Three years passed in the year 2027. In a new world without hope, the time has come to once again resist the fate of the Earth.
A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!