可以和朋友在线一起玩的动作（Sci-fi）游戏共 522 款，包括Outpost: Infinity Siege、Executive Assault 2和FreeInfantry。
全部游戏: 24
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.
It's either not for you or the best thing you ever played
Launch a counteroffensive to take back the Earth from alien invaders in this mecha action RPG.
A crazy, explosive fighting game with an expressive combo system and a diverse character roster! Play as superhumans, skeletons, aliens, and even stick figures! Battle dangerous foes, take part in lots of exciting singleplayer modes, throw your opponents into the sun, and so much more!
Stormstriker is a hyperactive 5v5 PvP third-person shooter with colorful hero characters, action-packed gameplay, and an emphasis on teamplay! Join the battlefield by choosing a hero that’s right for your playstyle!
The renowned Mega Man Battle Network series is back! Vol. 1 contains Mega Man Battle Network 1-3, including both versions of Mega Man Battle Network 3 for a total of four titles, plus additional features like a gallery of illustrations and music! In addition, online play is supported!
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
The renowned Mega Man Battle Network series, which has expanded into anime and comics, is back. Volume 2 includes six action packed games from both versions of Mega Man Battle Network 4 to both versions of Mega Man Battle Network 6, plus additional features like a gallery and online play!
Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home.
ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Set on the earth and in space on July 14, 2520 A.D., the film explores the mystery of mankind's extinction. Various terrains become battlefields. Enemies attack from all directions. There are 23 bosses in total. Aim for a high score by making full use of score bonuses and level-up weapons!
A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.
The new 3D Waifu Sci-Fi RPG Shooter is here! Aim at fate, fight by our side! Clear the specified stage to claim an Orange-Tier Operative!
Kingdom Eighties is a short story-based standalone expansion set in the Kingdom universe. A rad adventure of micro-strategy and base building in vivid ‘80s neon. Defend your town against the mysterious Greed and discover the secrets of your family lineage!
Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?
BREAK THE CYCLE Fight to survive as this award-winning third-person shooter brings Selene’s story to PC. Take on roguelike challenges. Engage enemies in bullet hell-fuelled clashes. Share your journey through Returnal™ with another player.
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Spiders with laser swords! Duel to the death against your friends or choose to team up and hold back swarms of savage enemies. Swing, stab and shoot with style, effortlessly performing movie-worthy parkour.
TRIBES 3: Rivals is a team-based first person shooter that elevates the genre with jetpacks, skiing, and class-based warfare. Teamwork, tactics, high speed, and intense combat are supreme in this rebirth of the world’s fastest shooter.
Aim to conquer Aincrad with Kirito and Asuna
Exoprimal is an online, team-based action game that pits humanity's cutting-edge exosuit technology against history's most ferocious beasts – dinosaurs.