可以和朋友在线一起玩的Sci-fi游戏共 703 款，包括BREAK ARTS II、The Bug Butcher和Jamestown。
全部游戏: 24
Faster than anyone. Stronger than anyone. And more stunning. Customize your robot for “cyber battle racing” in a game that offers all the thrills of racing, battle, and customization. Online, Offline, Time-Attack... which mode will you dominate?!
A fast paced action shooter inspired by the arcade classic Super Pang! Use a wide selection of weapons and powerups to tear through increasingly challenging levels.
An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.
Livelock is a co-operative top-down shooter for solo players or up to three players online. Choose Hex, Vanguard or Catalyst, unleash an arsenal of weapons and abilities, and fight through a machine-ruled world to unlock Eden and revive humanity.
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
Frog Fighters is a light-hearted, fast-paced, third-person-shooter where you become a frog on a lily pad with an ability to shoot other flying frogs with different types of laser-leafs.
Swords of Gurrah is a real time multiplayer sword fighting VR game. Fight with or against friends, with battles up to 12 players. Choose from over a huge variety of weapons and create a fighting style of your own!
Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!
Welcome to the grim darkness of the far future! Experience the war-torn universe of Warhammer 40,000 brought into jaw-dropping, visceral reality for the first time in VR. Immerse yourself in a gripping, action-filled story spanning the galaxy.
Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!
UNDERWARD is a 1-4 player co-op horror exploration game. Investigators must carry «TEST-SUBJECT» monsters from a deadly underground abandoned hospital ward.
带着灯笼逃离追逐的暗影，或与最多三位好友护送限时炸弹。本地和在线合作均可游玩。
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.
PACER is high-octane anti-gravity racing at its most destructive. Customise your craft and weapons then engage in the campaign, a single-player race or compete against your rivals in explosive online multiplayer for the ultimate combat racing experience.
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Enter a world beyond imagination with The Last Oricru - Final Cut. An action RPG, The Last Oricru - Final Cut unravels in a fantasy world blending sci-fi and medieval elements to deliver an experience like no other. Seize your destiny and take your place in this adventure for single or co-op play.
"Different realities, different rules, but always fun". In the multiplayer game Cartoon Strike, each map offers a different gaming experience. Players can enjoy a few minutes of fighting in the WWII, followed by a few minutes in the present, future or even funny mode.
In the seas of the distant future, humans have all but disappeared. In your current, newly-awakened state, you are no more than a piece of seafood. However, you have been blessed with the talent for leading your allies into battle. Do whatever it takes to become the Ace of Seafood.
Experience the addictive gameplay of old-school arcade favourites, updated and improved for the 21st century! Unique retro-futuristic sound and graphics, player responsive difficulty, and a subtle system of tactics combined with classic gameplay make Ultratron a fun and hypnotic arcade blast.
Hack greedy megacorps to help as many people as you can in a high-agility cyberpunk looter/shooter RPG. Explore neon cyberspace vistas and outmaneuver AIs to customize your hacker OS and weapon combos. Play solo or online co-op with up to 10 people!
A pioneering tactical shooter and landmark comic book adaptation, Rogue Trooper is back, remastered and revitalised in true high definition. Experience acclaimed third-person action in this BAFTA-nominated tale of betrayal and revenge at the far reaches of the galaxy!
Black Future ’88 is a Synth-Punk roguelike 2D action Shooter. Vertically climb an always evolving procedural tower to reach the top and kill its insane owner…before your heart explodes. Shoot, slash, dash and upgrade yourself to survive the endless waves of Homicidal AI, Traps & Colossal Wardens.
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!