可以和朋友在线一起玩的动作（Sci-fi）游戏共 522 款，包括Vector 36、The Last Camp : Dawn和The Pit: Infinity。
全部游戏: 24
Race across the terraformed surface of Mars in your Skimmer, a completely customizable hover racing vehicle. Piloting skill and engineering make the difference between winning and losing in Vector 36, a Physics-Based Racer. Available with and without VR or HOTAS.
The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.
Enter a legendary alien facility dug deep into the Feldspar Mountains... a massive Pit, built by the ancient Suul'ka. Enter The Pit again for the first time, in this unique Roguelike / FPS hybrid!
Help Frank F. Franky fight the evil cardesians, zombies & robots while setting your arrested friends free. Bullshot is a run 'n gun game that tries to recover the essence of the 90s classics, such as Abuse, Contra or the Metal Slug sagas.
Shogo is an anime-inspired first-person shooter. Fight on foot or pilot a giant mech in both open and urban levels. You will know the true power of giant robots!
Our world is in danger! Grab your gun and stop these uninvited guests!
Is Bubsy a celebrated icon from the mascot wars of the early 90s or a platforming punchline? Bubsy in: The Purrfect Collection explores the franchise's troubled history and enduring popularity. A playable history that includes games, artifacts and interviews. What could possibly go wrong?
Unleash your combat prowess in Master Arena: Immerse yourself in the pulse-pounding FPS action featuring dynamic movement, 9 powerful weapons, 24 unique arenas, and a strategic perk system. Engage your adversaries with finesse in tactical duels, evolving to claim the title of the ultimate champion.
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.
Run, gun and explore an open undercity in this otherworldly non-linear Metroidvania adventure about the Old Gods, strange creatures and the remnants of a lost world!
UFOs! Aliens! Aircrafts! Resistance! SHOOT 'EM UP! Squad 51 vs. the Flying Saucers is a spaceship shooter with 2D gameplay and 3D environment. Enjoy a smart combination of a fast-paced shooting experience and the 1950's sci-fi movies aesthetic, with live-action cutscenes.
Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.
"FOXSOLDIER"is an action RPG hardcore sci-fi adventure game with multiplayer competition as the core.Only use the left and right buttons of the mouse to operate the 4 action systems of shooting, long sword, kung fu and locomotive.
在在线或局域网合作中探索程序生成的世界，打造法术配置、发展定居点，并共同削弱 Overlord。实际测试的参考人数为 8 人；更大的联机规模不作保证。
Drink More Glurp is a wacky physics, sports(ish), hot seat, party game set on a distant world where aliens have copied Earth’s summer games and got everything slightly wrong. Compete in crazy contests with up to 20 local players or challenge the world on the global leaderboards.
Traverse 'The Arc' in this beautiful, Cyberpunk-styled action rogue-lite as you attempt to reset an evil rogue AI. Experiment with different weapons and augments as you fight hordes of machines programmed for your annihilation! Collect Nanites & power-up after every run either solo or with friends!
Zedfest is the goriest game show ever created! A hardcore 6 player co-op third-person shooter with the goal to complete objectives while neutralizing Zeds with lots and lots of visceral gore.
Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night. But the secrets of this world await in a gripping sci-fi survival PvP game.
HIVE JUMP is a sci-fi action platformer for 1-4 players blending run ‘n gun gameplay with roguelike elements.
A 4-player online co-op third-person PvE shooter where intense combat meets high-pressure cooking. Battle hordes, coordinate your loadout, and cook under fire to build your pizza empire.
A steampunk roguelike with a unique fighting mechanic. Master the piloting of giant mechanical worms, lay waste to all that stand in your way and reclaim your rightful place on the throne.
Jar Wars is a slap-stick multiplayer VR game. Battling with friends and foes using impractical weapons like giant rockets, a hologram sword, and boxing gloves. Will you be the last brain standing?
Stardust Galaxy Warriors: Stellar Climax is a fast-paced couch co-op action shooter with SHMUP/Brawler gameplay and RPG elements. Choose your mechs, weapons & upgrades then soar through space, defeat evil & save the future... from itself!