可以和朋友在线一起玩的免费开玩（Sci-fi）游戏共 114 款，包括Guiding Light、Ultimechs和Foobar Zero。
全部游戏: 18
Guiding Light is a co-op game in which you and a friend need to rescue stranded aliens from all kinds of sticky situations. One player is an alien who goes down to the planet to execute the rescue operation, while the other pilots the UFO to help guide the alien on the ground.
We have retired online multiplayer support for Ultimechs and transitioned the game to a single-player-only experience. Thank you to everyone who has competed in the arena with us over the years.
Foobar Zero is a fast-paced multiplayer shooter game, with anime characters. Customize your characters with various outfits, create your own loadout with futuristic guns and swords, and dominate your enemies with superior movement!
SCP: ReEnter is a free, asymmetrical multiplayer FPS set during a massive containment breach. Players are randomly assigned to Humans or SCPs. Fight to secure the facility, escape, or slaughter everyone with seven playable anomalies.
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.
Welcome to the world of Freight Hopper. A high-octane first-person parkour experience. Test your spontaneous planning and reach the goal as fast as possible!
An online 4 player Battle Royale FPS, where each player has an AI teammate.
Scuffy Game is a First-Person Multiplayer party game that let's you play various minigames to play with friends (or by yourself. Your choice).
Code ZIN: Esper Arena is a Free To Play anime-style third-person arena shooter. Test both your reflexes and strategy in adrenaline-inducing combat. Succeed and become immortalized or fail and be forgotten. This is your chance for glory.
A free-to-play co-op sci-fi looter shooter where every mission changes the universe for everyone. Squad up with up to 4 friends, on the ground or in space, in real time or turn based, and push back the Void together.
LAZ3RZ is a fast paced, free to play arena shooter. Master the art of wall running and ricocheting lazerz to obliterate your enemies with style!
Drone Wars is a simple but unique multiplayer Sci-Fi first-person shooter, where you can play as a heavily armed combat drone or as a human special task force soldier.
A hyper-immersive audiovisual adventure originally created for Burning Man, Soundscape VR: 2017 now lives on as a de-commodified gift to all humans who hold a passion for music & visual arts.
It's judo on a minefield! Tech the grab or die, in this fast-paced 3D fighting game where every! single! throw! is lethal!
Your crew is on a mission to collect cargo. As you are going from moon to moon, there are creatures who will try and stop you. How long will you survive ?
Death or Glory: the ultimate duelling card game! Explore exciting realms that are the proving grounds for heavenly warriors, mighty beasts, powerful mechs, and more. Build your champion deck in a roguelike adventure mode and score ranks in intense battles against fellow champions!
Mauled is a Free-To-Play indie TPS by a solo developer. Fight relentless hordes alone or in online Co-op across varied maps. Collect tiered weapons, trigger tactical traps, and upgrade your character's stats as the difficulty rises round after round. Survival is your only goal.