Mycopunk
Cut through fungal aliens in this hyper-customizable, mission based looter shooter. Hundreds of hand-crafted upgrades, 4-player co-op, and a little roach man. What’s not to love?
88% positive of 4,600 reviewsPlaying now: 1,762$7.49
Action · Sci-fi · Space games to play together
167 Action · Sci-fi · Space games your group can play together online, including Mycopunk, Hubble Bubble, and Space Defender: Frontier Squadron.
All games: 24
Hubble Bubble
Co-op hookah shop sim for 1 to 4 friends. Run Ghalyan's Hookah Lounge on a space station: pack the bowl, light the coals, serve the aliens and act normal. Nothing on this station is normal.
92% positive of 112 reviewsPlaying now: 177$6.39
Space Defender: Frontier Squadron
A top-down space shooter with deep RPG progression. Fly a voiced story in four acts, from a war across three galaxies to the gravity wells of Kepler, lead your wingmen, hunt pirate captains and hold a collapsing front. Solo, or with a friend on the second controller.
98% positive of 125 reviewsPlaying now: 13$6.99
Mega Man Star Force Legacy Collection
The Mega Man Star Force series, which expanded into an anime, is back in the Mega Man Star Force Legacy Collection! This collection includes seven games and additional features like a gallery of illustrations and music! Online play is also supported!
95% positive of 671 reviewsPlaying now: 42$29.99
Planet Killer
A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.
83% positive of 136 reviewsPlaying now: 20$12.99
Zombie Assault: Resurgence
Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.
67% positive of 155 reviewsPlaying now: 980
Angels Fall First
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!
80% positive of 3,893 reviewsPlaying now: 20$17.99
Outlive 25
Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.
93% positive of 215 reviewsPlaying now: 14$11.99
Species: Unknown
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
92% positive of 9,967 reviewsPlaying now: 77$7.99
LOCKDOWN Protocol
A first person social deduction game, combining real time action and communication, playable up to 16 players. While most players will cooperate to complete objectives to ensure victory, a small portion of dissidents will try their best to stop them at all cost, without being caught.
84% positive of 16,725 reviewsPlaying now: 152$9.99
Jump Space
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
85% positive of 11,474 reviewsPlaying now: 186$19.99
ERA ONE
Start with your Command Center and expand it into a colossal modular flagship, module by module. Design custom warships from the ground up, grow a thriving civilization, and command powerful fleets across the Solar System in tactical real-time battles.
87% positive of 1,611 reviewsPlaying now: 45$29.99
Aliens: Fireteam Elite 2
This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.
60% positive of 3,780 reviewsPlaying now: 166$39.99
Revenge of the Savage Planet
Revenge of the Savage Planet is an upbeat, satirical action adventure Sci-Fi. Jump, shoot and collect your way across vibrant alien worlds, uncovering new gear and upgrades, while discovering various hidden secrets.
85% positive of 2,885 reviewsPlaying now: 31$29.99
Moros Protocol
Face the darkness in Moros Protocol, a pixel-painted sci-fi FPS roguelite. Survive the nightmare alone or with allies as you navigate the decaying warship, stalked by horrors and guided by a voice you don’t recognize. Adapt, upgrade, and push forward. You may be outnumbered, but not outmatched.
81% positive of 771 reviewsPlaying now: 7$24.99
Warhammer 40,000: Space Marine 2
Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.
84% positive of 173,626 reviewsPlaying now: 14,724$59.99
Astroloot
Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.
91% positive of 597 reviewsPlaying now: 10$6.99
Void Crew
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
85% positive of 6,598 reviewsPlaying now: 144$24.99
Cubic Odyssey
Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!
74% positive of 2,416 reviewsPlaying now: 54$9.99
Starship Troopers: Extermination
Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
79% positive of 29,763 reviewsPlaying now: 323$29.99
Star Vortex
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.
84% positive of 159 reviewsPlaying now: 1$24.99
Warhammer 40,000: Rogue Trader Co-op for Six
Explore the Koronus Expanse with up to five friends in online co-op, then share a six-character party through tactical battles, ship combat, and one Lord Captain’s story decisions.
87% positive of 34,531 reviewsPlaying now: 3,979$49.99
HELLDIVERS™ 2
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.
75% positive of 849,830 reviewsPlaying now: 36,685$39.99
Super Sus
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!
71% positive of 3,205 reviewsPlaying now: 259Free