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 4,652 reviewsPlaying now: 1,762$7.49
Action · Co-op · Space games to play together
108 Action · Co-op · Space games your group can play together online, including Mycopunk, Moon Sweepers, and Hubble Bubble.
All games: 24
Moon Sweepers
An entire Moon to clean. One toothbrush to start. Team up with up to 16 players, collect and sell lunar dust, upgrade your tools, and unlock cleaning vehicles. Turn a ridiculous job into a thriving operation, if your friends actually help.
76% positive of 3,456 reviewsPlaying now: 49,089$8.99
Hubble Bubble
Co-op shopkeeper simulator for 1 to 4 players. Run a hookah lounge on a space station: take orders, prep hookahs, brew coffee, pour tea and restock supplies. Every dollar goes back into the place, from bare walls to a two-floor lounge with a drive-thru. Physics everywhere, gravity sometimes.
94% positive of 135 reviewsPlaying now: 124$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.
97% positive of 126 reviewsPlaying now: 13$6.99
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
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.
84% positive of 11,479 reviewsPlaying now: 186$19.99
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.
83% positive of 173,697 reviewsPlaying now: 15,601$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!
73% positive of 2,419 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!
80% positive of 29,766 reviewsPlaying now: 323$29.99
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.
86% positive of 34,546 reviewsPlaying now: 3,910$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.
74% positive of 849,995 reviewsPlaying now: 40,129$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 3,207 reviewsPlaying now: 259Free
Risk of Rain Returns
Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!
89% positive of 24,859 reviewsPlaying now: 230$14.99
Classic Marathon Infinity
From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.
88% positive of 288 reviewsPlaying now: 3Free
Classic Marathon
From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.
90% positive of 1,304 reviewsPlaying now: 5Free
Entropy Survivors
Pilot a sword-swinging mech and a sharpshooting space frog at the same time in this bullet heaven roguelike. Throw empty shotguns, fire guns that shoot bees and build absurd combos across 20-minute runs: solo or in 2–4 player online co-op.
79% positive of 496 reviewsPlaying now: 2$9.99
Classic Marathon 2
From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.
92% positive of 428 reviewsPlaying now: 2Free
STAR WARS™: Episode I: Jedi Power Battles™
Take back the Theed Royal Palace in this fast and furious lightsaber action game. You will have the power of the Force and your trusty lightsaber to help you ward off legions of battle droids, destroyer droids, assassins, and other creatures from Star Wars: The Phantom Menace.
78% positive of 365 reviewsPlaying now: 1$19.99
Executive Assault 2
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.
81% positive of 1,605 reviewsPlaying now: 10$24.99