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
Indie · Singleplayer · Space games to play together
90 Indie · Singleplayer · Space games your group can play together online, including Mycopunk, Astro Colony, and Angels Fall First.
All games: 24
Astro Colony
Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!
80% positive of 2,436 reviewsPlaying now: 189$19.99
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
SpaceCraft
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
62% positive of 2,713 reviewsPlaying now: 317$29.99
Occupy Mars: The Game
Survive and colonize Mars alone or in online co-op. Build and upgrade your base, craft equipment, mine resources, produce water, oxygen and food, explore an open world, and repair complex machinery in a technical survival sandbox.
67% positive of 2,736 reviewsPlaying now: 87$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
ACE Strategy: Mecha Nova
A tactical roguelike deck building game. Recruit elite mecha pilots, deploy drones and cast commands. Master your ACE mechas while collecting unique cards and chips in battles, and form your own build for total battlefield dominance.
77% positive of 117 reviewsPlaying now: 1$14.99
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
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
Sixtar Gate: STARTRAIL
Sixtar Gate: STARTRAIL is a rhythm game for keyboard set against a space exploration backdrop. Captain your science vessel alongside your navigator Shii as you explore the vast Sixtar system!
86% positive of 1,424 reviewsPlaying now: 5$24.99
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
Relentless Expanse
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!
91% positive of 113 reviewsPlaying now: 1Free
Nexus 5X
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
90% positive of 890 reviewsPlaying now: 8$14.99
Planet S
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
91% positive of 2,905 reviewsPlaying now: 19Free
SENTRY
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
82% positive of 863 reviewsPlaying now: 5$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
Spin Rhythm XD
Enter the Rhythm Dimension. A homage to classic arcade rhythm games (Guitar Hero, DDR), with a modern aesthetic and soundtrack. Match colours and beats, spin, tap, flick and flow through the juiciest beats in the universe. Supports multiple control styles including MIDI DJ gear on Steam!
97% positive of 3,805 reviewsPlaying now: 31$19.99
QANGA
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
70% positive of 567 reviewsPlaying now: 1$19.99
DemonStar
The shareware legend DemonStar comes soaring back with new game modes and revised gameplay. Originally published in 1997, DemonStar has earned the Computer Gaming World's "Shareware Game of the Year 1999" award..
94% positive of 251 reviewsPlaying now: 1$2.99
TerraTech Worlds
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
61% positive of 2,036 reviewsPlaying now: 26$29.99
Heavenly Bodies
Wrangle the hands and arms of a 1970s space cosmonaut and push, pull and twist your way through an increasingly precarious range of physically simulated stellar scenarios, where without gravity, nothing is still, nothing is secure, and nothing is simple.
95% positive of 3,786 reviewsPlaying now: 17$19.99
Creeper World 4
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
94% positive of 4,572 reviewsPlaying now: 198$24.99
Gaia Project
Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland Verlag". It is a 1-4 player strategy game. It plays in the same universe as Terra Mystica and continues the adventure in the far future.
80% positive of 352 reviewsPlaying now: 6$24.99
Empyrion - Galactic Survival
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
78% positive of 29,243 reviewsPlaying now: 566$19.99