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%76% positive of 3,456 reviews46KPlaying now: 45,974$8.99
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%94% positive of 135 reviews124Playing now: 124$6.39
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
84%84% positive of 2,595 reviews631Playing now: 631$19.99
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
83%83% positive of 855 reviews50Playing now: 50$18.99
Procelio is a multiplayer vehicle builder/shooter set amidst a proxy war on the red planet. Build and refine your custom machines from orbit, then pilot them in a distant war against CPU and enemy players.
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%92% positive of 10,139 reviews77Playing now: 77$7.99
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%84% positive of 16,725 reviews152Playing now: 152$9.99
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%77% positive of 117 reviews1Playing now: 1$14.99
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%80% positive of 29,766 reviews323Playing now: 323$29.99
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%90% positive of 890 reviews8Playing now: 8$14.99
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%79% positive of 496 reviews2Playing now: 2$9.99
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%91% positive of 2,905 reviews19Playing now: 19Free
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%82% positive of 863 reviews5Playing now: 5$19.99
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
80%80% positive of 436 reviews3Playing now: 3$9.99
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%97% positive of 3,805 reviews31Playing now: 31$19.99
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%61% positive of 2,036 reviews26Playing now: 26$29.99
A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?
70%70% positive of 1,013 reviews14Playing now: 14$19.99
A terrifying online horror game where one player becomes an impostor monster. Disguise, hunt, and destroy your friends — or work together to survive. Mimicry is a fast-paced, multiplayer fun game full of deception, fear, and chaos.
77%77% positive of 253 reviews8Playing now: 8$2.99
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%94% positive of 4,572 reviews198Playing now: 198$24.99
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
89%89% positive of 13,057 reviews415Playing now: 415$24.99
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
65%65% positive of 1,414 reviews11Playing now: 11$19.99
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players, or just sit and chat with the friendly community.
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.
83%83% positive of 353 reviews16Playing now: 16$14.99