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
Play as a variety of creatures or characters and try to survive either maintaining or attacking a space station while everything that can go wrong has already gone wrong.
80%80% positive of 142 reviews49Playing now: 49Free
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%62% positive of 2,713 reviews317Playing now: 317$29.99
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%84% positive of 11,479 reviews186Playing now: 186$19.99
Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.
77%77% positive of 1,002 reviews10Playing now: 10$6.99
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
89%89% positive of 4,413 reviews24Playing now: 24$19.99
Uncover the fate of humanity's final outpost as you survive and explore a thrilling world of floating islands. Brave the skies on your own or assemble a squadron of friends, and scavenge scrap to engineer and upgrade flying vessels, bringing your airship along for the journey.
65%65% positive of 196 reviews1.3KPlaying now: 1,348$22.49
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
An Idle Space MMORPG where you progress at your own pace, but the universe is built together. Explore a procedural galaxy of nearly 50 million star systems alone — or join a Squadron to pool resources, raise space stations, upgrade shared buildings, and expand across the stars as one.
67%67% positive of 137 reviews99Playing now: 99Free
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
85%85% positive of 4,655 reviews21Playing now: 21$15.99
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
You are lost in the Bermuda Void, where the ocean is endless and dry land precious. Craft your Ship-in-a-Bottle, then experience survival on the high seas. Sail for new land, build camps, hunt for treasures, trade for goods - then defend your ship from dreaded pirates stalking this strange realm!
75%75% positive of 480 reviews8Playing now: 8$24.99
WASD : The Adventure of tori is an online co-op game for 2–4 players, where each player can only use their automatically assigned key (W, A, S, or D). Even a small mistake can make the team fail, so talk with your teammates and work together! You’ll learn the rest by crashing into it… a lot.
83%83% positive of 759 reviews6Playing now: 6$3.99
Share a Creative or Survival world in Space Engineers, where your group turns mined resources and block-by-block ideas into ships, bases, and missions.
89%89% positive of 102,794 reviews4.4KPlaying now: 4,445$19.99
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
87%87% positive of 3,994 reviews17Playing now: 17$4.94
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%67% positive of 2,736 reviews87Playing now: 87$29.99
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%78% positive of 29,243 reviews586Playing now: 586$19.99
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
80%80% positive of 15,704 reviews184Playing now: 184$0.83
Wild Woods is a couch co-op game full of action, teamwork and woodland critters. One to four players take on the role of brave little cats defending their wooden wagon on its way through a dangerous forest. Clever cooperation is key - their way is full of obstacles!
78%78% positive of 1,810 reviews101Playing now: 101$14.99
Sign up to be a galaxy trucker today! An adaptation of Vlaada Chvátil’s award-winning board game is now on Steam. Already includes the ALIEN TECHNOLOGIES expansion!
88%88% positive of 216 reviews6Playing now: 6$9.99
Experience the award-winning space saga. Travel to hyperspace, discover alien worlds, and meet an eclectic cast of characters. Find out what happened after the Ur-Quan invasion. And if the war still rages, fight for Earth and the Alliance of Free Stars!
In the midst of a site-wide containment breach, you must team up with other Class-D personnel to escape the underground, isolated facility while evading the dangerous anomalies that have breached containment.
64%64% positive of 3,542 reviews2Playing now: 2Free
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
62%62% positive of 1,132 reviews0Playing now: 0$19.99