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
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%85% positive of 6,598 reviews144Playing now: 144$24.99
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.
85%85% positive of 11,474 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
An open world survival craft game for 1 to 4 players, set on a frozen exomoon where your base is a train carrying the last of humanity, and standing still is slowly killing it. Fight, scavenge, and craft your way to a train 1,000 wagons long. But every death costs you a passenger.
67%67% positive of 390 reviews9Playing now: 9$14.99
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
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 9,967 reviews77Playing now: 77$7.99
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
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 136 reviews99Playing now: 99Free
Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.
62%62% positive of 2,485 reviews15Playing now: 15$24.99
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
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
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
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.
88%88% positive of 102,789 reviews4.4KPlaying now: 4,445$19.99
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 reviews566Playing now: 566$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 15,689 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
You signed up to deliver food in the underworld, alone or with up to 8 friends. Everynight your work condition changes. Take orders, dodge monsters, and survive the night - or be trapped in hell forever.
74%74% positive of 294 reviews9Playing now: 9$4.95
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