Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74
Co-op games like Moonbase Alpha
Looking for that same funny and chaotic spark as Moonbase Alpha? These co-op games keep things close enough to feel familiar. Many of them are fun to share with friends.
Moon Sweepers
The Moon is filthy and your budget covers one toothbrush. Moon Sweepers sends you and up to 15 co-op friends to fix that: sweep dust, haul it to a depot, launch it for cash, then buy better tools and cleaning vehicles. Simple work, shared badly, laughed about loudly.
Relaxing
76% of 8,789 Steam reviews are positivePlayers online now: 37,166$8.99Moon Crashers
Moon Crashers is a 4-player online co-op game. Crash-land on the lunar surface with your squad, drift across craters, scavenge junk & rare minerals, uncover ancient ruins, build your ride, and rocket back home. Think you can make it home?
Funny, Chaotic
62% of 37 Steam reviews are positive$7.99ASTRONEER
Land on bright alien planets with co-op friends, reshape the ground with your terrain tools, and build a shared base from printers, power plants, and rails. A relaxed space sandbox built for 2-4 players to explore, build, and survive together.
Relaxing
91% of 119,366 Steam reviews are positivePlayers online now: 1,036$29.99MoonMiners
MoonMiners is a cooperative survival simulator of miners in space, in an alternative dystopian future. You take on the role of space miners working for an evil corporation far from home, and it will be much easier for you to die than to do your job.
Funny, Chaotic
93% of 206 Steam reviews are positive$4.99Mars Colony:Challenger
Mars Colony: Challenger is a 3D first / third person game that offers you the challenge of setting up a remote base on the surface of Mars. At its core, the game was derived from a simulator where everything is interactively tied together.
64% of 114 Steam reviews are positive$4.99Occupy Mars: The Game
Survive and colonize Mars alone or with co-op friends in a technical open-world survival sandbox. You build a base, mine resources, keep water, oxygen, power and food running, fix machines with real tools, and roam Mars looking for the right place for a city.
68% of 2,746 Steam reviews are positivePlayers online now: 124$29.99Astro Colony
Astro Colony is a voxel-space factory game about turning scattered planets into one linked industrial colony, alone or with friends. You move stations, dock them together, run conveyors and pipes, keep astronauts fed and housed, and research your way toward home. Relaxed and open-ended, it suits co-op friends who want to build side by side.
Relaxing
80% of 2,447 Steam reviews are positivePlayers online now: 83$19.99Take On Mars
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
55% of 1,754 Steam reviews are positivePlayers online now: 2$1.99Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends. Approximately Up pairs sandbox shipbuilding with a 200-hour mission story across 15 planets, where every backward thruster and missing cable is your crew's problem to solve.
Chaotic, Relaxing
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74Star Rangers™ XE
Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.
Chaotic
28% of 118 Steam reviews are positive$11.99StarsOne
You’ll see an unexplored world full of dangers, mysteries and adventures. You will explore randomly generated planets, develop industry, conduct trade, plant colonies, explore outer space.
73% of 480 Steam reviews are positive$9.99Lethal Company
You and your co-op friends land on abandoned moons, grab scrap from their rusting ruins, and sell it to the Company before you miss quota. Days start silly and end scary, and someone always gets left behind.
Funny, Chaotic
96% of 412,249 Steam reviews are positivePlayers online now: 4,108$9.99
Hidden gems like Moonbase Alpha
Together: Moon Escape
You and one partner are Moonfishers stuck working for Moontella, a company mining lunar slime for fancy restaurants.
90% of 946 Steam reviews are positivePlayers online now: 19$9.99
MoonMiners
MoonMiners is a cooperative survival simulator of miners in space, in an alternative dystopian future.
93% of 206 Steam reviews are positive$4.99
Olympius
Join the resistance against a rogue AI and fight combat drones across 30 story missions.
87% of 256 Steam reviews are positivePlayers online now: 33$17.99
Astro Colony
Astro Colony is a voxel-space factory game about turning scattered planets into one linked industrial colony, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 83$19.99
Roadside Research
Roadside Research puts you and up to three co-op friends in charge of a gas station, except you are aliens in paper masks studying humans for an…
85% of 4,129 Steam reviews are positivePlayers online now: 97$14.99
My Little Universe
Stranded on a barren moon with a fuelless ship, you rebuild 9 mythical worlds block by block.
89% of 1,548 Steam reviews are positivePlayers online now: 52$14.99
Emissary Zero
Emissary Zero sends you and up to three co-op friends into a shifting building at night to find the Moon and get out alive.
83% of 2,785 Steam reviews are positivePlayers online now: 1$8.99
Signs of Life
A sci-fi survival sandbox where you and co-op friends crash-land on a strange planet with little more than a wrist laser and a faulty AI.
76% of 744 Steam reviews are positivePlayers online now: 131$9.74
Aground Zero
The world has ended. You are deep underground, and all alone with a cheery AI companion.
80% of 123 Steam reviews are positivePlayers online now: 2$19.99
Moon Sweepers
The Moon is filthy and your budget covers one toothbrush. Moon Sweepers sends you and up to 15 co-op friends to fix that: sweep dust, haul it to a…
76% of 8,789 Steam reviews are positivePlayers online now: 37,166$8.99
Occupy Mars: The Game
Survive and colonize Mars alone or with co-op friends in a technical open-world survival sandbox.
68% of 2,746 Steam reviews are positivePlayers online now: 124$29.99
Newest co-op games like Moonbase Alpha
Signs of Life
A sci-fi survival sandbox where you and co-op friends crash-land on a strange planet with little more than a wrist laser and a faulty AI.
76% of 744 Steam reviews are positivePlayers online now: 131$9.74
Totally Safe Moon Project
Earth is about to get flattened by an asteroid, so you and up to three co-op friends stack fences, boxes, houses and actual clouds into a tower to…
78% of 82 Steam reviews are positive$4.49
Moon Sweepers
The Moon is filthy and your budget covers one toothbrush. Moon Sweepers sends you and up to 15 co-op friends to fix that: sweep dust, haul it to a…
76% of 8,789 Steam reviews are positivePlayers online now: 37,166$8.99
Olympius
Join the resistance against a rogue AI and fight combat drones across 30 story missions.
87% of 256 Steam reviews are positivePlayers online now: 33$17.99
Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74
SpaceCraft
SpaceCraft hands you a whole galaxy to run with co-op friends: scan planets, mine what you find, build ships part by part, then set up automated…
63% of 2,742 Steam reviews are positivePlayers online now: 232$29.99
Astro Colony
Astro Colony is a voxel-space factory game about turning scattered planets into one linked industrial colony, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 83$19.99
Together: Moon Escape
You and one partner are Moonfishers stuck working for Moontella, a company mining lunar slime for fancy restaurants.
90% of 946 Steam reviews are positivePlayers online now: 19$9.99
Roadside Research
Roadside Research puts you and up to three co-op friends in charge of a gas station, except you are aliens in paper masks studying humans for an…
85% of 4,129 Steam reviews are positivePlayers online now: 97$14.99
Occupy Mars: The Game
Survive and colonize Mars alone or with co-op friends in a technical open-world survival sandbox.
68% of 2,746 Steam reviews are positivePlayers online now: 124$29.99
MoonMiners
MoonMiners is a cooperative survival simulator of miners in space, in an alternative dystopian future.
93% of 206 Steam reviews are positive$4.99
Aground Zero
The world has ended. You are deep underground, and all alone with a cheery AI companion.
80% of 123 Steam reviews are positivePlayers online now: 2$19.99