
Farworld Pioneers
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op.
If Masterspace left you wanting something chaotic and replayable, you have options. Start with these co-op games when you are ready. Many of them are fun to share with friends.
Space Engineers is a sandbox about building working ships, stations and planetary bases block by block, then flying, mining and fighting with them. Bring co-op friends to split the welding, mining and piloting, or meet them on large servers for ship battles. Expect glorious structural failures along the way.
Also in Survival crafting · Chaotic, Replayable
Take control of a fully destructible spaceship and explore, blast or trade your way through the cosmos, alone or with friends. Every tile matters, as you dogfight, maneuver or speed your way past friendly traders, hostile aliens, and impressive space navies. What will you do, Captain?
Chaotic, Replayable
StarMade is a voxel space sandbox where you and co-op friends build ships, stations and factories block by block, then fly them into fleet battles, pirate fights and galaxy-wide trade. Bring patience for the learning curve and you get a universe that is genuinely yours to shape together.
Replayable
A sandbox survival adventure across planets, moons, and star systems where you and co-op friends gather, craft, build bases and ships, and fight alien wildlife, drones, and rival factions. Bring friends for shared building, mining runs, and PvE or PvP wars.
Also in Survival crafting · Chaotic, Replayable
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, Replayable
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 bases and trade routes between worlds. Join a Corporation, split the jobs, and watch your small crew turn into a very serious space business.
Starship EVO strands you on a planet and asks you to mine, craft and build your way back to orbit. You shape starships brick by brick, wire up cockpits and turrets, then fly out to trade, fight pirates and clear a Stargate. Friend lobbies exist for shared building and exploring, though the store notes multiplayer still has issues.
Chaotic, Replayable
Starbound strands you in space with a broken ship and a whole procedurally generated universe to fix it with. Beam down with co-op friends, repair, explore, build towns, farm, capture monsters, and chase the story campaign together, all in easy drop-in co-op.
Also in Survival crafting · Chaotic, Replayable
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.
Replayable
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.
Also in Survival crafting · Replayable
A blocky galaxy to save with co-op friends: mine planets, craft tools and ships, build outposts, and push back the Red Darkness that mutates wildlife and swallows worlds. Team up for huge fights, orbital laser strikes, and shared megastructures across hundreds of star systems.
Also in Survival crafting · Replayable
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.
Also in Survival crafting

Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op.

Space - The Return Of The Pixxelfrazzer is an open-world sci-fi hack'n'slash.

Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe.

Take On Mars places you right in the middle of mankind’s most exciting undertaking.

Total Miner is an open world voxel sandbox game. It is primarily designed for creative RPG game builders, but also has two action/adventure style…

Scrapnaut is a co-op & singleplayer top-down, base building survival game with steampunk elements.

Explore, build, and master the art of automation. Build your base, discover colorful new worlds, and develop new technologies as you tame the far…

Come with us now on a journey through music and space... To the world of VOYAGER ◯∘ A minimalist, relaxing & atmospheric experience to chill out to…

A first-person city-building game with powerful tools that allow you to build faster and bigger.

Pilot a mining mech, chew downward through dirt and rock, sell what you find, and buy better drills and cargo space.

Unsafe Express is a cooperative first-person survival horror game for 1-4 players.

Yargis is a fast paced, top down spaceship shooter. Customize your ship to join a battle online or offline.

Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.

Embark on your asteroid hauling career with Veritago Fortana.

Pick a hostile planet with co-op friends and turn it into somewhere humans can live.

Astro Colony is a voxel-space factory game about turning scattered planets into one linked industrial colony, alone or with friends.

Archean is a first-person engineering sandbox where you and co-op friends gather ore, craft parts, and build planes, boats, and spacecraft that fly…

Mine, automate and design your own fleet, from a lone mining ship to stations spread across procedurally generated star systems.

The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist.

A blocky galaxy to save with co-op friends: mine planets, craft tools and ships, build outposts, and push back the Red Darkness that mutates…

StarRupture is a first-person open-world base builder on a hostile planet that burns and regrows under repeated cataclysms.

Crash-land as a robot mechanic on a farm planet gone wrong, then team up with co-op friends to build vehicles, grow crops, and hold off waves of…

Survive and colonize Mars alone or with co-op friends in a technical open-world survival sandbox.

Build a starship plank by plank with co-op friends, then take it into real-time battles together.

Mine, automate and design your own fleet, from a lone mining ship to stations spread across procedurally generated star systems.

Team up with up to three co-op friends in a living 2D galaxy of 150 sectors, where six factions keep mining, hauling and fighting.

Pick a role in a huge generated galaxy: explorer, miner, farmer, cook, scientist or builder, alone or with friends.

Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.

Crash-land as a robot mechanic on a farm planet gone wrong, then team up with co-op friends to build vehicles, grow crops, and hold off waves of…

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…

Astro Colony is a voxel-space factory game about turning scattered planets into one linked industrial colony, alone or with friends.

Pick a hostile planet with co-op friends and turn it into somewhere humans can live.

Survive and colonize Mars alone or with co-op friends in a technical open-world survival sandbox.

StarRupture is a first-person open-world base builder on a hostile planet that burns and regrows under repeated cataclysms.

Build ridiculous rovers with co-op friends and haul awkward cargo across Mars.

Build a flying home with co-op friends and sail it between floating ruins in Lost Skies.