Farworld Pioneers
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op.
37% of 623 Steam reviews are positive$3.74
Co-op games like Outpost Zero
Want something that feels chaotic and dark the way Outpost Zero does? These co-op games are a good place to start. Sharing the fun is easy with these picks.
Farworld Pioneers
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op. Build and manage colonies on alien planets, and recruit AI survivors with unique personalities and skills. Craft, build, mine, farm, or get your electric death rifle and say hello to your neighbors.
Also in Survival crafting and Colony sim · Chaotic
37% of 623 Steam reviews are positive$3.74StarRupture
StarRupture is a first-person open-world base builder on a hostile planet that burns and regrows under repeated cataclysms. You mine, process, automate, research new tech, and shoot alien hordes with up to four co-op friends. Good pick for co-op friends who want factory work plus base defense.
Also in Survival crafting · Chaotic
80% of 12,624 Steam reviews are positivePlayers online now: 977$19.99Planetaries
Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.
Also in Survival crafting
58% of 215 Steam reviews are positive$19.99Astro 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.
Also in Colony sim
80% of 2,447 Steam reviews are positivePlayers online now: 106$19.99CryoFall
CryoFall is a sci-fi colony survival game where you and co-op friends rebuild civilization from stone tools to space-age tech. Claim land together, raise a shared base into a trading city, split jobs between farming, oil refining, power grids and defense, then take on PvE or risk brutal PvP servers.
Also in Survival crafting and Colony sim · Dark
78% of 4,909 Steam reviews are positivePlayers online now: 31$19.99The Riftbreaker
The Riftbreaker is a base-building survival game with action-RPG combat, playable solo or in online co-op for up to 4 players. You land a mech-suit on planet Galatea 37, raise mines, power plants and walls, then fight off thousands of alien creatures with your own guns while towers hold the line.
Also in Survival crafting
90% of 22,354 Steam reviews are positivePlayers online now: 1,035$29.99Plains of Pain
A scorched sandbox built for co-op friends to survive together: share thirst, heat and bandit trouble, raise a base into a settlement, craft hover vehicles and tip faction fights over outposts. Rough around the edges, but made for joint bad decisions and joint rescues.
Also in Survival crafting · Dark
84% of 1,041 Steam reviews are positivePlayers online now: 37$19.99SpaceCraft
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.
63% of 2,742 Steam reviews are positivePlayers online now: 232$29.99Stars End
Stars End is a sci-fi survival sandbox where you and co-op friends stake a claim on a lawless frontier. You start with stone tools and campfires, then work up to guns, horses, vehicles, and your own starship. Host a server, build a cabin or space station, hunt alien wildlife, and fight rival survivors.
Also in Survival crafting
63% of 1,131 Steam reviews are positive$19.99GearStorm - Armored Survival
GearStorm - Armored Survival is a story-driven, open-world sci-fi survival adventure. Discover what led to the Phage, a deadly virus apocalypse and our escape to a alien world. Explore a vast alien planet, build your base, create your colony, acquire vehicles, weapons, and supplies to defend it.
Also in Survival crafting · Dark
51% of 68 Steam reviews are positive$11.99Empyrion - Galactic Survival
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
78% of 29,252 Steam reviews are positivePlayers online now: 620$19.99Volcanoids
Volcanoids gives you and up to three co-op friends a giant drillship instead of a fixed base. You build it out, arm it and dive underground together to ride out volcanic eruptions, then surface to gather resources and strip hostile robots for parts.
Also in Survival crafting · Chaotic
83% of 7,697 Steam reviews are positivePlayers online now: 31$19.99
Cheaper than Outpost Zero
Scrapnaut
Scrapnaut is a co-op & singleplayer top-down, base building survival game with steampunk elements.
69% of 735 Steam reviews are positivePlayers online now: 7$1.39
Welcome to ParadiZe
ParadiZe is overrun with zombies, but here you hack them and put them to work.
67% of 1,131 Steam reviews are positivePlayers online now: 45$2.99
Super Mining Mechs
Build a mining mech and burrow under alien planets with up to 7 co-op friends. You dig, haul ore, sell it, and bolt on better parts to go deeper.
85% of 862 Steam reviews are positivePlayers online now: 16$4.99
Another Try
The virus has devastated cities and lands, you are one of the last survivors!
49% of 290 Steam reviews are positive$2.99
Afterinfection
Afterinfection is a brand new zombie survival game designed in Unreal 4 and being developed by a small team from Thailand.
56% of 469 Steam reviews are positivePlayers online now: 6$2.24
Guardians of Orion (Phase 2)
Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots.
53% of 2,977 Steam reviews are positive$0.99
Grandiose
Grandiose is a calming and creative base builder game full of botany, building and strategy.
67% of 162 Steam reviews are positive$1.99
Don't Bite Me Bro! +
Don't Bite Me Bro! is a 1-4 Player Couch Co-op open-world zombie apocalypse game.
80% of 337 Steam reviews are positive$0.99
Last Whisper
Last Whisper Survival is a cooperative zombie survival game where exploration of the open world is key.
60% of 123 Steam reviews are positive$2.99
Ooglians
Ooglians are coming! Nothing excites an ooglian more than smashing machinery.
65% of 236 Steam reviews are positive$1.99
Mining Mechs
Pilot a mining mech, chew downward through dirt and rock, sell what you find, and buy better drills and cargo space.
89% of 2,623 Steam reviews are positivePlayers online now: 56$2.99
Hidden gems like Outpost Zero
Outworld Station
Grab three co-op friends and run a space station like a factory with guns.
83% of 866 Steam reviews are positivePlayers online now: 31$18.99
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: 106$19.99
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 743 Steam reviews are positivePlayers online now: 13$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: 1$19.99
Plains of Pain
A scorched sandbox built for co-op friends to survive together: share thirst, heat and bandit trouble, raise a base into a settlement, craft hover…
84% of 1,041 Steam reviews are positivePlayers online now: 37$19.99
StarRupture
StarRupture is a first-person open-world base builder on a hostile planet that burns and regrows under repeated cataclysms.
80% of 12,624 Steam reviews are positivePlayers online now: 977$19.99
Scrap Mechanic
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…
92% of 109,971 Steam reviews are positivePlayers online now: 1,152$28.99
Don't get lost
A procedurally-generated, open-world, first-person colony sim.
78% of 479 Steam reviews are positiveFree
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: 94$29.99
HumanitZ
HumanitZ is an isometric open-world zombie survival sandbox where you and co-op friends scavenge cities, hunt and farm in the country, and fight…
74% of 11,630 Steam reviews are positivePlayers online now: 1,090$19.99
Beyond Contact
Crash-land on the dying planet Ketern with co-op friends, then split the jobs to stay alive.
71% of 1,013 Steam reviews are positivePlayers online now: 11$19.99
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
Newest co-op games like Outpost Zero
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 743 Steam reviews are positivePlayers online now: 13$9.74
ATMOSFAR
ATMOSFAR is an open-world survival-craft game set among floating islands on planet Tycos, playable solo or in online co-op for up to four.
68% of 660 Steam reviews are positivePlayers online now: 308$24.99
Scrap Mechanic
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…
92% of 109,971 Steam reviews are positivePlayers online now: 1,152$28.99
Nuclear Epoch
Team up in an open-world wasteland where you build a shelter together, then risk it all in shifting extraction zones.
77% of 530 Steam reviews are positivePlayers online now: 32$14.99
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: 106$19.99
Outworld Station
Grab three co-op friends and run a space station like a factory with guns.
83% of 866 Steam reviews are positivePlayers online now: 31$18.99
HumanitZ
HumanitZ is an isometric open-world zombie survival sandbox where you and co-op friends scavenge cities, hunt and farm in the country, and fight…
74% of 11,630 Steam reviews are positivePlayers online now: 1,090$19.99
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: 94$29.99
StarRupture
StarRupture is a first-person open-world base builder on a hostile planet that burns and regrows under repeated cataclysms.
80% of 12,624 Steam reviews are positivePlayers online now: 977$19.99
The Front
The Front is a post-apocalyptic open-world survival crafter where you and co-op friends team up as time-traveling resistance fighters.
66% of 9,526 Steam reviews are positivePlayers online now: 45$19.99
Necesse
Necesse is a pixel-art survival-craft RPG in an infinite procedurally generated world where you and co-op friends build a settlement, recruit…
92% of 24,756 Steam reviews are positivePlayers online now: 545$14.99