- #1 PULSAR: Lost Colony
97% matchVery Positive90% of 5,710 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.7 hrs≥1hr: 88%
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
Why similar: Space Sim 30.7%, Space 14%, Online Co-Op 12.3%, Co-op 12.2%, Sci-fi 8.9%
- #2 Cubic Odyssey
96% matchMostly Positive73% of 2,584 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 6.1 hrsMean: 9.8 hrs≥1hr: 85%
Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!
Why similar: Base Building 18.6%, Building 14.5%, Co-op 14.4%, Sci-fi 11.2%, Action-Adventure 10%
- #3 ASTRONEER
96% matchVery Positive92% of 137,959 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.2 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Space 19.9%, Base Building 15.6%, Multiplayer 13.1%, Co-op 12.1%, Crafting 10.5%
- #4 Void Crew
94% matchVery Positive87% of 8,248 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.0 hrsMean: 16.5 hrs≥1hr: 94%
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!
Why similar: Space Sim 32.9%, Co-op 14.2%, Online Co-Op 12.1%, Space 12%, Multiplayer 10.6%
- #5 Stars End
95% matchMixed61% of 1,419 reviews2023
Dev: Reverie World StudiosPub: indie.io
Windows
Median: 2.5 hrsMean: 10.3 hrs≥1hr: 81%
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.
Why similar: Space Sim 21%, Online Co-Op 16.2%, Co-op 13.9%, Space 13.4%, Multiplayer 10%
- #6 The Planet Crafter
94% matchOverwhelmingly Positive96% of 70,189 reviews2024
Dev: Miju Games
Windows
Median: 21.5 hrsMean: 37.9 hrs≥1hr: 92%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Online Co-Op 15.5%, Base Building 14.6%, Space 12%, Crafting 10.8%, Building 10.7%
- #7 Cosmoteer: Starship Architect & Commander
92% matchVery Positive94% of 12,599 reviews2022
Dev: Walternate Realities
Windows
Median: 19.4 hrsMean: 41.0 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 24.4%, Space 13.9%, Online Co-Op 13.6%, Sci-fi 12.2%, Building 11.8%
- #8 Drift: Space Survival
93% matchMostly Positive70% of 77 reviews2023
Dev: KAR Games
Windows · Mac · Linux
You were deep in uncharted space on a research mission. Disaster struck. Together with your friends, explore a mysterious asteroid field and mine whatever resources possible to build what you need to survive.
Why similar: Online Co-Op 20.9%, Space 17.6%, Crafting 13.3%, Building 11.9%, Base Building 11.4%
- #9 Outworld Station
91% matchVery Positive86% of 714 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 3.9 hrsMean: 10.3 hrs≥1hr: 70%
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.
Why similar: Base Building 17%, Space 16.9%, Co-op 12.5%, Crafting 11.9%, Online Co-Op 10.3%
- #10 Space Haven
90% matchVery Positive86% of 10,442 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 19.9 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 24.6%, Base Building 15.2%, Space 14.1%, Building 11.6%, Resource Management 11.2%
- #11 StarMade
91% matchMixed68% of 2,982 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 26.5%, Space Sim 14.2%, Building 13.8%, Multiplayer 10.4%, Sci-fi 9%
- #12 Empyrion - Galactic Survival
89% matchMostly Positive79% of 34,194 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.8 hrs≥1hr: 77%
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!
Why similar: Space Sim 25%, Space 14.4%, Co-op 12.9%, Building 11.9%, Crafting 10.3%
- #13 Starcom: Nexus
89% matchVery Positive91% of 2,295 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.7 hrsMean: 13.4 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 30.9%, Space Sim 25%, Sci-fi 13.5%, Exploration 8.9%, RPG 7.7%
- #14 Starbound
88% matchVery Positive90% of 122,999 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.1 hrsMean: 64.2 hrs≥1hr: 91%
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Why similar: Online Co-Op 17.3%, Space 16.1%, Crafting 13.4%, Building 10.4%, Co-op 9.9%
- #15 Astro Colony
87% matchVery Positive82% of 2,526 reviews2022
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Space Sim 18%, Base Building 17.5%, Space 14.7%, Resource Management 12.5%, Building 10%
- #16 Astrometica
86% matchVery Positive83% of 3,055 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.1 hrsMean: 17.3 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space Sim 35.7%, Space 14.3%, Crafting 13.5%, Base Building 13%, Resource Management 9.2%
- #17 The Alters
84% matchVery Positive90% of 17,492 reviews2025
Dev: 11 bit studios
Windows
Median: 10.9 hrsMean: 15.9 hrs≥1hr: 92%
Explore an emotional sci-fi game with a unique blend of survival, adventure, and base-building elements. Help Jan Dolski, the sole survivor of an ill-fated space expedition, create alternative versions of himself to escape a hostile planet and tackle personal turmoils with this unconventional crew.
Why similar: Base Building 21.4%, Resource Management 12.4%, Space 12.4%, Crafting 11.5%, Sci-fi 11.5%
- #18 Between the Stars
86% matchMostly Positive75% of 2,444 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.8 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space Sim 35.6%, Space 27.8%, Sci-fi 10.1%, RPG 9.9%, Strategy 7.2%
- #19 Starship EVO
85% matchVery Positive84% of 1,435 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.5 hrsMean: 6.4 hrs≥1hr: 57%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space 26.8%, Space Sim 26.8%, Building 23.2%, Sci-fi 9.8%, Multiplayer 7.8%
- #20 Eden Crafters
81% matchVery Positive86% of 2,425 reviews2026
Dev: Osaris Games
Windows
Median: 4.5 hrsMean: 13.3 hrs≥1hr: 79%
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
Why similar: Base Building 13.9%, Online Co-Op 13.2%, Crafting 11.9%, Space 9.6%, Building 9.6%
- #21 Interstellar Rift
84% matchMixed68% of 1,660 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.5 hrs≥1hr: 83%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space Sim 33%, Crafting 13.7%, Building 13.6%, Space 13.3%, Sci-fi 8%
- #22 Starground
82% matchVery Positive82% of 188 reviews2024
Dev: Big Boy GamesPub: 2 Left Thumbs
Windows · Linux
Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!
Why similar: Online Co-Op 17.2%, Base Building 13.7%, Crafting 11.9%, Space 11.5%, Resource Management 11.3%
- #23 Planetaries
82% matchMixed58% of 223 reviews2024
Dev: EY-Studio
Windows
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.
Why similar: Online Co-Op 18.1%, Base Building 14.1%, Crafting 13%, Building 12.5%, Co-op 11%
- #24 Ocean World: Eden Crafters Prologue
79% matchVery Positive91% of 7,431 reviews2024
Dev: Osaris Games
Windows
Median: 1.3 hrsMean: 3.0 hrs≥1hr: 55%
Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.
Why similar: Online Co-Op 15.1%, Base Building 14.8%, Crafting 11.4%, Multiplayer 10.6%, Resource Management 9.7%
- #25 Celestial Command
83% matchMixed63% of 698 reviews2014
Dev: Romenics
Windows · Mac · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 33.3%, Space Sim 25.5%, Building 11.3%, Sci-fi 10.6%, Strategy 8%
- #26 Prospector
80% matchMostly Positive71% of 152 reviews2025
Dev: Loonworks Games
Windows
Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!
Why similar: Base Building 16.5%, Resource Management 15%, Space 14%, Crafting 13.4%, Building 13.3%
- #27 Stellarcraft
79% matchVery Positive91% of 100 reviews2026
Dev: DreamStudios
Windows
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀
Why similar: Online Co-Op 25%, Base Building 20%, Co-op 17.4%, Multiplayer 12%, Sci-fi 10%
- #28 Jitter
77% matchVery Positive86% of 159 reviews2025
Dev: Berko Games
Windows
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 33.3%, Space 17.6%, Base Building 13.9%, Sci-fi 10.7%, Action-Adventure 8.1%
- #29 Occupy Mars: The Game
76% matchMostly Positive70% of 3,070 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.4 hrs≥1hr: 78%
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
Why similar: Online Co-Op 13.8%, Base Building 13.5%, Space 12.9%, Resource Management 12.3%, Crafting 12.1%
- #30 Horizon Journey
78% matchMostly Negative26% of 85 reviews2026
Dev: Redivided Studios
Windows
Embark on an epic adventure to Mars in Horizon Journey, an open-world survival game that blends colonization, terraforming, and exploration in both single-player and multiplayer co-op modes. You're tasked with the monumental challenge of making Mars a new home for humanity.
Why similar: Online Co-Op 17.3%, Base Building 15%, Space 14.6%, Crafting 13.7%, Building 12.5%
- #31 Into the Stars
81% matchMixed41% of 537 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 65.7%, Strategy 24.6%, Adventure 9.7%
- #32 ADIOS Amigos: Galactic Explorers
78% matchVery Positive93% of 123 reviews2018
Dev: Cosmic Picnic
Windows
Median: 3.1 hrsMean: 4.2 hrs≥1hr: 71%
Improvise fuel efficient trajectories to keep your rusty ship running. Break into a space station with an asteroid. Tow a sofa into a black hole. Experience the perils and intrigue of space exploration with 1-4 players.
Why similar: Space Sim 57.8%, Space 17.8%, Exploration 12.4%, Sci-fi 12.1%
- #33 En Route: A Co-Op Space Escape
77% matchMixed63% of 75 reviews2022
Dev: Alcedo Games
Windows
En Route: Space is a 2 player co-op puzzle game where you need each other to figure your way out through the mysteries of space. Work together, open your mind and trust one another to persevere this adventure.
Why similar: Online Co-Op 26.5%, Space 19.6%, Co-op 13.6%, Puzzle 10.5%, Atmospheric 8.4%
- #34 Lodventure
75% matchMostly Positive74% of 161 reviews2023
Dev: Sky Games
Windows
Embark on a 1-4 players Co-op survival adventure in an open world wilderness in search of a myth called the Lod Stone. Build your house, sow your crops, brew potions, tame a horse and discover powerful abilities. Venture into dangerous dungeons, fight unique bosses to find the Lod stone.
Why similar: Co-op 17.8%, Online Co-Op 16.2%, Base Building 15.1%, Crafting 14.1%, Building 11.3%
- #35 Space Engineers
73% matchVery Positive89% of 133,721 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.0 hrs≥1hr: 88%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space Sim 27.8%, Space 14.2%, Base Building 14.1%, Building 12.1%, Co-op 11.4%
- #36 The Long Journey Home
76% matchMixed59% of 1,922 reviews2017
Dev: Daedalic Studio WestPub: Daedalic Entertainment
Windows · Mac
Median: 3.9 hrsMean: 5.9 hrs≥1hr: 89%
The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?
Why similar: Space 36.7%, RPG 16.4%, Strategy 15.5%, Sci-fi 12.5%, Exploration 11.4%
- #37 Star Shelter
75% matchMostly Positive77% of 435 reviews2018
Dev: Overflow
Windows
Median: 54 minMean: 8.4 hrs≥1hr: 47%
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
Why similar: Space Sim 25.7%, Base Building 16.8%, Space 14.2%, Crafting 12.1%, Resource Management 9.2%
- #38 My Little Universe
72% matchVery Positive86% of 2,099 reviews2023
Dev: EstotyPub: SayGames
Windows · Mac
Median: 5.6 hrsMean: 19.6 hrs≥1hr: 83%
Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!
Why similar: Space 35.9%, Crafting 33.1%, Exploration 19.4%, 3D 11.6%
- #39 Astronimo
73% matchVery Positive85% of 84 reviews2023
Dev: Coatsink
Windows
Crash-landed and ill-prepared, you and your friends must build, break, and rebuild to escape. A chaotic co-op puzzler about creativity, comedy, and questionable engineering.
Why similar: Sci-fi 25.6%, Space 21.1%, Building 18.7%, Crafting 18.3%, Exploration 10.5%
- #40 Pixel Privateers
74% matchMostly Positive71% of 881 reviews2017
Dev: Quadro DeltaPub: Re-Logic
Windows
Median: 5.9 hrsMean: 11.2 hrs≥1hr: 81%
Pixel Privateers is a Squad Based Tactical RPG “Loot ‘Em Up” that will send your team of mercenaries through a mysterious wormhole on a quest to gather technology for your employer. An entire galaxy awaits - full of worlds to explore, factions to encounter, and epic gear to collect!
Why similar: RPG 35.5%, Co-op 22%, Adventure 16.4%, Sci-fi 13.6%, Multiplayer 12.5%
- #41 Lost Nova
72% matchVery Positive92% of 414 reviews2022
Dev: Jon NielsenPub: HopFrog
Windows
Median: 3.2 hrsMean: 3.9 hrs≥1hr: 89%
Your spaceship crashed on an alien planet. Explore, salvage, craft, trade, manage and upgrade your way back home!
Why similar: Space 20.5%, Crafting 19.9%, Resource Management 18.9%, Sci-fi 14.6%, Exploration 12.5%
- #42 Farworld Pioneers
73% matchMostly Negative38% of 693 reviews2023
Dev: IgloosoftPub: tinyBuild
Windows
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.
Why similar: Online Co-Op 16.7%, Co-op 15.9%, Base Building 14.8%, Space 14.4%, Crafting 13.1%
- #43 Landinar: Into the Void
74% matchMixed56% of 244 reviews2019
Dev: Convoy Games
Windows
Median: 2.6 hrsMean: 6.6 hrs≥1hr: 88%
Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.
Why similar: Space Sim 34.6%, Space 23.6%, Building 15.4%, RPG 9.3%, Sci-fi 7.4%
- #44 Deliver Us The Moon
71% matchVery Positive88% of 9,301 reviews2019
Dev: KeokeN InteractivePub: Wired Productions
Windows
Median: 4.4 hrsMean: 5.5 hrs≥1hr: 88%
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
Why similar: Space 27.5%, Space Sim 20.6%, Sci-fi 13.7%, Adventure 9.1%, Atmospheric 6.7%
- #45 Out of Space
71% matchMostly Positive79% of 2,919 reviews2020
Dev: Behold Studios
Windows · Mac · Linux
Median: 3.5 hrsMean: 5.5 hrs≥1hr: 87%
Strategy co-op online multiplayer game about living on a spaceship with your roommates. You'll need to generate resources, take care of a deadly alien infestation, upgrade your appliances and build your sustainable space home. Living together is never easy, especially when you are in outer space!
Why similar: Co-op 29.8%, Multiplayer 24.6%, Space 16.9%, Strategy 15.8%, Online Co-Op 12.8%
- #46 Stardeus
70% matchVery Positive87% of 1,534 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 9.0 hrsMean: 22.6 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Space Sim 24.1%, Base Building 15%, Space 14.6%, Resource Management 12.4%, Crafting 12.1%
- #47 This Means Warp
70% matchMixed69% of 666 reviews2023
Dev: OutlierPub: Jagex Ltd
Windows
Median: 2.2 hrsMean: 7.0 hrs≥1hr: 68%
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.
Why similar: Online Co-Op 25.9%, Space 21.3%, Co-op 16.8%, Multiplayer 12.7%, Sci-fi 12.1%
- #48 Roguelands
70% matchVery Positive80% of 3,731 reviews2016
Dev: Sean YoungPub: SmashGames
Windows · Mac · Linux
Median: 3.3 hrsMean: 16.3 hrs≥1hr: 67%
Embark on an epic journey in this hardcore Multiplayer RPG! As a Galactic Cadet, you and your Combat Squad of friends must brave hostile worlds in search of valuable loot and resources. Craft powerful gear, slay otherworldly creatures, and save the galaxy.
Why similar: Multiplayer 31.4%, Co-op 28.9%, RPG 18.1%, Crafting 13%, Adventure 8.6%
- #49 Stationeers
69% matchVery Positive88% of 9,014 reviews2017
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 83.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Base Building 16%, Space 14.7%, Crafting 13.3%, Resource Management 13.2%, Building 12.9%
- #50 Lost Skies
67% matchMixed61% of 2,893 reviews2025
Dev: Bossa StudiosPub: Balor Games
Windows
Median: 3.5 hrsMean: 12.1 hrs≥1hr: 75%
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.
Why similar: Online Co-Op 31.3%, Base Building 26.6%, Crafting 13.4%, Exploration 9.4%, Adventure 6.7%
- #51 Mars First Logistics
65% matchVery Positive95% of 3,608 reviews2025
Dev: Shape Shop
Windows
Median: 4.3 hrsMean: 10.3 hrs≥1hr: 80%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Space Sim 31.5%, Co-op 21.1%, Building 14.5%, Multiplayer 9.1%, 3D 8.3%
- #52 3030 Deathwar Redux - A Space Odyssey
69% matchVery Positive94% of 1,151 reviews2017
Dev: Bird in SkyPub: Crunchy Leaf Games
Windows
Median: 7.5 hrsMean: 8.2 hrs≥1hr: 91%
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Why similar: Space 29.6%, Space Sim 29.6%, Sci-fi 13.4%, Exploration 7.7%, Adventure 7.4%
- #53 Space Trash Scavenger
67% matchVery Positive84% of 518 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.0 hrs≥1hr: 75%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space Sim 20.3%, Space 17.5%, Crafting 15.6%, Base Building 12.5%, Building 12.4%
- #54 SpaceKraft!
67% matchVery Positive91% of 96 reviews2024
Dev: Game Dev Garage
Windows
Gather crystals, repair/run crafting facilities, upgrade your spaceship, build machines, explore the open world, find your way back to mother earth.
Why similar: Space Sim 46%, Building 15.6%, Puzzle 15.2%, Sci-fi 11.5%, Atmospheric 7%
- #55 VoidExpanse
69% matchMostly Positive71% of 763 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Why similar: Space 45.6%, Sci-fi 17.9%, RPG 13.2%, Multiplayer 10.7%, Strategy 8.7%
- #56 Outerstellar
67% matchMostly Positive72% of 170 reviews2023
Dev: Strange Horizons Ltd
Windows
Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night. But the secrets of this world await in a gripping sci-fi survival PvP game.
Why similar: Base Building 17.6%, Space 17.2%, Crafting 15.6%, Multiplayer 13.9%, Building 12.2%
- #57 Outerverse
68% matchMixed50% of 125 reviews2022
Dev: Tbjbu2Pub: indie.io
Windows
Build automated machines and weapons across the universe, beat massive bosses, experience cosmic events and explore unique landmarks in this quest driven automation crafting adventure game. Includes a manual scenario for crafting instead of machines for those not a fan of logic/automation!
Why similar: Space Sim 29.1%, Space 14.6%, Base Building 13.8%, Crafting 12.4%, Resource Management 12.2%
- #58 Iron Armada
66% matchMostly Positive77% of 177 reviews2024
Dev: Bluedrake42Pub: Drakeling Labs
Windows
Median: 1.4 hrsMean: 800.3 hrs≥1hr: 53%
Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space and defeat the opposing player faction. Build ships of all shapes and sizes, mine resources, and scavenge parts with friends to conquer the universe!
Why similar: Strategy 56.2%, Space 27.5%, Multiplayer 11%, Adventure 5.3%
- #59 POPUCOM
63% matchVery Positive87% of 4,107 reviews2025
Dev: HypergryphPub: GRYPHLINE
Windows
Median: 6.9 hrsMean: 10.5 hrs≥1hr: 91%
Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover!
Why similar: Co-op 33.4%, Online Co-Op 18.4%, Puzzle 17.2%, Multiplayer 10.4%, Adventure 7.8%