- #1 PULSAR: Lost Colony
97% matchVery Positive90% of 5,694 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.8 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 30.6% ★, Space 14%, Online Co-Op 12.4%, Co-op 12.2%, Sci-fi 8.9%
- #2 Cubic Odyssey
96% matchMostly Positive74% of 2,483 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 5.3 hrsMean: 12.3 hrs≥1hr: 82%
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 16.6%, Co-op 13.4%, Building 13.1%, Space 10.6%, Sci-fi 10.1%
- #3 ASTRONEER
96% matchVery Positive92% of 136,711 reviews2019
Dev: System Era Softworks
Windows
Median: 11.7 hrsMean: 44.1 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 Stars End
95% matchMixed61% of 1,414 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 20.9% ★, Online Co-Op 16.3%, Co-op 13.9%, Space 13.3%, Multiplayer 10%
- #5 Cosmoteer: Starship Architect & Commander
94% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 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 24.3% ★, Space 13.8%, Online Co-Op 13.7%, Sci-fi 12.2%, Building 11.8%
- #6 The Planet Crafter
94% matchOverwhelmingly Positive96% of 67,314 reviews2024
Dev: Miju Games
Windows
Median: 21.1 hrsMean: 37.2 hrs≥1hr: 91%
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 15.6%, Base Building 14.4%, Space 11.6%, Crafting 10.9%, Building 10.7%
- #7 Void Crew
93% matchVery Positive87% of 8,134 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.0 hrsMean: 16.4 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 32.7% ★, Co-op 14.1%, Online Co-Op 12.3%, Space 12.1%, Multiplayer 10.7%
- #8 Drift: Space Survival
92% matchMixed70% of 76 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 21%, Space 17.5%, Crafting 13.3%, Building 11.8%, Base Building 11.4%
- #9 Empyrion - Galactic Survival
91% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 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%
- #10 StarMade
91% matchMixed68% of 2,981 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 14.1% ★, Building 13.8%, Multiplayer 10.4%, Sci-fi 9%
- #11 Starcom: Nexus
90% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 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 9%, RPG 7.7%
- #12 Starbound
89% matchVery Positive90% of 122,901 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.2 hrsMean: 64.1 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 17.4%, Space 16%, Crafting 13.4%, Building 10.4%, Co-op 9.9%
- #13 Astro Colony
89% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 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 12.8%, Building 9.9%
- #14 Eden Crafters
88% matchVery Positive86% of 2,214 reviews2024
Dev: Osaris Games
Windows
Median: 4.5 hrsMean: 13.5 hrs≥1hr: 79%
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
Why similar: Base Building 14.6%, Online Co-Op 14%, Crafting 12.5%, Building 10%, Space 10%
- #15 The Alters
86% matchVery Positive90% of 16,976 reviews2025
Dev: 11 bit studios
Windows
Median: 10.7 hrsMean: 15.8 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%, Resource Management 12.6%, Space 12.4%, Crafting 11.7%, Sci-fi 11.4%
- #16 Astrometica
87% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 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 35.6% ★, Space 14.2%, Crafting 13.5%, Base Building 13%, Resource Management 9.4%
- #17 Between the Stars
86% matchMostly Positive74% of 2,427 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.9 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 35.8% ★, Space 27.7%, Sci-fi 10.1%, RPG 9.8%, Strategy 7.3%
- #18 Starground
84% matchVery Positive82% of 187 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 13.6%, Crafting 11.9%, Resource Management 11.5%, Space 11.5%
- #19 Interstellar Rift
85% matchMixed68% of 1,655 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.2 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 13.5%, Space 13.3%, Sci-fi 8%
- #20 Outworld Station
82% matchVery Positive90% of 506 reviews2025
Dev: Trickjump Games Ltd
Windows
Median: 3.9 hrsMean: 9.1 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: Space 16.8%, Base Building 16.8%, Co-op 12.6%, Crafting 11.8%, Online Co-Op 10.4%
- #21 Planetaries
83% matchMixed59% of 222 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 18.2%, Base Building 14.1%, Crafting 13%, Building 12.5%, Co-op 11%
- #22 Ocean World: Eden Crafters Prologue
81% matchVery Positive91% of 7,161 reviews2024
Dev: Osaris Games
Windows
Median: 1.3 hrsMean: 3.0 hrs≥1hr: 55%
Embark on a journey of survival, crafting, and automation in this free prologue introducing one of the planets you can transform in Eden Crafters – an upcoming open-world game that challenges you, alone or with friends, to turn a hostile planet into a habitable haven for humanity.
Why similar: Online Co-Op 15.2%, Base Building 14.7%, Crafting 11.4%, Multiplayer 10.5%, Resource Management 9.8%
- #23 Celestial Command
84% matchMixed63% of 687 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 33.2%, Space Sim 25.5% ★, Building 11.3%, Sci-fi 10.6%, Strategy 8%
- #24 Starship EVO
82% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
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 Sim 27% ★, Space 26.6%, Building 22.2%, Sci-fi 10.3%, Multiplayer 7.8%
- #25 Stellarcraft
80% matchVery Positive91% of 99 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 25.4%, Base Building 20.2%, Co-op 16.8%, Multiplayer 12.1%, Sci-fi 10.1%
- #26 En Route: A Co-Op Space Escape
81% matchMixed64% of 72 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 26.6%, Space 19.5%, Co-op 13.6%, Puzzle 10.4%, Atmospheric 8.4%
- #27 Prospector
79% matchMostly Positive72% of 149 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 15.2%, Space 13.9%, Crafting 13.4%, Building 13.3%
- #28 Space Haven
78% matchVery Positive86% of 9,719 reviews2020
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.3 hrsMean: 20.2 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 25.7% ★, Base Building 15.7%, Space 14.1%, Building 12.2%, Resource Management 12.1%
- #29 Jitter
77% matchVery Positive86% of 153 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 14%, Sci-fi 10.7%, Action-Adventure 8.1%
- #30 Occupy Mars: The Game
76% matchMostly Positive70% of 3,012 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.2 hrsMean: 31.4 hrs≥1hr: 77%
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 13.7%, Base Building 13.5%, Space 12.8%, Resource Management 12.5%, Crafting 12.1%
- #31 Horizon Journey
78% matchMostly Negative25% of 81 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%
- #32 ADIOS Amigos: Galactic Explorers
77% matchVery Positive93% of 120 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 57.7% ★, Space 17.8%, Exploration 12.4%, Sci-fi 12.1%
- #33 Into the Stars
79% 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 65.6%, Strategy 24.8%, Adventure 9.6%
- #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 16.3%, Base Building 15.1%, Crafting 14.1%, Building 11.3%
- #35 Space Engineers
73% matchVery Positive89% of 133,238 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%
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 14.2%, Building 12.1%, Co-op 11.5%
- #36 The Long Journey Home
76% matchMixed59% of 1,915 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 36.6%, RPG 16.3%, Strategy 15.6%, 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 25.6% ★, Base Building 16.8%, Space 14.2%, Crafting 12.2%, Resource Management 9.4%
- #38 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 25.5%, Space 21.1%, Building 18.7%, Crafting 18.4%, Exploration 10.5%
- #39 My Little Universe
72% matchVery Positive86% of 2,048 reviews2023
Dev: EstotyPub: SayGames
Windows · Mac
Median: 5.5 hrsMean: 19.4 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 35.8%, Crafting 33.2%, Exploration 19.4%, 3D 11.7%
- #40 Pixel Privateers
74% matchMostly Positive71% of 881 reviews2017
Dev: Quadro DeltaPub: Re-Logic
Windows
Median: 6.0 hrsMean: 11.2 hrs≥1hr: 82%
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 22.1%, Adventure 16.3%, Sci-fi 13.6%, Multiplayer 12.5%
- #41 Lost Nova
71% matchVery Positive92% of 399 reviews2022
Dev: Jon NielsenPub: HopFrog
Windows
Median: 2.9 hrsMean: 3.8 hrs≥1hr: 89%
Your spaceship crashed on an alien planet. Explore, salvage, craft, trade, manage and upgrade your way back home!
Why similar: Space 20.4%, Crafting 19.8%, Resource Management 19.2%, Sci-fi 14.5%, Exploration 12.4%
- #42 Farworld Pioneers
73% matchMostly Negative38% of 691 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 16.8%, Co-op 15.9%, Base Building 14.8%, Space 14.4%, Crafting 13.1%
- #43 Landinar: Into the Void
74% matchMixed57% of 243 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 Stardeus
70% matchVery Positive87% of 1,529 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 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% ★, Base Building 15%, Space 14.5%, Resource Management 12.6%, Crafting 12.1%
- #45 Roguelands
71% matchVery Positive80% of 3,731 reviews2016
Dev: Sean YoungPub: SmashGames
Windows · Mac · Linux
Median: 3.2 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 29.1%, RPG 18.1%, Crafting 12.8%, Adventure 8.6%
- #46 This Means Warp
70% matchMixed69% of 665 reviews2023
Dev: OutlierPub: Jagex Ltd
Windows
Median: 2.2 hrsMean: 7.1 hrs≥1hr: 69%
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 21.2%, Co-op 16.9%, Multiplayer 12.7%, Sci-fi 12.1%
- #47 Space Trash Scavenger
68% matchVery Positive84% of 514 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 76%
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 17.4%, Crafting 15.7%, Base Building 12.5%, Building 12.4%
- #48 3030 Deathwar Redux - A Space Odyssey
70% matchVery Positive94% of 1,148 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 29.5% ★, Sci-fi 13.4%, Exploration 7.7%, Adventure 7.4%
- #49 Starcom: Unknown Space
67% matchVery Positive93% of 4,082 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 7.9 hrsMean: 16.2 hrs≥1hr: 82%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space Sim 30.8% ★, Space 22.9%, Sci-fi 8.8%, Building 8.4%, Exploration 8.4%
- #50 Out of Space
69% matchMostly Positive79% of 2,905 reviews2020
Dev: Behold Studios
Windows · Mac · Linux
Median: 3.6 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 29.6%, Multiplayer 24.4%, Space 17%, Strategy 16%, Online Co-Op 13%
- #51 Lost Skies
68% matchMixed62% of 2,832 reviews2025
Dev: Bossa StudiosPub: Balor Games
Windows
Median: 3.4 hrsMean: 12.1 hrs≥1hr: 76%
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 31.4%, Base Building 26.6%, Crafting 13.4%, Exploration 9.3%, Adventure 6.6%
- #52 Stationeers
67% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 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 14.6%, Resource Management 13.5%, Crafting 13.3%, Building 12.8%
- #53 POPUCOM
64% matchVery Positive87% of 4,034 reviews2025
Dev: HypergryphPub: GRYPHLINE
Windows
Median: 6.8 hrsMean: 10.4 hrs≥1hr: 90%
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 33.6%, Online Co-Op 18.4%, Puzzle 17%, Multiplayer 10.3%, Adventure 7.8%
- #54 SpaceKraft!
66% 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 15.1%, Sci-fi 11.5%, Atmospheric 7%
- #55 Outerstellar
67% matchMostly Positive73% of 168 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 17.1%, Crafting 15.7%, Multiplayer 13.8%, Building 12.1%
- #56 VoidExpanse
69% matchMostly Positive71% of 760 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 45.5%, Sci-fi 17.9%, RPG 13.2%, Multiplayer 10.7%, Strategy 8.8%
- #57 Outerverse
68% matchMixed51% of 124 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% ★, Space 14.5%, Base Building 13.8%, Crafting 12.4%, Resource Management 12.4%
- #58 Mars First Logistics
63% matchOverwhelmingly Positive95% of 3,474 reviews2025
Dev: Shape Shop
Windows
Median: 4.5 hrsMean: 10.1 hrs≥1hr: 79%
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 34.6% ★, Co-op 23.3%, Building 16%, 3D 9.2%, Puzzle 8.8%