- #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 32.2% ★, Co-op 15.1%, Space 11.2%, Multiplayer 8.9%, Online Co-Op 7.3%
Why You'll Like It: Offers a deep, first-person co-op experience where players must manage different ship stations to survive in space.
- #2 Barotrauma
96% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 hrs≥1hr: 91%
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Why similar: Co-op 54.6%, Multiplayer 32.1%, Sci-fi 9.7%, Action 2.7%, Singleplayer 0.9%
Why You'll Like It: A tense, chaotic co-op submarine simulator that requires constant teamwork to manage ship systems and survive hostile environments.
- #3 Guns of Icarus Alliance
96% matchMostly Positive76% of 1,437 reviews2017
Dev: Muse Games
Windows · Mac · Linux
Median: 42 minMean: 15.5 hrs≥1hr: 44%
Own the skies in steam-powered airships! Guns of Icarus Alliance is a team-based online game that pits co-op crews against both rival teams and an AI that learns your tactics. Players become part of the story as each battle shapes history in an ever-changing steampunk world.
Why similar: Indie 41.7%, Co-op 22.6%, Multiplayer 16.8%, Adventure 6.5%, Action 4.3%
Why You'll Like It: The definitive experience for crew-based vehicle combat where coordination between pilot, gunner, and engineer is essential.
- #4 We Need To Go Deeper
95% matchVery Positive86% of 5,998 reviews2019
Dev: Deli Interactive LLC
Windows · Linux
Median: 3.3 hrsMean: 10.4 hrs≥1hr: 89%
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
Why similar: Co-op 30.5%, Roguelite 16.5%, Multiplayer 16.4%, Online Co-Op 13.8%, PvE 11%
Why You'll Like It: A chaotic, submarine-based roguelite that perfectly mirrors the frantic, multi-station management found in Void Crew.
- #5 This Means Warp
94% 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: Co-op 23.2%, Space 18.7%, Online Co-Op 17.1%, Multiplayer 14.4%, Roguelite 13.5%
Why You'll Like It: A roguelite spaceship management game that emphasizes chaotic, real-time decision-making with friends.
- #6 Voidtrain
92% matchMostly Positive74% of 9,176 reviews2025
Dev: HypeTrain Digital
Windows
Median: 8.3 hrsMean: 13.8 hrs≥1hr: 93%
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Why similar: Co-op 35.3%, Multiplayer 21.7%, Online Co-Op 19.8%, First-Person 7.1%, Exploration 5.7%
Why You'll Like It: Features co-op survival and exploration on a moving vehicle that requires constant maintenance and upgrades.
- #7 Lovers in a Dangerous Spacetime
93% matchVery Positive93% of 4,015 reviews2015
Dev: Asteroid Base
Windows · Mac · Linux
Median: 3.3 hrsMean: 5.1 hrs≥1hr: 78%
Explore a neon galaxy in your very own battleship in this 1- to 4-player couch co-op adventure.
Why similar: Co-op 34.6%, Space 23%, Multiplayer 21.1%, Sci-fi 6.2%, Action-Adventure 4.8%
Why You'll Like It: A frantic co-op game where players must constantly switch between ship stations to navigate hazards and fight enemies.
- #8 Space Crew: Legendary Edition
91% matchMostly Positive74% of 3,111 reviews2020
Dev: Runner DuckPub: Curve Games
Windows · Mac · Linux
Median: 2.7 hrsMean: 9.8 hrs≥1hr: 63%
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Why similar: Space Sim 42.6% ★, Space 19.9%, Roguelite 12.9%, Sci-fi 9%, Adventure 5.6%
Why You'll Like It: A direct spiritual cousin that focuses on managing a crew and ship through dangerous space missions.
- #9 Avorion
91% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space Sim 44.7% ★, Space 16.4%, Flight 15.2%, PvE 9.6%, Sci-fi 5.9%
Why You'll Like It: Focuses on deep ship building and tactical space combat with strong co-op support for exploration.
- #10 Deep Rock Galactic
90% matchOverwhelmingly Positive97% of 372,881 reviews2020
Dev: Ghost Ship GamesPub: Coffee Stain Publishing
Windows
Median: 14.2 hrsMean: 75.7 hrs≥1hr: 94%
Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!
Why similar: Co-op 40.6%, Space 18.6%, PvE 16.7%, Sci-fi 7.7%, First-Person 7.3%
Why You'll Like It: The gold standard for chaotic, high-energy co-op PVE where team synergy is the key to survival.
- #11 Cosmoteer: Starship Architect & Commander
89% 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 38.8% ★, Space 16.7%, Online Co-Op 12.4%, Multiplayer 11.7%, Sci-fi 9.2%
Why You'll Like It: Allows for intricate ship design and strategic combat management in a space setting.
- #12 Roboquest
88% matchOverwhelmingly Positive95% of 23,771 reviews2023
Dev: RyseUp Studios
Windows
Median: 7.2 hrsMean: 17.9 hrs≥1hr: 91%
Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments.
Why similar: Co-op 28.9%, Roguelite 21.2%, Online Co-Op 20.1%, Multiplayer 11.6%, Sci-fi 5.6%
Why You'll Like It: A fast-paced, co-op roguelite FPS that delivers the same high-energy combat intensity as Void Crew.
- #13 Empyrion - Galactic Survival
89% 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 35.1% ★, Co-op 21.4%, Space 15.3%, Multiplayer 10.4%, PvE 7.7%
Why You'll Like It: A space-sim that combines ship building, survival, and co-op exploration in a vast galaxy.
- #14 Deadzone: Rogue
86% matchVery Positive85% of 14,091 reviews2025
Dev: Prophecy Games
Windows
Median: 10.3 hrsMean: 18.4 hrs≥1hr: 94%
Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.
Why similar: Online Co-Op 29.1%, Roguelite 23%, PvE 18.7%, Sci-fi 10.2%, First-Person 9.6%
Why You'll Like It: A roguelite FPS that incorporates online co-op elements for challenging PVE encounters.
- #15 EVERSPACE™ 2
86% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 28.6%, Flight 20.3%, PvE 14.7%, Action-Adventure 9.1%, Sci-fi 8.1%
Why You'll Like It: Provides high-octane space combat and exploration with a focus on loot and ship progression.
- #16 Elite Dangerous
87% matchMostly Positive77% of 105,113 reviews2015
Dev: Frontier Developments
Windows
Median: 18.4 hrsMean: 146.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 51.7% ★, Space 18.8%, Multiplayer 8.4%, Online Co-Op 5.5%, Sci-fi 5.4%
Why You'll Like It: The definitive space-sim experience for players who want to master complex ship systems and explore a realistic galaxy.
- #17 Abiotic Factor
84% matchOverwhelmingly Positive96% of 52,861 reviews2025
Dev: Deep Field GamesPub: Playstack
Windows
Median: 19.3 hrsMean: 42.7 hrs≥1hr: 95%
Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
Why similar: Online Co-Op 28.9%, Multiplayer 21.9%, PvE 14.2%, Sci-fi 11.8%, First-Person 8.9%
Why You'll Like It: A co-op survival game that emphasizes complex base and system management in a dangerous environment.
- #18 HELLDIVERS™ 2
85% matchMostly Positive77% of 1,121,275 reviews2024
Dev: Arrowhead Game StudiosPub: PlayStation Publishing LLC
Windows
Median: 44.4 hrsMean: 100.4 hrs≥1hr: 98%
The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.
Why similar: Online Co-Op 22%, Co-op 21.9%, Multiplayer 17.4%, Space 14.8%, PvE 13.8%
Why You'll Like It: Delivers intense, chaotic, and cinematic team-based PVE combat that captures the high-stakes action of space exploration.
- #19 Jump Space
83% matchVery Positive86% of 10,042 reviews2025
Dev: Keepsake Games
Windows
Median: 5.9 hrsMean: 9.7 hrs≥1hr: 92%
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
Why similar: Co-op 26.6%, Space 17.5%, PvE 11.6%, Roguelite 9.3%, Multiplayer 7.7%
Why You'll Like It: A co-op space FPS that emphasizes team-based PVE combat and exploration.
- #20 Abyssus
82% matchVery Positive85% of 4,570 reviews2025
Dev: DoubleMoose GamesPub: The Arcade Crew
Windows
Median: 10.1 hrsMean: 14.6 hrs≥1hr: 91%
Choose your loadout, blast through the corrupted denizens of a sunken civilization, and wield godly powers in Abyssus – a fast-paced 1-to-4 players FPS and roguelite brinepunk adventure.
Why similar: Co-op 26.3%, Online Co-Op 17.6%, Roguelite 16.1%, Multiplayer 14.5%, PvE 11.6%
Why You'll Like It: A roguelite FPS that focuses on co-op play and challenging PVE combat encounters.
- #21 Interstellar Rift
84% 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 50.4% ★, Space 15.4%, Futuristic 8.7%, Sci-fi 5.8%, First-Person 5.6%
Why You'll Like It: A multi-crew ship simulation game that focuses on construction, exploration, and system management.
- #22 Starship Troopers: Extermination
81% matchMostly Positive80% of 32,811 reviews2024
Dev: Offworld
Windows
Median: 4.9 hrsMean: 17.7 hrs≥1hr: 86%
Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Why similar: Co-op 22.2%, Online Co-Op 16.4%, Space 15.9%, Multiplayer 14.4%, PvE 10.5%
Why You'll Like It: Offers large-scale, chaotic co-op PVE action against overwhelming alien swarms.
- #23 Gatekeeper
80% matchVery Positive84% of 3,161 reviews2025
Dev: Gravity LagoonPub: HypeTrain Digital
Windows
Median: 4.8 hrsMean: 9.7 hrs≥1hr: 85%
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
Why similar: Co-op 38.2%, Online Co-Op 14.4%, Multiplayer 13.9%, Roguelite 13.7%, PvE 6.6%
Why You'll Like It: A co-op roguelite that focuses on fast-paced action and defending objectives against waves of enemies.
- #24 Lost Fleet
82% matchMixed62% of 74 reviews2022
Dev: InfinityNan Studios
Windows
Lost Fleet is a co-op space shooter. Every ship in your fleet is flyable, from the smallest fighter to the largest battleship. Protect the Mothership, mine resources, crush your enemies.
Why similar: Space Sim 29% ★, Flight 12.2%, Online Co-Op 11.7%, Multiplayer 10.8%, Roguelite 10%
Why You'll Like It: An action-roguelike that emphasizes multiplayer co-op and space-based combat.
- #25 Between the Stars
81% 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 42.8% ★, Space 25.1%, Roguelite 6.9%, Sci-fi 5.7%, Flight 5.1%
Why You'll Like It: Offers a mix of space action and RPG elements with a focus on ship command and combat.
- #26 Mycopunk
79% matchVery Positive89% of 4,116 reviews2025
Dev: Pigeons at PlayPub: Devolver Digital
Windows
Median: 5.3 hrsMean: 16.0 hrs≥1hr: 84%
Cut through fungal aliens in this hyper-customizable, mission based looter shooter. Hundreds of hand-crafted upgrades, 4-player co-op, and a little roach man. What’s not to love?
Why similar: Co-op 26%, Online Co-Op 25.8%, Space 15.6%, PvE 13.8%, Action 5.8%
Why You'll Like It: A co-op PVE shooter that emphasizes teamwork and survival in a hostile setting.
- #27 Slipstream: Rogue Space
78% matchVery Positive92% of 142 reviews2024
Dev: Subpixel Studios
Windows · Mac
A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.
Why similar: Space Sim 37.6% ★, Co-op 18.8%, Multiplayer 11.7%, Roguelite 10.3%, Futuristic 6.6%
Why You'll Like It: A co-op space-sim that focuses on roguelite progression and multiplayer action.
- #28 Wildgate
77% matchMostly Positive78% of 5,481 reviews2025
Dev: Moonshot GamesPub: Dreamhaven
Windows
Median: 7.3 hrsMean: 14.4 hrs≥1hr: 87%
Wildgate is a PvPvE multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
Why similar: Space Sim 26.2% ★, Co-op 17%, Space 13.5%, Multiplayer 11.6%, Online Co-Op 10.7%
- #29 Forever Skies
75% matchMostly Positive79% of 8,284 reviews2025
Dev: Far From Home
Windows
Median: 7.4 hrsMean: 32.0 hrs≥1hr: 91%
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.
Why similar: Co-op 32.7%, Multiplayer 17.4%, Futuristic 12.1%, Exploration 7.7%, Sci-fi 7.6%
- #30 Starship EVO
77% 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 35.2% ★, Space 26.3%, Multiplayer 9.9%, Adventure 7.3%, Futuristic 6.4%
- #31 VOID/BREAKER
73% matchVery Positive92% of 2,318 reviews2025
Dev: Stubby GamesPub: Playstack
Windows
Median: 3.5 hrsMean: 5.5 hrs≥1hr: 81%
Fast paced Bullet hell Roguelite FPS 🔴 Fight relentless machines driven by a hostile AI. Escape an endless cycle. Craft infinite weapon variants with deep gun modding. Forge deadly synergies. Carve your way out through enviro destruction /BREAK THE SYSTEM /BREAK FREE
Why similar: Roguelite 38.5%, Futuristic 23.3%, Sci-fi 16.2%, First-Person 13.5%, Action 5.9%
- #32 The Planet Crafter
73% 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: Co-op 30.2%, Online Co-Op 21.7%, Space 21.7%, Sci-fi 7.5%, First-Person 6.6%
- #33 Quintet
78% matchMostly Positive77% of 360 reviews2015
Dev: Carmine T. Guida
Windows · Mac · Linux
Median: 42 minMean: 20.4 hrs≥1hr: 43%
A cooperative, cross-platform, multiplayer scifi game where players control the same ship through 5 roles — Captain, Helm, Tactical, Engineering & Science. Battle with other player crews over the Internet.
Why similar: Space 31.1%, Co-op 27.7%, Multiplayer 20.6%, Action 7.6%, Sci-fi 6.9%
Why You'll Like It: A multiplayer space action game that requires coordination to manage ship systems and engage in combat.
- #34 EVERSPACE™
76% matchMostly Positive78% of 11,373 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 10.0 hrs≥1hr: 75%
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
Why similar: Space Sim 35.7% ★, Space 29.7%, Roguelite 9.9%, Flight 9.2%, Sci-fi 6.4%
- #35 Lodestar
76% matchMostly Positive72% of 78 reviews2023
Dev: Edenic Era LLC
Windows
Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!
Why similar: Space Sim 32.7% ★, Co-op 14.1%, Online Co-Op 12.3%, Space 12.1%, Multiplayer 10.7%
- #36 Void War
73% matchVery Positive94% of 3,537 reviews2025
Dev: Tundra
Windows
Median: 7.7 hrsMean: 14.5 hrs≥1hr: 83%
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
Why similar: Space 44%, Roguelite 35.2%, Sci-fi 12.8%, Adventure 6.6%, Singleplayer 1.5%
- #37 Species: Unknown
72% matchVery Positive95% of 6,260 reviews2025
Dev: WanadevStudio
Windows
Median: 4.7 hrsMean: 7.3 hrs≥1hr: 91%
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
Why similar: Online Co-Op 28.9%, Multiplayer 20%, PvE 14.8%, First-Person 10.8%, Sci-fi 9%
- #38 Ship of Fools
74% matchVery Positive82% of 5,872 reviews2022
Dev: Fika ProductionsPub: Team17
Windows
Median: 4.8 hrsMean: 8.6 hrs≥1hr: 84%
Ship of Fools is a seafaring cooperative roguelite. Set sail, man the cannons and battle sea monsters through the tempestuous seas of the Archipelago. Are you fool enough to stop the Aquapocalypse?
Why similar: Co-op 37.6%, Roguelite 20.4%, Multiplayer 19.9%, Online Co-Op 14%, Colorful 3.7%
- #39 STAR WARS™: Squadrons
75% matchMixed65% of 27,803 reviews2020
Dev: MOTIVEPub: Electronic Arts
Windows
Median: 3.4 hrsMean: 12.4 hrs≥1hr: 80%
Master the art of starfighter combat in the authentic piloting experience STAR WARS™: Squadrons. Feel the adrenaline of first-person multiplayer space dogfights alongside your squadron, and buckle up in a thrilling STAR WARS™ story.
Why similar: Flight 22.2%, Space 21.2%, Multiplayer 14.4%, Space Sim 13% ★, Co-op 8.5%
- #40 Spacelines from the Far Out: Flight School
74% matchVery Positive83% of 252 reviews2022
Dev: CoffeenautsPub: Skystone Games
Windows · Mac · Linux
Median: 1.0 hrsMean: 4.6 hrs≥1hr: 50%
Spacelines from the Far Out: Flight School is all about getting you prepared to take on the task of running your own Spaceline before launch! Join up to 3 other people to take on the challenges and demands as you ferry people to their destination.
Why similar: Space Sim 33.7% ★, Space 17.2%, Roguelite 10.6%, Online Co-Op 10.1%, Multiplayer 10%
- #41 Space Beast Terror Fright
72% matchVery Positive92% of 1,775 reviews2022
Dev: nornware AB
Windows
Median: 2.1 hrsMean: 5.4 hrs≥1hr: 65%
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?
Why similar: Co-op 40.9%, Multiplayer 13.6%, Space 13.2%, Roguelite 8.8%, Sci-fi 8%
- #42 Volcanoids
71% matchVery Positive83% of 9,214 reviews2019
Dev: Volcanoid
Windows · Linux
Median: 3.8 hrsMean: 15.9 hrs≥1hr: 76%
A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.
Why similar: Co-op 28%, Online Co-Op 23.1%, Multiplayer 22.1%, First-Person 8.2%, Exploration 7.7%
- #43 ADIOS Amigos: Galactic Explorers
71% 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 56.8% ★, Space 13.3%, Roguelite 11.2%, Exploration 6%, Sci-fi 5.6%
- #44 Fueled Up
70% matchMostly Positive77% of 127 reviews2022
Dev: Fireline Games
Windows
Median: 2.3 hrsMean: 3.2 hrs≥1hr: 81%
Fueled Up is a chaotic couch co-op spaceship recovery game for up to four players. You and your crewmates must fuel, fix and rescue damaged spaceships before the evil space octopus gets its tentacles on them!
Why similar: Co-op 27.1%, Online Co-Op 19.5%, Multiplayer 18.8%, Space 18.7%, Sci-fi 5.4%
- #45 Stars End
70% 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 25.3% ★, Co-op 19.9%, Space 12.2%, Multiplayer 11.8%, Online Co-Op 11.1%
- #46 Kritters
66% matchVery Positive89% of 92 reviews2026
Dev: LJF Games
Windows · Linux
A chaotic Roguelite Twin-Stick Shooter with a Base Defense Twist. With up to 4 players, explore, become stronger to defend your spaceship and leave this Frk*n planet!
Why similar: Co-op 25.5%, Online Co-Op 16.3%, Roguelite 16%, Multiplayer 12.9%, PvE 11.7%
- #47 StarRupture
65% matchVery Positive81% of 10,861 reviews2026
Dev: Creepy Jar
Windows
Median: 6.6 hrsMean: 18.9 hrs≥1hr: 88%
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
Why similar: Co-op 33.6%, Multiplayer 20.9%, Online Co-Op 17.8%, Sci-fi 9.5%, Exploration 7.2%
- #48 VoidExpanse
70% 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 52.1%, Multiplayer 15.7%, Sci-fi 12.8%, Character Customization 9.6%, Action 4.9%
- #49 Warspace 2
67% matchMixed61% of 82 reviews2025
Dev: Magic Game Art
Windows · Mac · Linux
Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.
Why similar: Space Sim 39.2% ★, Space 15.5%, Co-op 13.9%, Online Co-Op 9.7%, PvE 9.4%
- #50 Lost Skies
67% 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 29.7%, Flight 13.4%, Co-op 12.3%, Character Customization 11.5%, Adventure 10.3%
- #51 Starbase
69% matchMixed56% of 6,702 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 55.9% ★, Space 18.7%, Multiplayer 9.4%, Sci-fi 6.9%, First-Person 3.4%
- #52 Voidship: The Long Journey
69% matchMostly Positive74% of 148 reviews2019
Dev: Cydonian Games
Windows
Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!
Why similar: Space 36.5%, Roguelite 15.8%, Sci-fi 15.1%, Action 9.2%, Adventure 8%
- #53 Go Ape Ship!
67% matchMostly Negative40% of 409 reviews2026
Dev: Sound Games
Windows · Mac
Go Ape Ship! is a frantic co-op multiplayer game for one to eight players. Work with your crew of daring Astrochimps to master an expanding collection of tasks, respond to emergencies, unlock new rooms and upgrades for your spaceship, and safely reach the stars. Survive together. Or not at all.
Why similar: Co-op 29.6%, Online Co-Op 22.2%, Space 21.3%, Multiplayer 18.2%, 3D 3%
- #54 Space Impossible
68% matchVery Positive95% of 141 reviews2016
Dev: Happy Polygon
Windows · Mac · Linux
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?
Why similar: Space 37.4%, Adventure 30.9%, Action 17.9%, Indie 13.8%
- #55 BATTLECREW™ Space Pirates
69% matchMixed67% of 295 reviews2017
Dev: DONTNOD ELEVEN
Windows
Median: 2.4 hrsMean: 5.9 hrs≥1hr: 61%
BATTLECREW™ Space Pirates is a fast-paced competitive multiplayer shooter. Choose your hero, call a few friends and join in on the fun! Meet in battle in this 2vs2 to 4vs4 action platformer.
Why similar: Multiplayer 31.3%, Co-op 29.6%, Online Co-Op 22.9%, Indie 5.8%, Sci-fi 5.4%
- #56 LORT
63% matchMostly Positive78% of 3,462 reviews2026
Dev: Big Distraction
Windows
Median: 3.3 hrsMean: 6.5 hrs≥1hr: 79%
LORT is a 1–8 player co-op action roguelite. Team up with your friends to battle, loot, and stack ridiculous power-ups across a cursed fantasy world. Fight toward escape, revive your homies, and get absolutely chadded as you evolve from goblin tickler to god slapper.
Why similar: Co-op 25.9%, Online Co-Op 20.2%, Multiplayer 18.2%, Roguelite 17.7%, PvE 10.3%
- #57 Evochron Mercenary
68% matchMostly Positive77% of 434 reviews2012
Dev: StarWraith 3D Games LLC
Windows
Median: 2.7 hrsMean: 6.8 hrs≥1hr: 73%
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Why similar: Space Sim 40.4% ★, Space 28.3%, Flight 7.7%, Multiplayer 7.5%, Sci-fi 6.2%
- #58 Barony
66% matchVery Positive91% of 14,398 reviews2015
Dev: Turning Wheel LLC
Windows · Mac · Linux
Median: 4.5 hrsMean: 15.2 hrs≥1hr: 87%
Barony is the premier first-person roguelike with cooperative play! Adventure alone, or gather a party with iconic and unusual RPG classes to face off against the brutal dungeons. Test your resourcefulness, wits, and friendships, on your quest to lift the evil lich's curse!
Why similar: Co-op 32%, Multiplayer 29.4%, Online Co-Op 25.3%, First-Person 9.3%, Indie 2.2%