- #1 War Thunder
96% matchMostly Positive72% of 748,891 reviews2013
Dev: Gaijin EntertainmentPub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 9.8 hrsMean: 196.8 hrs≥1hr: 84%
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.
Why similar: Flight 38.2%, Massively Multiplayer 30.4%, Shooter 12.7%, Third Person 12.6%, Action 6.1%
Why You'll Like It: Developed by the same team as Star Conflict, this game shares an identical UI, progression system, and lobby-based combat feel.
- #2 World of Warships
96% matchMostly Positive77% of 154,781 reviews2017
Dev: Wargaming Group Limited
Windows
Median: 4.0 hrsMean: 82.7 hrs≥1hr: 77%
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
Why similar: Online Co-Op 32.4%, Shooter 28.3%, PvE 22.8%, 3D 9.8%, Action 6.7%
Why You'll Like It: Provides a very similar match-based progression loop and team-oriented combat structure, albeit in a naval setting.
- #3 EVERSPACE™ 2
95% matchVery Positive86% of 12,733 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.6 hrsMean: 28.9 hrs≥1hr: 88%
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: Flight 26.2%, Open World 16.3%, Shooter 14.5%, PvE 13.1%, Third Person 9.8%
Why You'll Like It: Combines high-speed, arcade-style space combat with deep ship customization and loot-driven progression.
- #4 STAR WARS™: Squadrons
94% matchMixed65% of 27,926 reviews2020
Dev: MOTIVEPub: Electronic Arts
Windows
Median: 3.4 hrsMean: 12.5 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 53%, Sci-fi 14.1%, Space Sim 13.5%, Online Co-Op 10.4%, Shooter 5%
Why You'll Like It: Offers the definitive arcade-style space dogfighting experience with a focus on fast-paced maneuvers and ship-specific roles.
- #5 Elite Dangerous
94% matchMostly Positive77% of 105,919 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 147.5 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 36.2%, Massively Multiplayer 17.2%, Open World 12.7%, Trading 10.5%, Sci-fi 8%
Why You'll Like It: While more simulation-heavy, it provides the most immersive space flight experience for players looking to expand their horizons.
- #6 EVE Online
93% matchMostly Positive73% of 38,745 reviews2010
Dev: CCP
Windows · Mac
Median: 3.0 hrsMean: 138.3 hrs≥1hr: 73%
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
Why similar: Space Sim 23.9%, Trading 23.3%, Massively Multiplayer 14.9%, Open World 9.8%, Sandbox 8.7%
Why You'll Like It: Offers the grand scale of space warfare and faction politics that Star Conflict players often aspire to in a larger MMO context.
- #7 MechWarrior Online™ Legends
92% matchVery Positive80% of 12,690 reviews2015
Dev: Piranha Games Inc.
Windows
Median: 1.6 hrsMean: 56.7 hrs≥1hr: 60%
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
Why similar: Massively Multiplayer 39.3%, Shooter 28.7%, Sci-fi 22.7%, Action 9.4%
Why You'll Like It: Features similar team-based, lobby-driven combat with deep, modular customization for your combat unit.
- #8 Crossout
91% matchMostly Positive75% of 68,841 reviews2017
Dev: Targem GamesPub: Gaijin Network Ltd
Windows
Median: 4.9 hrsMean: 56.2 hrs≥1hr: 81%
Crossout - the postapocalyptic MMO action game where you can create a unique design for an armoured vehicle from dozens of parts and then drive it into multiplayer battles raging on land and in the skies alike.
Why similar: Trading 26.3%, Online Co-Op 13.8%, Crafting 13.4%, Sandbox 12%, Third Person 11.9%
Why You'll Like It: Shares the same developer DNA as Star Conflict, focusing on custom vehicle building and intense, lobby-based multiplayer combat.
- #9 Chorus
91% matchVery Positive82% of 4,520 reviews2021
Dev: Deep Silver FishlabsPub: Deep Silver
Windows
Median: 3.2 hrsMean: 9.7 hrs≥1hr: 68%
Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.
Why similar: Space Sim 23.7%, Flight 22.8%, Action 14.4%, Shooter 12.5%, Sci-fi 12.1%
Why You'll Like It: Features fluid, high-speed arcade space combat with unique movement mechanics that feel like an evolution of Star Conflict's flight model.
- #10 Project Wingman
89% matchVery Positive94% of 21,506 reviews2020
Dev: Sector D2
Windows
Median: 4.7 hrsMean: 14.6 hrs≥1hr: 69%
Project Wingman is a flight action game that lets you take the seat of advanced fighter jets and become a true ace. Fight in various missions and gamemodes ranging from intense aerial dogfights to large scale ground assault in an alternate scorched earth setting.
Why similar: Flight 70.5%, Shooter 8.8%, Sci-fi 7.5%, Third Person 6.7%, Action 6.5%
Why You'll Like It: Captures the intensity and arcade-flight feel of Star Conflict, focusing on high-octane combat missions.
- #11 Infinity: Battlescape
89% matchVery Positive80% of 754 reviews2019
Dev: I-Novae Studios, LLC
Windows
Median: 3.1 hrsMean: 10.0 hrs≥1hr: 74%
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
Why similar: Massively Multiplayer 42%, Space Sim 37.8%, Sci-fi 10.1%, Action 6.1%, PvE 4%
Why You'll Like It: Focuses on massive-scale space combat with a strong emphasis on action and team coordination.
- #12 ACE COMBAT™ 7: SKIES UNKNOWN
87% matchVery Positive88% of 55,007 reviews2019
Dev: Bandai Namco Studios Inc.Pub: Bandai Namco Entertainment
Windows
Median: 6.3 hrsMean: 20.9 hrs≥1hr: 84%
Become an ace pilot and soar through photorealistic skies with full 360 degree movement; down enemy aircraft and experience the thrill of engaging in realistic sorties! Aerial combat has never looked or felt better!
Why similar: Flight 62.6%, Shooter 11.4%, Third Person 9.8%, Sci-fi 7.7%, 3D 5.1%
Why You'll Like It: The gold standard for arcade flight combat, offering the same thrill of dogfighting and mission-based progression.
- #13 Star Trek Online
86% matchMostly Positive79% of 21,049 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 132.8 hrs≥1hr: 84%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: Massively Multiplayer 40.7%, Sci-fi 17.6%, Open World 13.1%, RPG 8.7%, Online Co-Op 6.8%
Why You'll Like It: Provides a massive multiplayer space combat experience with a focus on faction-based missions and ship upgrades.
- #14 Avorion
84% matchVery Positive90% of 14,391 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.7 hrsMean: 99.8 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 20.9%, Flight 16%, Trading 14.2%, Sandbox 9.5%, Choose Your Own Adventure 9.4%
Why You'll Like It: Focuses on sandbox space combat with extensive ship-building mechanics that allow for unique combat designs.
- #15 Hades' Star
85% matchMostly Positive73% of 2,651 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 55.0 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Massively Multiplayer 53.8%, Online Co-Op 15.5%, Sci-fi 15.5%, PvE 11.3%, Atmospheric 3.9%
Why You'll Like It: A strategic space management game that emphasizes multiplayer cooperation and long-term progression.
- #16 X4: Foundations
84% matchMostly Positive80% of 28,557 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.7 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space Sim 22.9%, Trading 21.9%, Flight 18%, Sandbox 10.2%, Open World 9.7%
Why You'll Like It: A deep space simulation that allows players to manage entire fleets, perfect for those who want to scale up from individual pilot combat.
- #17 Interstellar Rift
83% 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 24%, Trading 19.5%, Aliens 11.4%, Crafting 11.2%, Sandbox 9.8%
Why You'll Like It: Focuses on ship construction and multiplayer space operations, emphasizing the technical side of space flight.
- #18 Void Destroyer 2
82% matchVery Positive80% of 667 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 14.5 hrs≥1hr: 75%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 27.1%, Trading 20.9%, Flight 16.2%, Sandbox 11.7%, Open World 11%
Why You'll Like It: Blends fast-paced space combat with tactical fleet management, appealing to players who enjoy the strategic side of Star Conflict.
- #19 Empyrion - Galactic Survival
81% 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 33.2%, Crafting 15.4%, Open World 15.2%, Sandbox 14.7%, PvE 11.4%
Why You'll Like It: Offers space combat alongside survival and building mechanics for players who want more depth in their space experience.
- #20 Second Galaxy
82% matchMixed52% of 1,202 reviews2019
Dev: Zilong Game Limited
Windows
Median: 42 minMean: 9.4 hrs≥1hr: 37%
Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.
Why similar: Massively Multiplayer 55.1%, Open World 19.1%, RPG 13.6%, Sci-fi 12.2%
Why You'll Like It: Combines open-world space exploration with tactical combat and massive multiplayer fleet engagements.
- #21 Rebel Galaxy
81% matchVery Positive85% of 8,321 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space Sim 29.6%, Open World 18.1%, Sci-fi 14.1%, Trading 12.4%, Sandbox 7.8%
Why You'll Like It: Features arcade-style space combat with a focus on broadside battles and ship-to-ship action.
- #22 House of the Dying Sun
80% matchVery Positive90% of 2,016 reviews2016
Dev: Marauder Interactive, LLC
Windows
Median: 1.0 hrsMean: 2.6 hrs≥1hr: 50%
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Why similar: Space Sim 53.7%, Flight 21.8%, Sci-fi 9.5%, Shooter 8%, Action 7.1%
Why You'll Like It: A tactical space combat game that focuses on quick, intense missions and high-stakes dogfighting.
- #23 Starbase
79% matchMixed56% of 6,719 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.3 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 30.1%, Massively Multiplayer 24.3%, Open World 13.5%, Sandbox 12.1%, Crafting 9.8%
Why You'll Like It: Features large-scale space combat and construction in an open universe, appealing to players who enjoy persistent multiplayer worlds.
- #24 Space Commander: War and Trade
79% matchMixed67% of 694 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 56%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: Space Sim 34.9%, Flight 25.3%, Aliens 16.9%, RPG 8.6%, Sci-fi 5.1%
Why You'll Like It: Action-oriented space combat with trading elements that mirror the economic progression found in Star Conflict.
- #25 Destination Sol
78% matchMostly Positive79% of 1,362 reviews2015
Dev: MovingBlocks
Windows · Mac · Linux
Median: 30 minMean: 3.8 hrs≥1hr: 30%
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Why similar: Open World 45.9%, RPG 30.8%, Action 15%, Sci-fi 8.4%
Why You'll Like It: An arcade-style space exploration and combat game that keeps the action focused and accessible.
- #26 PlanetSide 2
77% matchVery Positive81% of 74,576 reviews2012
Dev: Rogue Planet GamesPub: Daybreak Game Company
Windows
Median: 3.6 hrsMean: 53.8 hrs≥1hr: 77%
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
Why similar: Massively Multiplayer 45.8%, Open World 15.3%, Shooter 15.1%, Online Co-Op 8.6%, Sci-fi 8.4%
- #27 DarkOrbit Reloaded
75% matchMostly Negative29% of 403 reviews2025
Dev: Bigpoint GmbH
Windows
Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?
Why similar: Space Sim 28.5%, Flight 17.4%, Massively Multiplayer 11.5%, Aliens 10.9%, RPG 9.2%
- #28 Endless Sky
76% matchVery Positive92% of 7,005 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Trading 27.3%, Space Sim 24.2%, Open World 18.9%, Sci-fi 12.8%, Sandbox 8.1%
- #29 World of Warplanes
74% matchMostly Positive70% of 5,544 reviews2022
Dev: Wargaming Group Limited
Windows
Median: 1.3 hrsMean: 38.1 hrs≥1hr: 54%
World of Warplanes is an aerial combat MMO action game set in the Golden Age of military aviation. The game throws players into a never-ending battle for dominance of the skies.
Why similar: Flight 46.4%, Shooter 16.4%, Third Person 16%, Atmospheric 8.2%, 3D 7.9%
- #30 SPACERIFT: Arcanum System
74% matchMostly Positive77% of 499 reviews2020
Dev: Arcanum Team
Windows
Median: 54 minMean: 10.0 hrs≥1hr: 43%
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
Why similar: Space Sim 32.3%, Flight 15.2%, Crafting 14.2%, Open World 14.2%, Sci-fi 10.5%
- #31 Stars End
73% 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: Massively Multiplayer 22.8%, Space Sim 19%, Online Co-Op 13.1%, Crafting 9.8%, Sandbox 9.1%
- #32 StarMade
75% 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: Sandbox 25.2%, Open World 18.7%, Space Sim 17.1%, Crafting 11.7%, Sci-fi 10.9%
- #33 AirMech
73% matchVery Positive84% of 10,838 reviews2018
Dev: Carbon Games
Windows
Median: 2.4 hrsMean: 19.4 hrs≥1hr: 67%
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
Why similar: Online Co-Op 31.8%, Massively Multiplayer 27.3%, Sci-fi 15.8%, Shooter 12.2%, Action 9.4%
- #34 The Infinite Black 2
71% matchVery Positive85% of 232 reviews2023
Dev: SpellbookPub: www.Spellbook.com
Windows
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
Why similar: Space Sim 34.2%, Massively Multiplayer 20%, Open World 13.8%, Crafting 9.3%, Sci-fi 8.8%
- #35 Entropia Universe
70% matchMixed63% of 454 reviews2025
Dev: MindArk
Windows
Entropia Universe is a unique massively multiplayer online game (MMO) where virtual assets hold real-world value and players can participate in a thriving virtual sandbox economy.
Why similar: Trading 24.8%, Sandbox 14.3%, Open World 12.2%, Crafting 11.9%, PvE 11.6%
- #36 War Robots: Frontiers
69% matchMixed65% of 4,641 reviews2025
Dev: MY.GAMES
Windows
Median: 1.9 hrsMean: 10.0 hrs≥1hr: 64%
Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.
Why similar: Sci-fi 33.7%, Action 22.9%, Online Co-Op 12.5%, Shooter 12.1%, Third Person 9.9%
- #37 Warspace 2
69% matchMixed61% of 85 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 22.6%, Sandbox 12.2%, Aliens 11.4%, Crafting 10.1%, Online Co-Op 8.8%
- #38 Space Engineers
70% 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 42.3%, Sandbox 19.5%, Open World 17.8%, PvE 15.7%, Action 4.6%
- #39 Star Hunter - Infinite Lagrange
72% matchMixed57% of 1,028 reviews2021
Dev: NetEase Games
Windows
Median: 2.4 hrsMean: 91.8 hrs≥1hr: 61%
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Why similar: Massively Multiplayer 56.3%, Space Sim 37.7%, 3D 6%
- #40 Stellar Wanderer DX
68% matchMostly Positive71% of 56 reviews2026
Dev: Dream Builder StudiosPub: Leoful
Windows
Fight, trade, mine, and explore the galaxy in this old-school space combat simulator. You are a freelance pilot who survived an assassination attempt. Travel the open world, chase bounties, get new ships, upgrade your gear, and, why not, maybe even save humankind!
Why similar: Space Sim 22.4%, Trading 21.7%, Flight 18.4%, Open World 7.8%, Third Person 6.9%
- #41 Space Aces
66% matchMixed64% of 418 reviews2026
Dev: DewEnforcerPub: Space Aces
Windows
Space Aces is an indie space shooter that plunges you into an online universe full of action, strategy, and fierce competition. Step into the cockpit and evolve from a rookie pilot into the most feared Ace in the galaxy!
Why similar: Massively Multiplayer 64.2%, PvE 16.9%, Sci-fi 10.8%, Action 8.2%
- #42 Evochron Legacy SE
71% matchVery Positive83% of 442 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.5 hrsMean: 6.8 hrs≥1hr: 60%
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Why similar: Space Sim 34.7%, Trading 26.5%, Sandbox 12.5%, Open World 11.6%, Sci-fi 8.6%
- #43 SpaceBourne 2
65% matchMostly Positive76% of 5,057 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.2 hrs≥1hr: 71%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 26.9%, Flight 21.3%, Science 18.8%, Open World 9.8%, Third Person 7.5%
- #44 World of Sea Battle
64% matchMostly Positive75% of 7,228 reviews2025
Dev: Thera Interactive
Windows
Median: 1.6 hrsMean: 26.0 hrs≥1hr: 56%
Set sail in World of Sea Battle, an action-packed open-world MMO in the Golden Age of Sail! Command historic ships, battle in PvP & PvE, shape the economy, and engage in territorial guild wars in your quest for glory across the high seas!
Why similar: Massively Multiplayer 29.3%, Open World 15.8%, Sandbox 15.7%, Crafting 13.5%, PvE 10.9%
- #45 Shattered Void
66% matchMostly Positive72% of 93 reviews2024
Dev: yyy1505yyy
Windows · Linux
Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.
Why similar: Trading 38.5%, Massively Multiplayer 34.8%, PvE 13.1%, Sci-fi 10.1%, Action 3.5%
- #46 X3: Terran Conflict
70% matchVery Positive85% of 2,848 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 32.1 hrs≥1hr: 51%
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
Why similar: Space Sim 28.8%, Trading 25.3%, Sandbox 15.5%, Open World 10.9%, Sci-fi 10.4%
- #47 Pixel Starships
66% matchMostly Positive73% of 2,939 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.5 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Space Sim 38.6%, Massively Multiplayer 26.9%, Aliens 16.6%, Sci-fi 12.6%, RPG 5.3%
- #48 PULSAR: Lost Colony
65% 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 38.1%, Open World 15.5%, Online Co-Op 13.7%, PvE 13%, Sci-fi 11%
- #49 Panzar
69% matchMixed66% of 5,157 reviews2013
Dev: Panzar StudioPub: OVALIS INVESTMENTS LIMITED
Windows
Median: 1.8 hrsMean: 15.2 hrs≥1hr: 65%
PANZAR is a fantasy multiplayer third-person shooter. You get to choose from eight unique character classes, team-based PvP battles, exciting PvE adventures and regular tournaments with real prizes. Advanced RPG elements, the non-target combat system and the most modern graphics by CryEngine 3 will make your combat experience...
Why similar: Massively Multiplayer 51.2%, Third Person 11.3%, RPG 10.7%, Action 8.7%, PvE 7.7%