- #1 Starpoint Gemini Warlords
97% matchMostly Positive73% of 3,581 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 87%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: Space 41.1%, RPG 22%, Simulation 16.5%, Sci-fi 15.5%, Indie 4.9%
Why You'll Like It: It successfully combines space RPG elements with fleet management and territory conquest, providing a similar sense of military progression.
- #2 SpaceBourne 2
96% 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 54.7%, RPG 45.3%
Why You'll Like It: An expansive space-sim that improves upon its predecessor with deeper RPG mechanics, faction interaction, and varied combat scenarios.
- #3 X4: Foundations
96% 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 46.5%, Simulation 21.3%, Sci-fi 19.9%, Action 12.3%
Why You'll Like It: This game offers the most comprehensive experience of managing a galactic empire, including ship-to-ship combat and boarding mechanics that mirror the scale of Salvation Prophecy.
- #4 Empyrion - Galactic Survival
95% 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 51.8%, Simulation 28.3%, Sci-fi 19.9%
Why You'll Like It: This title excels at the seamless transition between space flight and ground-based exploration and combat, capturing the dual-nature gameplay of the seed.
- #5 Avorion
94% 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 54%, Simulation 23.3%, Sci-fi 22.7%
Why You'll Like It: Focuses on building your own fleet and conquering sectors, providing a satisfying sense of progression and military expansion.
- #6 Void Destroyer 2
94% 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 40.3%, Simulation 20.2%, Sci-fi 18.1%, Action 14.1%, Indie 7.2%
Why You'll Like It: This sequel refines the blend of fleet command and arcade-style space combat, focusing on the tactical intensity of large-scale battles.
- #7 EVERSPACE™ 2
92% 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: Space 42.1%, RPG 18.3%, Simulation 14.8%, Sci-fi 13.8%, Action 11%
Why You'll Like It: Provides high-octane, action-oriented space combat with strong RPG progression systems and a focus on exploration.
- #8 Starpoint Gemini 2
93% matchMixed70% of 4,114 reviews2014
Dev: Little Green Men Games
Windows
Median: 3.0 hrsMean: 5.3 hrs≥1hr: 88%
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
Why similar: Space 48.7%, RPG 15.8%, Simulation 13.1%, Sci-fi 11%, Action 7.2%
Why You'll Like It: A solid space RPG that emphasizes ship customization and tactical combat within a persistent, war-torn universe.
- #9 Space Engineers
91% 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 55.5%, Simulation 27%, Action 17.5%
Why You'll Like It: Allows for complex ship and base construction with integrated space and ground combat, perfect for players who enjoy the engineering and combat aspects of space warfare.
- #10 Between the Stars
90% 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 37.5%, RPG 21.2%, Simulation 15.5%, Action 10.2%, Sci-fi 9.9%
Why You'll Like It: Blends space exploration with RPG elements and fleet management, allowing players to shape the outcome of a galactic conflict.
- #11 Galaxy on Fire 2™ Full HD
91% matchMostly Positive77% of 2,232 reviews2012
Dev: Fishlabs Entertainment GmbHPub: bitComposer Games
Windows
Median: 48 minMean: 8.9 hrs≥1hr: 46%
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
Why similar: Space 55%, Simulation 16.9%, Sci-fi 16.3%, Action 11.8%
Why You'll Like It: A classic space-sim that captures the essence of mercenary work and faction-based combat in a sprawling galaxy.
- #12 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 49.8%, RPG 19.6%, Sci-fi 15.8%, Action 9.5%, Indie 5.2%
Why You'll Like It: Combines exploration and ship building with RPG elements, offering a sense of discovery and progression in a hostile galaxy.
- #13 Rebel Galaxy Outlaw
89% matchMixed64% of 1,154 reviews2020
Dev: Double Damage Games
Windows
Median: 42 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: Space 24.7%, RPG 23.9%, Sci-fi 20.1%, Simulation 18.1%, Action 13.2%
Why You'll Like It: Delivers a gritty, arcade-style space combat experience that captures the feeling of being a pilot in a dangerous, faction-filled galaxy.
- #14 X Rebirth
88% matchMixed44% of 7,309 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.2 hrs≥1hr: 88%
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Why similar: Space 50.1%, Simulation 25%, Sci-fi 15.5%, Action 9.3%
Why You'll Like It: Focuses on the exploration and combat aspects of a massive space universe, providing a deep simulation experience.
- #15 HighFleet
85% matchVery Positive88% of 7,247 reviews2021
Dev: Konstantin KoshutinPub: MicroProse Software
Windows
Median: 4.9 hrsMean: 16.7 hrs≥1hr: 78%
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
Why similar: Simulation 33.4%, Sci-fi 29.1%, Action 22.1%, Indie 15.4%
Why You'll Like It: Offers a unique, high-stakes tactical experience involving fleet management and intense, physics-based combat in a post-apocalyptic setting.
- #16 Strike Suit Zero: Director's Cut
87% matchVery Positive82% of 387 reviews2014
Dev: Born Ready Games
Windows
Median: 2.5 hrsMean: 4.1 hrs≥1hr: 85%
The Director's Cut of Strike Suit Zero delivers the definitive version with a graphical overhaul, restructured campaign and more content. Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills will decide Earth's fate.
Why similar: Space 51.9%, Action 19.1%, Sci-fi 17.1%, Simulation 6%, Indie 5.8%
Why You'll Like It: Features fast-paced space combat with a focus on transforming mechs, mirroring the action-heavy intensity of the seed game.
- #17 Sins of a Solar Empire®: Rebellion
86% matchVery Positive93% of 16,284 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: Space 51%, Simulation 25.3%, Sci-fi 23.8%
Why You'll Like It: Focuses on the grand scale of fleet warfare and strategic galactic domination, perfect for those who enjoy the military epic feel.
- #18 Miner Wars 2081
86% matchMostly Negative36% of 391 reviews2012
Dev: Keen Software House
Windows
Median: 36 minMean: 4.5 hrs≥1hr: 39%
Operate an advanced mining ship in a fully destructible and open-world environment!
Why similar: RPG 26%, Space 24%, Simulation 19.4%, Action 16.4%, Indie 7.7%
Why You'll Like It: Features 6-degree-of-freedom combat in space and within asteroids, focusing on the action-oriented survival aspects of the seed.
- #19 Homeworld Remastered Collection
84% matchVery Positive88% of 14,058 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.7 hrsMean: 34.2 hrs≥1hr: 85%
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
Why similar: Space 68.6%, Sci-fi 20.9%, Simulation 8.9%, Action 1.6%
Why You'll Like It: The definitive experience for tactical fleet-based space combat, capturing the epic narrative scale of a galactic war.
- #20 Nexus - The Jupiter Incident
84% matchVery Positive86% of 1,062 reviews2007
Dev: Mithis GamesPub: HandyGames
Windows
Median: 1.9 hrsMean: 12.1 hrs≥1hr: 64%
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Why similar: Space 58.8%, Sci-fi 21.5%, Simulation 16.3%, Indie 3.5%
Why You'll Like It: A tactical space combat game that emphasizes ship-to-ship maneuvering and strategic decision-making during intense battles.
- #21 Space Commander: War and Trade
83% 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: RPG 36.1%, Space 31.2%, Action 20.5%, Sci-fi 10.6%, Indie 1.6%
Why You'll Like It: Provides a balanced mix of trading, combat, and exploration in a space-sim format that is accessible and engaging.
- #22 Drox Operative 2
82% matchVery Positive90% of 285 reviews2021
Dev: Soldak Entertainment
Windows · Linux
Drox Operative 2 is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Linux.
Why similar: RPG 37.8%, Space 23.1%, Action 19.3%, Indie 11.4%, Sci-fi 8.5%
Why You'll Like It: An action-RPG that emphasizes dynamic faction relationships and the impact of the player's choices on a living galaxy.
- #23 Project Freedom
82% matchVery Positive82% of 213 reviews2009
Dev: City InteractivePub: CI Games
Windows
Median: 24 minMean: 6.0 hrs≥1hr: 30%
Get your dream job with a company called Project Freedom. Become a space pilot and serve for the corporation. You're going to get all the excitement and adventure you've ever wanted. Perhaps even more... 21 missions in the campaign Outstanding 3D graphics and special effects Original storyline with unexpected turns and surprises A...
Why similar: Simulation 34.9%, Space 31.3%, Action 24%, Sci-fi 9.8%
Why You'll Like It: A classic arcade-style space combat game that captures the straightforward, mission-based military feel of early 2010s space shooters.
- #24 Ceres
81% matchMixed52% of 157 reviews2015
Dev: Jötunn GamesPub: Iceberg Interactive
Windows · Mac · Linux
Median: 8.6 hrsMean: 9.3 hrs≥1hr: 94%
Take control of a squadron of ships in full 3D space combat. Explore, battle and trade your way through a pirate, machine and monster-infested solar system.
Why similar: Space 32.6%, RPG 21.3%, Action 14.5%, Simulation 13.1%, Sci-fi 11.8%
Why You'll Like It: A strategy-heavy space combat game that focuses on ship customization and tactical positioning in a hostile environment.
- #25 Transcendence
80% matchVery Positive88% of 223 reviews2015
Dev: Kronosaur Productions
Windows
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.
Why similar: Space 47.5%, RPG 18.9%, Sci-fi 16.9%, Action 10.3%, Indie 6.5%
Why You'll Like It: An open-world space RPG that captures the feeling of progression and exploration in a dangerous, evolving galaxy.
- #26 Into the Void
81% matchMixed63% of 136 reviews2015
Dev: Mozg Labs
Windows · Mac · Linux
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 98%
Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles. Travel through space and discover the origin of a cosmic threat which destroyed Earth centuries ago. Fight or cooperate with the different factions; be a leader !
Why similar: Space 64.5%, RPG 27.3%, Indie 8.1%
Why You'll Like It: Combines strategy and exploration with RPG elements, focusing on the survival and growth of a space-faring fleet.
- #27 BossConstructor
79% matchMostly Positive73% of 217 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: Space 30.3%, RPG 24.4%, Simulation 18.5%, Action 12.9%, Indie 7.8%
Why You'll Like It: Allows for deep customization of ships, focusing on the tactical combat and engineering aspects of space warfare.
- #28 Space Reign
73% matchMostly Positive75% of 431 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Space 52.1%, Sci-fi 22.3%, Action 16.3%, Indie 9.3%
- #29 Jumpdrive
79% matchMostly Negative39% of 164 reviews2018
Dev: Meteoric Games
Windows
Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power and upgrade and purchase new ships.
Why similar: Space 46.8%, Simulation 27.5%, Action 15.1%, Indie 10.6%
Why You'll Like It: A space simulation game that emphasizes the freedom of exploration and combat in a vast, procedurally generated universe.
- #30 SpaceBourne
76% matchMostly Positive77% of 807 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 59%
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Why similar: Space 42.4%, RPG 27.3%, Simulation 22.6%, Indie 7.8%
- #31 Drox Operative
77% matchVery Positive90% of 321 reviews2014
Dev: Soldak Entertainment
Windows · Mac · Linux
Median: 4.0 hrsMean: 7.9 hrs≥1hr: 86%
Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Mac.Eons ago the Drox ruled the galaxy through their mighty Operatives. These elite starship captains were trained to accomplish the impossible at whatever cost necessary.
Why similar: Space 42.2%, RPG 23.3%, Sci-fi 14.3%, Action 12.6%, Indie 7.5%
- #32 The Battle of Sol
78% matchMixed57% of 102 reviews2015
Dev: Bit Planet Games, LLC
Windows
Median: 18 minMean: 12.1 hrs≥1hr: 24%
The Battle of Sol is an intense space action game where you participate in epic capital ship battles, thrilling dogfights, space station raids, and much more as you liberate humanity's solar system from enemies determined to bring us to its fiery end.
Why similar: Space 32.2%, Simulation 29.5%, Action 18.1%, Sci-fi 11.4%, Indie 8.8%
- #33 Terra Invicta
69% matchVery Positive81% of 9,264 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.5 hrsMean: 51.9 hrs≥1hr: 80%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: Space 61.2%, Simulation 38.8%
- #34 Masterspace
78% matchMostly Negative28% of 176 reviews2015
Dev: Mastertech
Windows
Masterspace is a game about mining, creating and exploring, featuring fully destructible environments and spaceships that allow you to travel between different planets. Use explosives to mine metal ores or watch your newly constructed home get smashed to pieces by a meteorite impact.
Why similar: RPG 27.8%, Space 25.4%, Simulation 23%, Action 15.9%, Indie 7.9%
Why You'll Like It: Features action-oriented space combat and simulation elements, focusing on the player's ability to survive and thrive in space.
- #35 Event Horizon
75% matchVery Positive82% of 195 reviews2018
Dev: Pavel Zinchenko
Windows · Mac · Linux
Take command of a space fleet and start your galaxy exploration mission.
Why similar: RPG 39.4%, Space 26.4%, Action 21.6%, Indie 12.7%
- #36 Starcom: Unknown Space
70% matchVery Positive93% of 4,302 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.4 hrsMean: 16.9 hrs≥1hr: 83%
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 52.6%, RPG 18.4%, Sci-fi 14.7%, Action 8.4%, Indie 5.8%
- #37 SOL: Exodus
77% matchMixed51% of 109 reviews2012
Dev: Bit Planet Games, LLC
Windows
Median: 30 minMean: 4.3 hrs≥1hr: 31%
Take on the role of the Lieutenant Commander, ace fighter pilot, as you search for a new home, battle a mysterious enemy, and rescue humanity from a fiery end.
Why similar: Simulation 34.6%, Space 28.3%, Action 22.7%, Indie 14.4%
- #38 Void Destroyer
76% matchMixed60% of 351 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.2 hrs≥1hr: 30%
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
Why similar: Space 41.6%, Simulation 25%, Action 14.5%, Sci-fi 13%, Indie 5.9%
- #39 Celestial Command
73% 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 41.9%, Simulation 19.9%, RPG 14.1%, Sci-fi 9.7%, Action 8.9%
- #40 Dangerous
75% matchMostly Negative30% of 50 reviews2014
Dev: Binary HelixPub: XP
Windows · Mac
Dangerous is an epic 3D open and living world space combat RPG sandbox with an immersive and riveting story. Are you the feared war criminal who will destroy all life or the savior of the universe? Gather your wingmen and travel the galaxy in search of answers.
Why similar: Space 28.2%, RPG 26.9%, Simulation 22.3%, Action 13.8%, Indie 8.9%
- #41 Star Ruler
73% matchVery Positive83% of 340 reviews2010
Dev: Blind Mind Studios
Windows
Median: 30 minMean: 6.2 hrs≥1hr: 41%
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Why similar: Space 68.2%, Sci-fi 17.8%, Indie 14%
- #42 Rebel Galaxy
71% 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 54.4%, RPG 15.3%, Sci-fi 14.6%, Simulation 7.3%, Action 5.9%
- #43 Icarus Starship Command Simulator
72% matchVery Positive90% of 52 reviews2017
Dev: Steven Eric Boyette
Windows
In this "starship command simulator" you will fight your way to the center of a randomly generated galaxy where a massive star is about to go supernova and destroy all life. Can you find a way to stop it?
Why similar: Simulation 49.2%, Action 30.9%, Indie 19.8%
- #44 The Tomorrow War
74% matchMixed48% of 125 reviews2014
Dev: CrioLandPub: Fulqrum Publishing
Windows
Median: 3.0 hrsMean: 4.0 hrs≥1hr: 96%
The Tomorrow War is a space sim based on the trilogy of novels written by a famous Russian author, Alexander Zorich. These books are dedicated to the intergalactic war of two mighty empires. Along with the graduates of the military-space academy players will witness different stages of the conflict between United Earth Empire and...
Why similar: Space 44.9%, Simulation 30.7%, Action 17.3%, Sci-fi 7%
- #45 Strike Suit Zero
72% matchMostly Positive77% of 1,667 reviews2013
Dev: Born Ready Games
Windows · Mac · Linux
Median: 1.7 hrsMean: 3.4 hrs≥1hr: 70%
Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.
Why similar: Space 50%, Sci-fi 16.6%, Action 14.4%, Simulation 13%, Indie 6%
- #46 Starlight Inception™
74% matchMostly Negative21% of 62 reviews2014
Dev: Escape Hatch Entertainment, LLC
Windows
Median: 2.6 hrsMean: 3.7 hrs≥1hr: 89%
Travel a hundred years into the future to pilot advanced starfighters through the greatest conflict humankind has ever known. The next generation of space combat is here. . Light up the Sky!
Why similar: Space 42.7%, Simulation 27.9%, Action 19.1%, Indie 10.3%
- #47 Mars: War Logs
71% matchMostly Positive75% of 3,013 reviews2013
Dev: SpidersPub: Focus Entertainment
Windows
Median: 3.5 hrsMean: 7.0 hrs≥1hr: 83%
An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control.
Why similar: RPG 52.5%, Sci-fi 26.5%, Action 21%
- #48 Annihilate The Spance
66% matchVery Positive91% of 345 reviews2025
Dev: Skyglow Softworks
Windows
An RTS base builder with huge battles, constant production, and autonomous ships. The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses.
Why similar: Space 67.2%, Sci-fi 22.1%, Indie 10.7%
- #49 X3: Terran Conflict
71% 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 60.3%, Simulation 21.1%, Sci-fi 13.5%, Action 5%
- #50 HELL GALAXY
66% matchMostly Positive77% of 52 reviews2025
Dev: Italian Games Factory
Windows
Hell Galaxy is the only game where you can experience the fusion of space battles, RPG elements, eerie specters, and daunting titans. Embark on a dark sci-fi odyssey through a galaxy teeming with ancient alien ruins and hidden secrets, where nothing is human. Not even you.
Why similar: Space 41.9%, RPG 35.9%, Action 15.9%, Indie 6.2%
- #51 Battlevoid: Harbinger
70% matchMostly Positive79% of 1,059 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.8 hrsMean: 11.1 hrs≥1hr: 56%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 54.3%, Simulation 20.6%, Action 10.2%, Sci-fi 8.7%, Indie 6.2%
- #52 XOL: Space Mech Wars
63% matchVery Positive92% of 77 reviews2025
Dev: Michigames
Windows
Mech FPS game in all directions of space; follow the story and contribute to the fight for your homeland! Survive the space wars as an up-and-coming soldier with the toughest warriors around!
Why similar: Space 55.9%, Sci-fi 22.2%, Action 17.6%, Indie 4.3%
- #53 INSOMNIA: The Ark
69% matchMixed59% of 1,256 reviews2018
Dev: Mono StudioPub: HeroCraft PC
Windows
Median: 6.2 hrsMean: 12.2 hrs≥1hr: 91%
INSOMNIA is a dieselpunk sci-fi RPG about the slowly degrading remnants of human society attempting to survive on an abandoned space metropolis. Develop your character, explore lovingly handcrafted locations, interact with peculiar NPCs and factions and try to stay alive in this brutal world.
Why similar: RPG 29.5%, Space 29%, Sci-fi 20.8%, Action 13.9%, Indie 6.8%
- #54 Warhammer 40,000: Inquisitor - Prophecy
67% matchMostly Positive80% of 3,047 reviews2019
Dev: NeocoreGames
Windows
Median: 3.2 hrsMean: 9.4 hrs≥1hr: 76%
Foul Tyranids rampaging on barren worlds; the mysterious Aeldari waging war on the Imperium; a prophecy that could change the fate of an entire Sector. Purge the unclean with the new Tech-Adept Inquisitor and carry out the Emperor’s will in the grim Action-RPG “WH40k: Inquisitor - Prophecy”.
Why similar: RPG 39.3%, Sci-fi 26.9%, Action 22.1%, Indie 11.6%
- #55 Angels Fall First
68% matchVery Positive82% of 2,800 reviews2015
Dev: Strangely Interactive Ltd
Windows
Median: 1.7 hrsMean: 5.9 hrs≥1hr: 62%
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!
Why similar: Space 38.3%, Sci-fi 19.5%, Simulation 18.1%, Action 16.1%, Indie 8%
- #56 Infinity: Battlescape
67% 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: Space 44.3%, Simulation 21.7%, Action 14.2%, Sci-fi 11.9%, Indie 7.9%
- #57 Star Hammer: The Vanguard Prophecy
69% matchMostly Positive74% of 160 reviews2015
Dev: Black Lab GamesPub: Slitherine Ltd.
Windows
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 87%
Take command of Naval Strike Group 7 and lead your fleet to victory in full 3D tactical space combat. Star Hammer: The Vanguard Prophecy is a sci-fi strategy saga that will test your skills as both capital assault ship Captain and naval fleet Commander.
Why similar: Space 52.8%, Simulation 32.9%, Sci-fi 14.3%
- #58 Disputed Space
68% matchMixed65% of 99 reviews2017
Dev: ShilohGames
Windows · Mac · Linux
Experience epic space battles while piloting a small, fast fighter ship as part of a fleet that lashes out against enemy factions across stunning procedurally generated star systems in Disputed Space.
Why similar: Space 36.4%, Action 24.8%, Sci-fi 13.9%, Indie 13.8%, Simulation 11.1%
- #59 Shallow Space
70% matchMostly Negative25% of 231 reviews2015
Windows · Mac · Linux
Median: 3.8 hrsMean: 5.0 hrs≥1hr: 95%
Construct your Taskforce and lead your forces to domination in the ultimate Fleet Warfare RTS!
Why similar: Space 39.6%, RPG 24.1%, Simulation 19.8%, Sci-fi 8.9%, Action 7.6%