- #1 Stellaris
97% matchVery Positive86% of 191,915 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.5 hrsMean: 142.4 hrs≥1hr: 89%
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
Why similar: Space 37.7%, Sci-fi 25.1%, Strategy 14.2%, Procedural Generation 11%, Simulation 7.4%
Why You'll Like It: It offers a grand-scale space experience where narrative events and political choices significantly shape the evolution of your galactic empire.
- #2 Terra Invicta
96% matchVery Positive81% of 9,023 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.5 hrsMean: 51.4 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: Strategy 55.7%, Simulation 33.7%, Singleplayer 10.6%
Why You'll Like It: It provides a complex, long-term geopolitical simulation that forces players to make difficult choices about the future of humanity in the face of extraterrestrial contact.
- #3 Star Dynasties
96% matchMostly Positive73% of 492 reviews2021
Dev: Pawley GamesPub: Iceberg Interactive
Windows
Median: 2.8 hrsMean: 7.7 hrs≥1hr: 73%
Take the reins of a feudal dynasty in a divided galaxy following the destruction of earth. Star Dynasties is a turn based, procedurally generated narrative of human drama and personal politics, mixed with a light empire management layer. Your choices. Your legacy.
Why similar: Political 34.9% ★, Procedural Generation 14%, Sci-fi 13.5%, Space 12.6%, Choices Matter 12.4%
Why You'll Like It: This game focuses heavily on the interpersonal and political drama of a space-faring society, mirroring the choice-driven nature of The Fermi Paradox.
- #4 The Universim
95% matchVery Positive80% of 10,483 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 33.9 hrs≥1hr: 89%
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Why similar: God Game 46.9% ★, Aliens 11.6%, Space 10.2%, Procedural Generation 9.3%, Resource Management 7.9%
Why You'll Like It: This god-game allows you to oversee the development of a civilization from the Stone Age to the Space Age, emphasizing the consequences of your divine influence.
- #5 SPORE™
94% matchVery Positive93% of 70,545 reviews2008
Dev: Maxis™Pub: Electronic Arts
Windows
Median: 5.1 hrsMean: 19.3 hrs≥1hr: 86%
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
Why similar: God Game 47.1% ★, Aliens 16.8%, Space 14.2%, Resource Management 9.8%, Sci-fi 8.2%
Why You'll Like It: It allows you to guide a species through the ages, from single-celled organisms to space-faring civilizations, capturing the evolutionary scope of the seed game.
- #6 The Last Federation
94% matchMostly Positive75% of 502 reviews2014
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.5 hrsMean: 5.1 hrs≥1hr: 90%
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
Why similar: Space 34.4%, Strategy 21.5%, Sci-fi 15.9%, Aliens 11.3%, Simulation 8.7%
Why You'll Like It: This title excels at simulating complex diplomatic relationships and choices that influence the fate of multiple alien species.
- #7 WorldBox - God Simulator
93% matchOverwhelmingly Positive95% of 52,884 reviews2021
Dev: Maxim Karpenko
Windows · Mac · Linux
Median: 9.1 hrsMean: 28.7 hrs≥1hr: 92%
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
Why similar: God Game 80.9% ★, Procedural Generation 10.6%, Simulation 6%, Indie 2.5%
Why You'll Like It: This sandbox god-game lets you influence the rise and fall of civilizations, focusing on the macro-level impact of your divine interventions.
- #8 Fata Deum - The God Sim
92% matchMixed60% of 450 reviews2025
Dev: 42 Bits EntertainmentPub: Aerosoft GmbH
Windows
Inspired by the god games of old, Fata Deum lets you mold settlements and townsfolk in your image. Will you raise the settlements to splendor, or spur them on to violent debauchery and demons? Watch as a living world grows under your whims.
Why similar: God Game 53.5% ★, Choices Matter 16.8%, Resource Management 16.3%, Strategy 7.5%, Simulation 4.7%
Why You'll Like It: It focuses on the player's ability to influence mortal populations through choices that define their path toward good or evil.
- #9 Reus
91% matchMostly Positive78% of 5,900 reviews2013
Dev: Abbey Games
Windows · Mac · Linux
Median: 2.3 hrsMean: 5.6 hrs≥1hr: 83%
In Reus, you control powerful giants to shape the planet to your will. You can create mountains, oceans, forests and more. Enrich your planet with plants, minerals and animal life. There is only one thing on the planet that you do not control: mankind, with all their virtues and and all their vices.
Why similar: God Game 74.4% ★, Strategy 9.2%, Resource Management 5.5%, Indie 3.8%, Simulation 3.7%
Why You'll Like It: As a god-game, it tasks you with shaping the environment to influence the development and behavior of the civilizations living on your planet.
- #10 Distant Worlds 2
91% matchMostly Positive71% of 3,478 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 9.3 hrsMean: 42.6 hrs≥1hr: 75%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: Space 27.2%, Sci-fi 22.9%, Strategy 20.6%, Procedural Generation 16.1%, Simulation 11.4%
Why You'll Like It: This grand-scale space simulation offers unparalleled depth in managing the complex interactions of a living, breathing galaxy.
- #11 The Pegasus Expedition
90% matchMixed63% of 382 reviews2023
Dev: Kalla GameworksPub: Fulqrum Publishing
Windows
Median: 3.7 hrsMean: 5.8 hrs≥1hr: 93%
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Why similar: Aliens 26.6%, Space 18.2%, Choices Matter 15.3%, Sci-fi 14.7%, Strategy 8.2%
Why You'll Like It: It is a narrative-driven 4X game that prioritizes the story of humanity's survival in a new galaxy over pure combat mechanics.
- #12 A Long Journey to an Uncertain End
89% matchMostly Positive75% of 57 reviews2023
Dev: Crispy Creative
Windows
Explore the known and unknown galaxy with a ragtag crew of eclectic new friends in this narrative management space opera. You are a sentient spaceship, an outlawed commodity, and there's an entire galaxy between you and freedom…not to mention your abusive ex on your tail.
Why similar: Space Sim 24.2% ★, Resource Management 12.3%, Interactive Fiction 11.3%, Choose Your Own Adventure 9.9%, Space 9.1%
Why You'll Like It: This narrative-heavy game focuses on the personal and political choices of a crew navigating a complex sci-fi universe.
- #13 ENDLESS™ Space 2
89% matchVery Positive83% of 22,789 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 25.9 hrs≥1hr: 87%
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Why similar: Strategy 81.2%, Space 12.6%, Sci-fi 5.6%, Atmospheric 0.3%, Singleplayer 0.2%
Why You'll Like It: This 4X strategy game is renowned for its strong narrative focus and unique faction-specific stories that feel like interactive sci-fi fiction.
- #14 Planetary Life
87% matchOverwhelmingly Positive95% of 743 reviews2025
Dev: Sotenbox
Windows
Median: 3.5 hrsMean: 7.9 hrs≥1hr: 86%
Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!
Why similar: God Game 56.8% ★, Procedural Generation 14.9%, Resource Management 12.4%, Space 8.7%, Simulation 4.8%
Why You'll Like It: A god-game that emphasizes the simulation of life and the development of planetary civilizations over time.
- #15 Stardeus
88% 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: God Game 26.6% ★, Space Sim 23% ★, Resource Management 11.3%, Space 11.1%, Sci-fi 8.8%
Why You'll Like It: A colony-sim that incorporates narrative-driven events and survival mechanics in a vast, unpredictable space setting.
- #16 Lightracer Spark
86% matchVery Positive84% of 988 reviews2023
Dev: Smartmelon Games
Windows
Lightracer Spark is a Sci-Fi Narrative game. You are an amender from a high civilization, descending to various extraterrestrial worlds. Guide living beings to prosperity, or nip a spark in the bud. Accumulate strength through choices and strategies to grasp the rise and fall of all civilizations.
Why similar: Space Sim 28.2% ★, Interactive Fiction 14.1%, Space 13.8%, Aliens 13%, Sci-fi 11.7%
Why You'll Like It: This visual novel-inspired RPG focuses on the dramatic and narrative aspects of space exploration and political intrigue.
- #17 Crusader Kings III
86% matchVery Positive91% of 137,655 reviews2020
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 28.8 hrsMean: 143.8 hrs≥1hr: 94%
Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages.
Why similar: Political 49.6% ★, Strategy 20.6%, Choices Matter 18.7%, Simulation 9.1%, Singleplayer 2%
Why You'll Like It: While set in history, its deep focus on dynasty management and emergent narrative storytelling makes it a perfect fit for fans of choice-heavy strategy.
- #18 Caves of Qud
82% matchOverwhelmingly Positive95% of 12,086 reviews2024
Dev: Freehold GamesPub: Kitfox Games
Windows · Mac · Linux
Median: 4.5 hrsMean: 34.8 hrs≥1hr: 73%
Inhabit a deeply-simulated science fantasy world and chisel through layers of thousand-year-old civilizations. Build a character from over a hundred mutations and cybernetics. The award-winning sandbox roguelike & RPG full of robots, deep lore, and sentient plants.
Why similar: Procedural Generation 39.2%, Sci-fi 23.1%, Choices Matter 19.9%, Story Rich 9.2%, Atmospheric 6.4%
Why You'll Like It: This game features an incredibly deep, emergent history and world-building that rewards players for exploring the consequences of their actions.
- #19 Pax Nova
85% matchMixed57% of 447 reviews2020
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.4 hrsMean: 6.5 hrs≥1hr: 88%
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Why similar: Space 23.4%, Sci-fi 21.1%, Procedural Generation 18.6%, Choices Matter 17.7%, Strategy 13.7%
Why You'll Like It: It offers a blend of 4X strategy and exploration that allows players to shape the destiny of their chosen species.
- #20 Trappist
83% matchVery Positive90% of 72 reviews2024
Dev: Sirrah
Windows · Mac · Linux
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: God Game 31.5% ★, Space Sim 25.5% ★, Aliens 11.8%, Space 9.5%, Resource Management 9.5%
Why You'll Like It: A colony-sim that emphasizes the god-like management of a planet's resources and the development of its inhabitants.
- #21 Interstellar Space: Genesis
84% matchVery Positive84% of 818 reviews2019
Dev: Praxis Games
Windows
Median: 1.3 hrsMean: 11.7 hrs≥1hr: 54%
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Why similar: Space 29.9%, Sci-fi 25.1%, Procedural Generation 20.7%, Strategy 15.2%, Indie 6.5%
Why You'll Like It: A 4X game that incorporates narrative events and exploration to make the galaxy feel alive and reactive to your choices.
- #22 Galimulator
82% matchVery Positive91% of 497 reviews2018
Dev: Snoddasmannen
Windows · Mac · Linux
Median: 1.6 hrsMean: 9.8 hrs≥1hr: 68%
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
Why similar: God Game 67.9% ★, Simulation 21.5%, Strategy 10.7%
Why You'll Like It: This sandbox simulation allows you to watch the rise and fall of empires across a galaxy, focusing on the macro-scale of history.
- #23 The Sentient
84% matchMostly Negative39% of 82 reviews2016
Dev: Uncaged Studios
Windows
Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.
Why similar: Space Sim 47.2% ★, Space 20.6%, Strategy 15.4%, Simulation 9.5%, Indie 7.3%
Why You'll Like It: This simulation game focuses on the management of a crew and their interactions, emphasizing the human element in a sci-fi setting.
- #24 Galactic Civilizations IV
81% matchMostly Positive73% of 2,388 reviews2023
Dev: Stardock Entertainment
Windows
Median: 5.1 hrsMean: 21.9 hrs≥1hr: 85%
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Why similar: Space 37.1%, Sci-fi 28.2%, Strategy 15.5%, Simulation 10%, Atmospheric 6.3%
Why You'll Like It: This 4X title features a heavy emphasis on political ideology and diplomatic choices that define the nature of your space-faring civilization.
- #25 Star Trek: Voyager - Across the Unknown
79% matchMostly Positive80% of 3,623 reviews2026
Dev: GamexcitePub: Daedalic Entertainment
Windows
Median: 6.5 hrsMean: 15.8 hrs≥1hr: 88%
Star Trek: Voyager - Across the Unknown is a story-driven survival strategy game in which the fate of the iconic starship is in your hands. Take the helm, manage the ship and resources, and make difficult decisions. Will you be able to bring home the ship and its crew?
Why similar: Space Sim 31.2% ★, Interactive Fiction 15%, Aliens 14.7%, Choose Your Own Adventure 9.1%, Strategy 8.8%
- #26 Songs of Syx
80% matchOverwhelmingly Positive95% of 7,777 reviews2020
Dev: Gamatron AB
Windows · Mac · Linux
Median: 14.9 hrsMean: 41.2 hrs≥1hr: 85%
Songs of Syx is a fantasy city-builder with vast battles simulating thousands of citizens and soldiers. Start off as a small village and build, scheme, and fight your way towards a mighty empire. The mechanics are deep and true to life, where tiny events can spiral into the collapse of kingdoms.
Why similar: Strategy 56.7%, Simulation 31.4%, Singleplayer 11.9%
Why You'll Like It: It allows for the management of massive populations, focusing on the societal and political consequences of your leadership decisions.
- #27 Starship Inspector
81% matchMixed61% of 51 reviews2021
Dev: Vedanta Team
Windows
Starship Inspector is a Space Roguelike in which every choice you make matters. Save a galaxy or rescue your crew member? Serve an evil empire or help an ancient tribe? You'll constantly have to make hard decisions and deal with consequences.
Why similar: Space Sim 21.5% ★, Space 13.7%, Strategy 13.1%, Sci-fi 11.3%, Procedural Generation 9.2%
Why You'll Like It: It combines strategy and narrative choices to simulate the life and death decisions required to keep a ship and its crew alive.
- #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 37.4% ★, Resource Management 16.5%, Space 16.4%, Sci-fi 13%, Strategy 7.9%
- #29 CyberHive
79% matchMostly Positive77% of 77 reviews2020
Dev: Blazing Planet Studio
Windows · Mac · Linux
CyberHive is a strategic space travel simulator with a non-linear story, in the cosmic opera setting, and in an anime visual style.
Why similar: Space Sim 33.2% ★, Choose Your Own Adventure 14.4%, Space 13.6%, Choices Matter 10.8%, Sci-fi 9.4%
Why You'll Like It: A management-heavy game that uses choose-your-own-adventure elements to drive the narrative of survival in space.
- #30 Inspiral: Echoes of Gravity
77% matchMostly Positive80% of 54 reviews2025
Dev: PcZ Games
Windows · Mac
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
Why similar: God Game 30.2% ★, Space Sim 28% ★, Space 13.5%, Procedural Generation 7.7%, Sci-fi 7.7%
- #31 Universe Sandbox
76% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: God Game 36.9% ★, Space Sim 22.8% ★, Space 22.2%, Sci-fi 7.1%, Simulation 5.8%
- #32 Star Ruler
78% 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 41.6%, Strategy 29.4%, Sci-fi 19%, Indie 9.1%, Singleplayer 0.9%
- #33 ENDLESS™ Space - Definitive Edition
77% matchVery Positive81% of 9,559 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.6 hrsMean: 13.3 hrs≥1hr: 87%
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
Why similar: Space 35.3%, Strategy 29.1%, Sci-fi 21.9%, Aliens 8.5%, Indie 2.2%
- #34 Mars Horizon
75% matchVery Positive84% of 3,058 reviews2020
Dev: Auroch Digital
Windows · Mac
Median: 5.3 hrsMean: 9.3 hrs≥1hr: 93%
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Why similar: Space Sim 40.7% ★, Space 18.2%, Choices Matter 14.2%, Resource Management 13.7%, Strategy 8%
- #35 Galactic Civilizations III
75% matchMostly Positive77% of 10,370 reviews2015
Dev: Stardock Entertainment
Windows
Median: 4.6 hrsMean: 17.4 hrs≥1hr: 88%
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Why similar: Aliens 39.1%, Space 17.5%, Sci-fi 17.4%, Procedural Generation 17.2%, Strategy 8.7%
- #36 Odd Realm
73% matchVery Positive85% of 992 reviews2024
Dev: Unknown Origin Games Inc
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 56%
Forge a new kingdom in a land recovering from the Fracture. Which of the surviving races will you lead to rebuild, explore, and conquer the unknown? The dwindling yet immortal Ancients? The bold and resourceful Humans? The life stealing Ardyn? Or the secretive Gwdir who shape living groves?
Why similar: God Game 52.2% ★, Procedural Generation 18.4%, Strategy 9.2%, Simulation 6%, Atmospheric 4.4%
- #37 Terraformers
72% matchVery Positive88% of 3,606 reviews2023
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.6 hrs≥1hr: 87%
Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one!
Why similar: Procedural Generation 19.7%, Resource Management 18.2%, Space 17.6%, Choices Matter 16.1%, Sci-fi 14.8%
- #38 IFO
74% matchVery Positive86% of 103 reviews2022
Dev: Lucas Le Slo
Windows · Mac
A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.
Why similar: Aliens 34.7%, Space Sim 19.5% ★, Sci-fi 13.3%, Space 12.4%, Strategy 7.4%
- #39 Predestination
76% matchMixed45% of 86 reviews2019
Dev: Brain and Nerd Ltd
Windows
Predestination is a turn-based sci-fi 4X game set in the distant past of our own galaxy. Ships from countless races are flung back in time by a powerful hostile race known as the Revenants, and must now work to rebuild their empires and somehow stop the Revenants in the past.
Why similar: Space 37.4%, Strategy 29.6%, Sci-fi 20.6%, Indie 12.3%
- #40 Celestial Empire
71% matchVery Positive89% of 615 reviews2025
Dev: President StudioPub: PlayWay S.A.
Windows
Median: 3.5 hrsMean: 9.0 hrs≥1hr: 65%
Forge an empire under the watchful eyes of the gods! Take care of your people, develop efficient production chains and trade with other landlords. Ensure their survival through harsh winters and disasters.
Why similar: Political 37% ★, Choose Your Own Adventure 16.7%, Resource Management 14.9%, Choices Matter 12.5%, Strategy 7.9%
- #41 NEBULOUS: Fleet Command
72% matchVery Positive81% of 3,819 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 4.9 hrsMean: 30.4 hrs≥1hr: 77%
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Why similar: Strategy 55.8%, Simulation 32.7%, Singleplayer 11.5%
- #42 Fantasy Map Simulator
70% matchVery Positive89% of 3,843 reviews2024
Dev: The Stranger
Windows
Median: 1.7 hrsMean: 8.6 hrs≥1hr: 60%
Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations and their politics, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.
Why similar: God Game 83.7% ★, Strategy 7.1%, Simulation 3.9%, 2D 3.8%, Indie 1.5%
- #43 Sid Meier's Civilization®: Beyond Earth™
73% matchMixed60% of 22,976 reviews2014
Dev: Firaxis GamesPub: 2K
Windows · Mac · Linux
Median: 7.9 hrsMean: 29.6 hrs≥1hr: 92%
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
Why similar: Sci-fi 25.7%, Aliens 25.4%, Space 24.4%, Strategy 18.9%, Atmospheric 2%
- #44 Unending Galaxy
74% matchMixed62% of 124 reviews2016
Dev: Anarkis Gaming
Windows
Median: 3.3 hrsMean: 3.6 hrs≥1hr: 91%
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Why similar: Space Sim 31.7% ★, Space 20%, Strategy 16.6%, Simulation 10%, Sci-fi 9.6%
- #45 Heart of the Machine
68% matchVery Positive93% of 1,838 reviews2026
Dev: Arcen GamesPub: Hooded Horse
Windows · Mac
Median: 4.2 hrsMean: 17.3 hrs≥1hr: 73%
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
Why similar: Resource Management 54.4%, Strategy 25.2%, Simulation 15.4%, Singleplayer 5%
- #46 FTL: Faster Than Light
71% matchOverwhelmingly Positive95% of 77,568 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 33.7 hrs≥1hr: 89%
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Why similar: Space 23.7%, Space Sim 23.5% ★, Sci-fi 15.4%, Procedural Generation 9.4%, Choose Your Own Adventure 9.2%
- #47 Crest - an indirect god sim
73% matchMixed65% of 373 reviews2018
Dev: Eat Create Sleep
Windows · Mac · Linux
Median: 2.6 hrsMean: 4.4 hrs≥1hr: 76%
Your word is gospel in this god sim set in Sub-Saharan Africa. Influence and try to control your followers using commandments but beware, free will leaves these open to interpretation. Will you create a flourishing civilization or lead them to death and destruction?
Why similar: God Game 53.5% ★, Resource Management 13.3%, Procedural Generation 12.5%, Strategy 7.4%, Simulation 4.7%
- #48 Galactic Ruler
71% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.4 hrsMean: 7.1 hrs≥1hr: 96%
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Why similar: Space Sim 31.4% ★, Aliens 22.5%, Space 13.8%, Procedural Generation 13.7%, Sci-fi 9.7%
- #49 Solar 2
70% matchVery Positive91% of 2,205 reviews2011
Dev: Murudai
Windows · Mac · Linux
Median: 2.0 hrsMean: 4.3 hrs≥1hr: 71%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: God Game 26.6% ★, Space 24.5%, Space Sim 20.4% ★, Sci-fi 7.1%, Procedural Generation 7.1%
- #50 Solar Nations 2
67% matchVery Positive90% of 71 reviews2025
Dev: Flomgus Games
Windows
In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!
Why similar: Space 41.2%, Sci-fi 33.3%, Strategy 19%, Simulation 6.5%
- #51 Star Trek: Infinite
69% matchMixed42% of 3,468 reviews2023
Dev: Nimble Giant EntertainmentPub: Paradox Interactive
Windows · Mac
Median: 5.3 hrsMean: 19.2 hrs≥1hr: 79%
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Why similar: Space Sim 45.8% ★, Space 25.7%, Choices Matter 12.8%, Strategy 7.8%, Story Rich 4.4%
- #52 Lord of Rigel
68% matchMixed70% of 102 reviews2024
Dev: Rhombus Studios
Windows
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
Why similar: Space Sim 29.1% ★, Political 25.8% ★, Space 14%, Sci-fi 10.9%, Procedural Generation 9.2%
- #53 Adaptory
66% matchVery Positive84% of 91 reviews2026
Dev: Stormcloak GamesPub: indie.io
Windows · Mac
Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed. Master complex simulations to keep your outspoken explorers alive, face unpredictable challenges, and figure out a way back home.
Why similar: Resource Management 25.7%, Procedural Generation 24.5%, Sci-fi 17.2%, Story Rich 10.6%, Simulation 8.4%
- #54 Starmancer
69% matchMixed64% of 1,024 reviews2021
Dev: Ominux GamesPub: Chucklefish
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.7 hrs≥1hr: 65%
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Why similar: Space 26.4%, Sci-fi 22.8%, Space Sim 17.9% ★, Strategy 11.1%, Atmospheric 7.8%
- #55 Orbi Universo II
67% matchVery Positive82% of 71 reviews2025
Dev: Orbi Universo Team
Windows · Linux
Guide your very own civilization's destiny in this abstract strategy sim. Master a complex node system, overcome unique challenges, and evolve your society from humble beginnings to the mastery of the atom. Can your civilization *really* withstand the test of time?
Why similar: Strategy 47.9%, Simulation 25.5%, Indie 11.4%, 2D 9.1%, Singleplayer 6.1%
- #56 Dyson Sphere Program
65% matchOverwhelmingly Positive98% of 90,027 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.2 hrsMean: 75.2 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Space 26.7%, Space Sim 24.6% ★, Resource Management 21.4%, Sci-fi 14.4%, Strategy 5.6%
- #57 Horizon
70% matchMixed59% of 477 reviews2014
Dev: L3O Interactive
Windows
Median: 2.0 hrsMean: 5.0 hrs≥1hr: 92%
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Why similar: Space 33%, Sci-fi 25.7%, Strategy 15.7%, Procedural Generation 10.6%, Simulation 8.8%
- #58 Gods and Idols
69% matchMixed70% of 754 reviews2016
Dev: JatteGames
Windows
Median: 1.0 hrsMean: 14.4 hrs≥1hr: 48%
Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
Why similar: God Game 53.8% ★, Space 16.6%, Sci-fi 13.9%, Strategy 7.6%, Simulation 4.7%
- #59 Millennia
66% matchMixed67% of 3,746 reviews2024
Dev: C Prompt GamesPub: Paradox Interactive
Windows
Median: 14.3 hrsMean: 34.4 hrs≥1hr: 86%
Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.
Why similar: Political 67.2% ★, Strategy 19.2%, Simulation 10.4%, Singleplayer 3.2%
- #60 TFM: The First Men
67% matchMixed62% of 406 reviews2022
Dev: Gathering Tree
Windows
An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?
Why similar: Procedural Generation 32.7%, Resource Management 30.6%, Strategy 17.3%, Simulation 10.3%, 2D 9.1%