- #1 Solar 2
97% matchVery Positive91% of 2,220 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: Space 49.4%, Physics 13.9%, Relaxing 11.2%, Casual 7.7%, Space Sim 6.5%
Why You'll Like It: This is the definitive game for growing from a small asteroid into a massive star system by consuming surrounding matter.
- #2 Osmos
96% matchVery Positive86% of 1,436 reviews2009
Dev: Hemisphere Games
Windows · Mac · Linux
Median: 48 minMean: 2.3 hrs≥1hr: 43%
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
Why similar: Physics 27.6%, Relaxing 20.7%, Casual 15.8%, Space 15.7%, Indie 12.8%
Why You'll Like It: It features a similar physics-based consumption mechanic where you must absorb smaller entities to grow while avoiding larger threats.
- #3 Exo One
96% matchVery Positive90% of 5,212 reviews2021
Dev: ExbleativePub: Future Friends Games
Windows
Median: 1.8 hrsMean: 2.7 hrs≥1hr: 67%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
Why similar: Space 28.7%, Physics 18%, Relaxing 10.8%, Space Sim 9.1%, 3D Platformer 8.9%
Why You'll Like It: It provides a deeply atmospheric and physics-based space exploration experience that feels as relaxing as it is grand.
- #4 Inspiral: Echoes of Gravity
95% matchMostly Positive75% of 65 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: Space 32.6%, Physics 20.9%, Relaxing 12%, Space Sim 10.2%, Strategy 7.5%
Why You'll Like It: This game utilizes gravity and physics-based movement to create a relaxing, space-themed experience.
- #5 Microcosmum: survival of cells
94% matchVery Positive84% of 1,418 reviews2015
Dev: Satur Entertainment
Windows
Median: 3.4 hrsMean: 5.5 hrs≥1hr: 92%
Microcosmum: survival of cells. Join the wonderful and amazing world of microorganisms.
Why similar: Space 40.5%, Relaxing 21%, Strategy 18.1%, Realistic 11%, Casual 9.4%
Why You'll Like It: This strategy game shares the core loop of consuming smaller organisms to evolve and dominate the environment.
- #6 Eufloria HD
94% matchVery Positive88% of 873 reviews2014
Dev: Rudolf Kremers & Alex MayPub: Omni Systems
Windows · Mac · Linux
Median: 1.1 hrsMean: 6.8 hrs≥1hr: 51%
Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.
Why similar: Strategy 42.1%, Relaxing 32.2%, Indie 14.4%, Casual 10.4%, Singleplayer 0.9%
Why You'll Like It: A relaxing, atmospheric strategy game focused on growth, expansion, and managing resources across space.
- #7 SPORE™
93% matchVery Positive93% of 71,929 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: Space 59.4%, Open World 13.7%, Casual 10.9%, Exploration 10%, Adventure 5.9%
Why You'll Like It: It offers the ultimate evolutionary experience, allowing you to grow from a single-celled organism into a galactic civilization.
- #8 Universe Sandbox
92% matchOverwhelmingly Positive96% of 31,636 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.3 hrsMean: 24.1 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: Space 33%, Physics 20.5%, Relaxing 12.2%, Space Sim 11.4%, Open World 6.3%
Why You'll Like It: This simulation focuses on the physics of space, allowing you to manipulate celestial bodies and observe the consequences of cosmic growth.
- #9 Everything
91% matchVery Positive83% of 3,858 reviews2017
Dev: David OReilly
Windows · Mac · Linux
Median: 4.1 hrsMean: 11.8 hrs≥1hr: 79%
Be the Universe in this epic, award-winning reality simulation game - featuring thousands of playable characters, endless exploration, an extraordinary soundtrack and narration from Alan Watts.
Why similar: Relaxing 29.8%, Casual 18%, RPG 13.6%, Open World 13%, Indie 12.5%
Why You'll Like It: This game captures the same sense of cosmic scale and the ability to inhabit and grow as various objects in the universe.
- #10 Starcom: Unknown Space
90% matchVery Positive92% of 4,377 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.5 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 51.5%, Space Sim 13.4%, Open World 8.5%, RPG 8.2%, Exploration 7%
Why You'll Like It: It emphasizes exploration and ship evolution in a vast, mysterious galaxy, mirroring the adventure aspects of the seed game.
- #11 Celestial Command
91% matchMixed62% of 701 reviews2014
Dev: Science Interactive
Windows · 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 57.1%, Strategy 12.2%, RPG 8.7%, Space Sim 8.6%, Indie 5.8%
Why You'll Like It: This space simulation focuses on physics-based ship building and strategy, capturing the technical side of space survival.
- #12 Tasty Planet Forever
89% matchVery Positive88% of 365 reviews2018
Dev: Dingo Games
Windows · Mac
Median: 3.8 hrsMean: 5.5 hrs≥1hr: 78%
Bigger. Better. Tastier.
Why similar: Casual 87.6%, Singleplayer 12.4%
Why You'll Like It: A lighthearted take on the growth mechanic where you play as a creature that devours everything in its path to become larger.
- #13 Starship EVO
88% matchVery Positive84% of 1,485 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 58%
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 55.2%, Physics 11.9%, Space Sim 10.4%, Indie 8.8%, Adventure 7.7%
Why You'll Like It: It offers deep ship-building mechanics that allow you to evolve your craft from a simple vessel into a massive space station.
- #14 RymdResa
89% matchMostly Positive74% of 304 reviews2015
Dev: Morgondag
Windows · Mac · Linux
Median: 4.6 hrsMean: 6.9 hrs≥1hr: 92%
A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!
Why similar: Space 38.1%, RPG 11.3%, Roguelike 11.1%, Relaxing 10.1%, Exploration 6.6%
Why You'll Like It: A poetic and relaxing space exploration game that emphasizes the journey and discovery over intense combat.
- #15 Starcom: Nexus
86% matchVery Positive90% of 2,305 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.5 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 58.2%, RPG 10.4%, Space Sim 9.2%, Exploration 6.2%, Open World 6%
Why You'll Like It: A strong space RPG that focuses on exploration, research, and expanding your ship's capabilities through discovery.
- #16 Between the Stars
86% matchMostly Positive74% of 2,460 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.7 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 44.6%, RPG 11.4%, Space Sim 11.2%, Strategy 10.3%, Indie 5.3%
Why You'll Like It: It blends space combat with RPG decision-making, offering a narrative-driven experience in a dangerous galaxy.
- #17 The Long Journey Home
87% matchMixed59% of 1,929 reviews2017
Dev: Daedalic Studio WestPub: Daedalic Entertainment
Windows · Mac
Median: 3.9 hrsMean: 5.9 hrs≥1hr: 89%
The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?
Why similar: Space 44.7%, Strategy 16.9%, RPG 14.4%, Roguelike 9.1%, Indie 7.3%
Why You'll Like It: This game combines space exploration with RPG elements and physics-based landing, requiring careful management of your resources.
- #18 SPACEPLAN
85% matchVery Positive91% of 3,396 reviews2017
Dev: Jake HollandsPub: Devolver Digital
Windows · Mac
Median: 6.8 hrsMean: 10.9 hrs≥1hr: 93%
SPACEPLAN is an experimental piece of interaction based partly on a total misunderstanding of Stephen Hawking’s A Brief History of Time.
Why similar: Space 60.6%, Casual 18.4%, Indie 12.1%, Adventure 7.3%, Singleplayer 1.7%
Why You'll Like It: An experimental incremental game that uses space-themed growth mechanics to tell a unique narrative.
- #19 Tiny Space Academy
84% matchMixed64% of 55 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space 39.9%, Physics 26.7%, Space Sim 12.9%, Casual 8%, Exploration 5.9%
Why You'll Like It: A physics-based space simulation that makes the complexities of space travel accessible and fun.
- #20 Rebel Galaxy
82% matchVery Positive85% of 8,345 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 62.6%, Space Sim 9.5%, RPG 8%, Open World 7.8%, Adventure 3.8%
Why You'll Like It: It provides a grand sense of scale in space with action-oriented combat and exploration in a vast, procedurally generated universe.
- #21 VoidExpanse
83% matchMostly Positive71% of 765 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.9 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 61.8%, RPG 12.9%, Strategy 10.5%, Open World 8.9%, Indie 5.1%
Why You'll Like It: A space-based RPG that features open-world exploration and ship customization, fitting the adventure themes of the seed game.
- #22 Species: Artificial Life, Real Evolution
82% matchMostly Positive74% of 1,000 reviews2018
Dev: Quasar
Windows · Mac · Linux
Median: 2.3 hrsMean: 8.4 hrs≥1hr: 63%
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Why similar: Relaxing 48%, Strategy 26.7%, Indie 21.3%, Singleplayer 4%
Why You'll Like It: It focuses on the scientific side of evolution, allowing you to observe and influence the development of life forms.
- #23 Orbit HD
84% matchMixed58% of 89 reviews2015
Dev: Brainchild
Windows · Mac · Linux
Median: 2.9 hrsMean: 3.4 hrs≥1hr: 76%
Explore the cosmos as a comet, orbiting planets with a realistic gravity system and a backdrop of procedurally generated nebulae. Learn to use planetary gravity to your advantage, and relax in the ambience of space.
Why similar: Space 34.3%, Physics 22.2%, Relaxing 12.4%, Space Sim 10.3%, Realistic 5%
Why You'll Like It: This game focuses on the relaxing, rhythmic nature of orbital mechanics and physics-based puzzle solving.
- #24 Darwin's Demons
81% matchVery Positive90% of 51 reviews2017
Dev: Polymorphic Games
Windows · Mac · Linux
Darwin’s Demons is an arcade style space shooter in which you battle a population of evolving aliens. The alien’s morphology, fire type, and behaviors are all encoded by a digital genome. The aliens that are best able to shoot or evade you reproduce to make the next generation.
Why similar: Casual 53.4%, Indie 46.6%
Why You'll Like It: A unique shooter that incorporates evolutionary algorithms, forcing you to adapt to enemies that evolve based on your performance.
- #25 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 52.9%, Strategy 19.7%, RPG 10.2%, Adventure 8.2%, Indie 5.1%
Why You'll Like It: This strategy-RPG hybrid focuses on managing a fleet and surviving in a hostile space environment.
- #26 Darkstar One
80% matchVery Positive83% of 618 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space 62.6%, Space Sim 16.7%, RPG 7.6%, Open World 7%, Exploration 5.6%
Why You'll Like It: A classic space-sim that emphasizes exploration and upgrading your ship to survive increasingly difficult cosmic encounters.
- #27 Solar Expanse - Space Exploration Manager
76% matchVery Positive88% of 1,153 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.8 hrsMean: 14.6 hrs≥1hr: 77%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Space 37.8%, Physics 23.4%, Space Sim 11.3%, Strategy 7.9%, Realistic 7.6%
- #28 Evospace
78% matchVery Positive83% of 391 reviews2019
Dev: Quantum Rivet
Windows · Mac
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.
Why similar: Open World 24.7%, Indie 19.3%, Adventure 18.7%, Exploration 15.3%, Realistic 13.9%
Why You'll Like It: A simulation game that focuses on crafting and automation, allowing you to evolve your base and technology over time.
- #29 Infinite Space III: Sea of Stars
79% matchMixed69% of 130 reviews2015
Dev: Digital Eel
Windows · Mac
Median: 3.6 hrsMean: 4.3 hrs≥1hr: 94%
Sea of Stars is a starship roguelike, a sandbox adventure game of interstellar exploration and combat. Travel from star to star, upgrade your ship with new systems and weapons, build up your flotilla with allies and mercenaries, and take on a variety of alien menaces.
Why similar: Space 58.5%, Adventure 22%, Indie 19.5%
Why You'll Like It: A roguelike space exploration game that focuses on discovery and adapting your ship to survive the unknown.
- #30 Starvester
75% matchMostly Positive70% of 734 reviews2026
Dev: Syphono4Pub: Future Friends Games
Windows
Median: 6.7 hrsMean: 11.1 hrs≥1hr: 91%
A short incremental game about expanding a star-system wide factory to build giant megastructures in space. Deploy swarms of drones, mine resources, unlock upgrades and harvest the power of the stars!
Why similar: Space 46.1%, Strategy 20.9%, Relaxing 20.5%, Casual 11.7%, Singleplayer 0.8%
- #31 Microcosmum 2
77% matchMixed61% of 141 reviews2024
Dev: Satur Entertainment
Windows
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
Why similar: Space 20.5%, Strategy 16.4%, RPG 13.5%, Physics 13.3%, Casual 9.7%
- #32 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: Space 58.2%, RPG 17.4%, Open World 10.2%, Indie 8.6%, Roguelike 5%
Why You'll Like It: A free-to-play space RPG that emphasizes exploration and ship-to-ship combat in a vibrant, open-world setting.
- #33 Digger: Galactic Treasures
74% matchVery Positive88% of 697 reviews2025
Dev: RainStyle games
Windows
Median: 4.8 hrsMean: 7.5 hrs≥1hr: 90%
Digger: Galactic Treasures is a space adventure where you drill into asteroids to uncover rare resources and hidden treasures. Explore the galaxy, upgrade your gear, and discover the secrets of the universe!
Why similar: Space 41.6%, Space Sim 26.4%, Casual 11.1%, Adventure 9.2%, 3D 6.6%
- #34 Dangerous
79% 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 34.9%, Strategy 16.8%, RPG 15.2%, Space Sim 10.4%, Indie 8.5%
Why You'll Like It: This indie space-sim offers a mix of RPG progression and strategic combat in a persistent, open universe.
- #35 Dyson Sphere Program
71% matchOverwhelmingly Positive97% of 91,085 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.1 hrsMean: 75.3 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 62.4%, Open World 10%, Strategy 9.2%, Space Sim 9%, Third Person 3.7%
- #36 Void Destroyer
77% matchMixed59% of 352 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.3 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 56.5%, Strategy 22.7%, Space Sim 8.3%, Adventure 6.4%, Indie 6.2%
- #37 Space Trash Scavenger
72% matchVery Positive84% of 521 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.0 hrs≥1hr: 76%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space 54.4%, Space Sim 12.4%, Open World 10.9%, Third Person 7.9%, Exploration 7.1%
- #38 Into the Stars
76% matchMixed41% of 538 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 58%, Strategy 19.4%, Roguelike 8.9%, Indie 7.8%, Adventure 6%
- #39 SpaceBourne
73% matchMostly Positive76% of 812 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 57.4%, RPG 16.8%, Space Sim 13.2%, Indie 8.1%, Exploration 4.5%
- #40 Weird Worlds: Return to Infinite Space
75% matchMixed66% of 621 reviews2013
Dev: Digital Eel
Windows · Mac · Linux
Median: 6 minMean: 1.7 hrs≥1hr: 18%
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
Why similar: Space 25.2%, Strategy 23.4%, Casual 13.8%, Indie 12.4%, Roguelike 12.1%
- #41 I Am a Rock
73% matchVery Positive90% of 52 reviews2022
Dev: PanGuoJun
Windows
A rock's solar system odyssey.
Why similar: Space Sim 17.2%, Casual 13.9%, 3D Platformer 13.9%, Physics 11.5%, Flight 8.1%
- #42 EVERSPACE™ 2
69% matchVery Positive86% of 12,855 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.6 hrsMean: 29.0 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 46.1%, Flight 10.2%, RPG 9.1%, Open World 9.1%, Exploration 7%
- #43 Learn to Fly 3
70% matchVery Positive95% of 11,174 reviews2017
Dev: Light Bringer Games inc.
Windows
Median: 2.2 hrsMean: 7.6 hrs≥1hr: 71%
Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space!
Why similar: Space 28%, Physics 26%, Relaxing 12.3%, Strategy 10.9%, Flight 9%
- #44 Starship Inspector
73% 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 31.1%, Strategy 20.9%, RPG 11.8%, Adventure 9.4%, Indie 9.4%
- #45 Exo One: Prologue
71% matchVery Positive94% of 744 reviews2020
Dev: Exbleative
Windows
Median: 12 minMean: 1.8 hrs≥1hr: 10%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time. This is the prologue for Exo One.
Why similar: Space 28.5%, Physics 19%, Relaxing 14.8%, Flight 11%, Third Person 5.9%
- #46 STAR-BOX: RPG Adventures in Space
74% matchMixed50% of 86 reviews2015
Dev: Michael FlynnPub: FlynnFour Games
Windows
Median: 4.2 hrsMean: 4.9 hrs≥1hr: 98%
STAR-BOX – RPG Adventures in Space!Strap on your gravity boots, power up your laser, and climb aboard your spaceship for a retro-styled, RPG-jaunt into the unknown!Travel an open-world, sandbox universe where you are the architect of your own story.
Why similar: Space 40.5%, RPG 21.8%, Indie 11.5%, Adventure 10.2%, Casual 9.6%
- #47 SpaceBourne 2
68% matchMostly Positive76% of 5,095 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.1 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 32.4%, Space Sim 16.6%, Flight 12.3%, RPG 12.2%, Open World 8.1%
- #48 Astro Colony
67% matchVery Positive81% of 2,654 reviews2026
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Space 48.9%, Strategy 12.1%, Space Sim 11.6%, Open World 6.7%, Casual 6.4%
- #49 Battlevoid: Harbinger
71% 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 59.7%, Strategy 19.2%, Roguelike 12.4%, Indie 5.3%, Open World 2.9%
- #50 Void Destroyer 2
70% matchVery Positive80% of 672 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 15.3 hrs≥1hr: 74%
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 39.4%, Space Sim 17.7%, Strategy 13.2%, Flight 9.9%, Open World 9.6%
- #51 The Sentient
72% matchMostly Negative39% of 83 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 38.8%, Strategy 20.4%, RPG 17%, Space Sim 13.9%, Indie 9.9%
- #52 How To Grow a Black Hole
66% matchMostly Positive71% of 463 reviews2026
Dev: Desolation Digital
Windows
Median: 2.9 hrsMean: 9.0 hrs≥1hr: 71%
How To Grow a Black Hole is about... well... how to grow a black hole. Manage your black hole, feed it to gain mass, and prevent catastrophic collapses. Compete globally or against your friends to achieve the biggest black hole. Maybe you'll be #1.
Why similar: Space 44.1%, Physics 20.4%, Casual 18.6%, Realistic 11.6%, Indie 4.4%
- #53 Entropy
67% matchVery Positive94% of 198 reviews2022
Dev: Chromatic WindowPub: Juggernaut Entertainment
Windows · Mac
Fly between incomprehensible galaxies in this experimental micro game!
Why similar: Space 42.5%, 3D Platformer 15.8%, Relaxing 13.5%, Surreal 10%, Casual 6.3%
- #54 VOYAGER
67% matchVery Positive95% of 167 reviews2023
Dev: Planetary Gears
Windows · Linux
Come with us now on a journey through music and space... To the world of VOYAGER ◯∘ A minimalist, relaxing & atmospheric experience to chill out to for a while…
Why similar: Space 35.3%, Physics 21.3%, Space Sim 14%, Relaxing 13.3%, Casual 5.8%
- #55 Orbitmine
64% matchVery Positive82% of 441 reviews2026
Dev: vibemaker1
Windows
Median: 2.8 hrsMean: 3.0 hrs≥1hr: 88%
Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.
Why similar: Space 55.5%, Strategy 14.9%, Casual 9.6%, Relaxing 8.4%, Exploration 6.5%
- #56 Star Valor
65% matchVery Positive89% of 3,391 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 79%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 44.7%, Relaxing 14.8%, RPG 11.6%, Space Sim 9%, Open World 8.6%
- #57 Space Rangers HD: A War Apart
66% matchVery Positive94% of 7,226 reviews2013
Dev: SNK GamesPub: Fulqrum Publishing
Windows
Median: 4.0 hrsMean: 27.8 hrs≥1hr: 89%
Space adventure, open world RPG, strategy, arcade, quest and more!
Why similar: Space 62.7%, Strategy 13.3%, RPG 13.3%, Open World 5.3%, Adventure 5%
- #58 Star Survivor
66% matchMixed68% of 560 reviews2024
Dev: SpaceOwl Games
Windows
Median: 3.1 hrsMean: 6.2 hrs≥1hr: 76%
Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?
Why similar: Space 38.5%, Physics 27.7%, Space Sim 12.1%, Roguelike 10.8%, Casual 9.6%
- #59 Habitat
70% matchMostly Negative40% of 261 reviews2016
Dev: 4gencyPub: Versus Evil
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 85%
Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.
Why similar: Space 56.6%, Strategy 18.7%, Physics 13.9%, Indie 7.9%, Adventure 2.9%
- #60 Star Trucker
64% matchMostly Positive79% of 5,221 reviews2024
Dev: Monster and MonsterPub: Raw Fury
Windows
Median: 3.3 hrsMean: 10.6 hrs≥1hr: 79%
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
Why similar: Space 31.9%, Physics 21.8%, Relaxing 12.9%, Space Sim 12.5%, Open World 6.7%