- #1 Pixel Starships
96% matchMostly Positive73% of 2,914 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.3 hrsMean: 24.8 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Wargame 30.2%, Aliens 22.4%, Base Building 21.3%, Sci-fi 13.4%, Strategy 12.7%
Why You'll Like It: Offers a similar mix of ship management, base building, and tactical combat in a charming, retro-inspired sci-fi universe.
- #2 Galaxy Control: 3D Strategy
97% matchMixed59% of 530 reviews2016
Dev: FX Games Media
Windows · Mac
Median: 1.1 hrsMean: 25.0 hrs≥1hr: 51%
Build your base and battle with other players to control the galaxy! Galaxy Control is an ultimate space combat strategy game with fast-paced combats! Gather minerals and extract uranium, defend your base with laser towers, missile turrets, cannons, walls and mines.
Why similar: Strategy 100%
Why You'll Like It: This game shares the exact same base-building and military combat loop as Galaxy Life with a similar sci-fi aesthetic.
- #3 My Colony
96% matchVery Positive90% of 263 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: City Builder 83.7%, Strategy 16.3%
Why You'll Like It: A deep colony-building experience that focuses on expanding your civilization across space with similar management mechanics.
- #4 Project Entropy
95% matchMixed52% of 220 reviews2024
Dev: FunPlus International AG
Windows
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Why similar: Strategy RPG 20.9%, Aliens 19.7%, Wargame 17.3%, Base Building 12.6%, Strategy 8.1%
Why You'll Like It: A strategy-RPG hybrid that emphasizes base development and alien-themed military conquest.
- #5 Spacebase Startopia
94% matchMixed56% of 648 reviews2021
Dev: Realmforge StudiosPub: Kalypso Media
Windows · Mac · Linux
Median: 3.4 hrsMean: 5.8 hrs≥1hr: 88%
Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.
Why similar: City Builder 30.7%, Base Building 18.9%, Strategy 15.3%, Aliens 14.2%, Sci-fi 9.4%
Why You'll Like It: Combines base management and tactical combat in a colorful, humorous space setting that mirrors the tone of Galaxy Life.
- #6 Nova Empire
94% matchMixed53% of 283 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.9 hrsMean: 12.5 hrs≥1hr: 57%
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Why similar: Military 19.8%, Strategy 18.7%, Base Building 18.6%, Sci-fi 16.6%, PvP 16.5%
Why You'll Like It: Focuses on real-time tactical combat and base expansion within a massive multiplayer space environment.
- #7 Epic Astro Story
92% matchVery Positive87% of 54 reviews2022
Dev: Kairosoft Co.,Ltd
Windows
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
Why similar: City Builder 46.7%, Strategy RPG 43%, Sci-fi 7.9%, Strategy 2.4%
Why You'll Like It: A casual, simulation-heavy take on space colonization that shares the lighthearted charm of the seed game.
- #8 The Spatials: Galactology
93% matchMixed69% of 258 reviews2018
Dev: Weird and Wry
Windows · Mac · Linux
Median: 2.8 hrsMean: 4.7 hrs≥1hr: 77%
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.
Why similar: City Builder 37.4%, Base Building 17.9%, 2.5D 17.5%, Isometric 14.5%, Strategy 7.8%
Why You'll Like It: A dedicated colony-sim that allows for intricate base building and management in a space setting.
- #9 Astro Colony
91% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 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: Base Building 57.5%, Strategy 22.4%, Crafting 20.1%
Why You'll Like It: Focuses on the automation and expansion of space colonies with a clean, modern aesthetic.
- #10 Cosmoteer: Starship Architect & Commander
91% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Sci-fi 60%, Strategy 40%
Why You'll Like It: Provides a robust ship-building system combined with tactical combat that appeals to the military-focused side of Galaxy Life.
- #11 Lazy Galaxy 2
90% matchMostly Positive79% of 192 reviews2022
Dev: Coldwild Games
Windows · Mac · Linux
Median: 10.3 hrsMean: 176.7 hrs≥1hr: 88%
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
Why similar: Base Building 30.1%, Aliens 29.7%, Strategy 18%, Sci-fi 14.8%, Combat 7.5%
Why You'll Like It: Blends idle mechanics with real-time strategy and auto-battling for a low-stress space conquest experience.
- #12 Galactic Civilizations III
89% 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 45.9%, Sci-fi 15.7%, PvP 15.3%, Strategy 14.2%, PvE 8.9%
Why You'll Like It: A 4X strategy game that provides a grander scale of alien diplomacy and military expansion.
- #13 Planetbase
88% matchMostly Positive80% of 10,262 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: City Builder 53.4%, Base Building 25.2%, Strategy 12.2%, Sci-fi 6.9%, Crafting 2.3%
Why You'll Like It: A challenging colony-management game where you must build and defend a base on alien worlds.
- #14 VEGA Conflict
89% matchMixed58% of 4,985 reviews2015
Dev: KIXEYE
Windows · Mac
Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%
Stake your claim, command your fleets, and wage epic war in space.
Why similar: Base Building 28.2%, Strategy 21.3%, PvP 15.7%, Sci-fi 13.9%, Combat 11.5%
Why You'll Like It: A massively multiplayer strategy game that emphasizes real-time fleet combat and base defense.
- #15 Space Haven
86% 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: City Builder 45.9%, Base Building 26.3%, Strategy 14.5%, Sci-fi 13.2%
Why You'll Like It: Offers deep base-building and crew management mechanics with a focus on survival in the vacuum of space.
- #16 Galaxy Reavers
87% matchMixed70% of 204 reviews2016
Dev: Good Games
Windows
This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!
Why similar: Strategy 67.8%, Sci-fi 32.2%
Why You'll Like It: A real-time strategy game that focuses on fleet management and tactical space combat.
- #17 StarMade
86% matchMixed68% of 2,981 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Sci-fi 38%, Crafting 28.6%, Strategy 23.4%, Co-op 10.1%
Why You'll Like It: A sandbox space-building game that allows for massive base and ship construction in a persistent universe.
- #18 Istrolid
85% matchVery Positive87% of 2,684 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.8 hrs≥1hr: 50%
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Why similar: Strategy 64.6%, Sci-fi 28.8%, Crafting 6.6%
Why You'll Like It: A free-to-play strategy game focused on building custom fleets and engaging in tactical space battles.
- #19 Reassembly
84% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Strategy 68.3%, Sci-fi 31.7%
Why You'll Like It: Features modular ship building and tactical combat that captures the creative military spirit of the seed game.
- #20 Second Galaxy
84% matchMixed52% of 1,200 reviews2019
Dev: Zilong Game Limited
Windows
Median: 36 minMean: 9.4 hrs≥1hr: 38%
Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.
Why similar: Strategy 60.4%, Sci-fi 39.6%
Why You'll Like It: An open-world space strategy game that combines RPG elements with large-scale military operations.
- #21 Solaris
82% matchVery Positive81% of 86 reviews2021
Dev: SpacialCircumstances
Windows · Mac · Linux
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Why similar: Strategy 40.5%, Tactical 20.7%, Sci-fi 18.7%, PvP 11.9%, Combat 8.2%
Why You'll Like It: A real-time 4X strategy game that focuses on tactical maneuvering and space empire expansion.
- #22 Operation: New Earth
83% matchMixed61% of 819 reviews2016
Dev: Hunted Cow Games
Windows · Mac
Median: 2.4 hrsMean: 36.1 hrs≥1hr: 63%
Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!
Why similar: Strategy 40.2%, Aliens 28.2%, Tactical 16.1%, Sci-fi 15.4%
Why You'll Like It: A strategy-focused MMO that tasks players with building a base and defending it against global threats.
- #23 Startopia
82% matchVery Positive90% of 962 reviews2013
Dev: My Little Planet Ltd
Windows
Median: 30 minMean: 9.0 hrs≥1hr: 39%
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Why similar: City Builder 31.9%, Aliens 20.5%, Base Building 17.5%, Funny 10.4%, Strategy 10.2%
Why You'll Like It: The classic management game that inspired many modern space-base builders with its humorous tone.
- #24 Pirates of Everseas
81% matchMixed63% of 130 reviews2019
Dev: Moonmana
Windows · Mac
Build a pirate empire & explore the open seas in this exciting strategy game!
Why similar: Pirates 31.8% ★, City Builder 28.7%, Strategy 9.7%, Isometric 9.4%, Cartoony 8%
Why You'll Like It: A strategy-heavy game that shares the base-building and resource management loop of Galaxy Life.
- #25 Star Hunter - Infinite Lagrange
81% matchMixed57% of 1,011 reviews2021
Dev: NetEase Games
Windows
Median: 2.4 hrsMean: 92.7 hrs≥1hr: 61%
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Why similar: Strategy 54.1%, Base Building 45.9%
Why You'll Like It: Focuses on massive multiplayer space strategy, base building, and fleet management.
- #26 Subspace Discovery
79% matchMostly Positive75% of 131 reviews2023
Dev: FLICK Comp GmbH
Windows
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
Why similar: Base Building 21.6%, Sci-fi 18.3%, Tactical 16.2%, Strategy 14.8%, PvE 12.5%
Why You'll Like It: A multiplayer space exploration game that emphasizes base development and PvE combat.
- #27 Andromeda: Rebirth of Humanity
80% matchMixed65% of 116 reviews2021
Dev: Null Reference Games
Windows · Linux
Andromeda is a hybrid between a space 4X and an MMO for Android and PC. Get dropped into an online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players.
Why similar: Strategy 53.9%, Sci-fi 22.6%, PvP 14.5%, PvE 9.1%
Why You'll Like It: A colony-sim that blends space-sim elements with management and economic strategy.
- #28 Shakes and Fidget
77% matchVery Positive92% of 36,821 reviews2016
Dev: Playa Games GmbH
Windows · Mac
Median: 6.0 hrsMean: 225.0 hrs≥1hr: 76%
Shakes & Fidget is a hilarious fantasy role-playing satire and at the same time, an award-winning RPG! Sounds crazy? With over 50 million enthusiastic players, it ranks among the most celebrated online role-playing games worldwide!
Why similar: PvP 28.3%, Strategy 24.7%, Cartoony 17.9%, PvE 16.1%, Funny 13%
- #29 PlanetX
76% matchMixed66% of 50 reviews2025
Dev: Giedrius Talzunas
Windows · Mac
PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.
Why similar: City Builder 52.4%, Strategy 17.5%, Base Building 11.5%, Sci-fi 10.2%, PvP 8.5%
- #30 War Selection
77% matchVery Positive85% of 23,033 reviews2019
Dev: Glyph Worlds
Windows · Linux
Median: 2.5 hrsMean: 27.4 hrs≥1hr: 70%
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
Why similar: Base Building 35.3%, Military 26.9%, Strategy 22.2%, PvP 8.7%, Co-op 3.7%
- #31 Lazy Galaxy
78% matchMostly Positive79% of 204 reviews2018
Dev: Coldwild Games
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.6 hrs≥1hr: 93%
Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!
Why similar: Strategy 42.2%, City Builder 41.9%, Sci-fi 16%
Why You'll Like It: An idle-strategy hybrid that provides a casual, space-themed progression system.
- #32 Stellarcraft
74% matchVery Positive91% of 99 reviews2026
Dev: DreamStudios
Windows
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀
Why similar: Base Building 32.2%, PvP 20.8%, Strategy 20.3%, Sci-fi 14.4%, Co-op 12.2%
- #33 Planets Under Attack
78% matchMostly Positive73% of 1,241 reviews2012
Dev: Targem GamesPub: Topware Interactive
Windows · Mac
Median: 3.3 hrsMean: 10.0 hrs≥1hr: 86%
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
Why similar: Strategy 97.3%, Sci-fi 2.7%
Why You'll Like It: A fast-paced strategy game that focuses on capturing planets and managing military resources.
- #34 Relentless Expanse
73% matchVery Positive90% of 102 reviews2025
Dev: Cowmera Games
Windows
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!
Why similar: Strategy 29.9%, Sci-fi 25.5%, PvP 22.7%, Tactical 18.2%, PvE 3.8%
- #35 Planet S
73% matchVery Positive92% of 2,816 reviews2023
Dev: Glimmerlight Games
Windows · Linux
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Why similar: City Builder 66.1%, Strategy 19.3%, Sci-fi 14.6%
- #36 Hero Zero - Multiplayer RPG
76% matchVery Positive82% of 3,795 reviews2016
Dev: Playata GmbH
Windows
Median: 3.6 hrsMean: 86.1 hrs≥1hr: 66%
Become a hero, build your own Hide-Out and start by saving your neighbourhood. Level up your skills, collect incredibly weird superhero gadgets, and join a superhero team to save the world!
Why similar: Strategy 57.4%, Funny 42.6%
- #37 Build Master: MarsVille
75% matchMixed50% of 290 reviews2023
Dev: FIRST FUN HONG KONG LIMITED
Windows
Build Master: MarsVille is a city-building and strategy game that invites you to create your Martian colony with your engineering genius and building skills. Form alliances, trade resources, and conquer rival colonies. Embrace the challenge and become the ultimate Build Master on Mars!
Why similar: City Builder 34%, Base Building 16.1%, Tactical 11.6%, Cartoony 10.2%, Crafting 9.7%
- #38 Spacebase DF-9
79% matchOverwhelmingly Negative18% of 4,324 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Base Building 38.2%, Sci-fi 21.6%, Strategy 19.9%, City Builder 13.1%, Isometric 7.2%
Why You'll Like It: A space-station management sim that focuses on the daily lives and survival of your colonists.
- #39 Galaxy Idle Clicker
72% matchMostly Positive75% of 1,122 reviews2025
Dev: SoehnlePub: TimeLost Gaming
Windows
Median: 12.1 hrsMean: 333.3 hrs≥1hr: 71%
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Why similar: Sci-fi 100%
- #40 Hades' Star
74% matchMostly Positive73% of 2,643 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 55.7 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Strategy 33.8%, Sci-fi 20.1%, Tactical 18.3%, PvP 13.3%, PvE 7.8%
- #41 Chicken Invaders Universe
71% matchVery Positive91% of 3,731 reviews2022
Dev: InterAction studios
Windows
Median: 54 minMean: 12.6 hrs≥1hr: 47%
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Why similar: Aliens 39.1%, Cartoony 35.6%, Sci-fi 16.8%, Combat 8.5%
- #42 Stellar Settlers: Space Base Builder
70% matchMostly Positive71% of 818 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 76%
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Why similar: City Builder 56.4%, Base Building 28.6%, Strategy 14.9%
- #43 Iron Marines
72% matchMostly Positive78% of 1,831 reviews2019
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 5.1 hrsMean: 11.4 hrs≥1hr: 87%
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
Why similar: Aliens 30.2%, Military 20.3%, Strategy 16.4%, Sci-fi 15.3%, Cartoony 14%
- #44 Battle Nations
73% matchMostly Positive73% of 1,810 reviews2014
Dev: Madrona Games Inc
Windows · Mac · Linux
Median: 1.5 hrsMean: 24.0 hrs≥1hr: 55%
Battle Nations is back! Build your empire and lead your armies to victory! Choose from traditional troops and vehicles or unleash exotic forces like mammoths, velociraptors, sandworms, and futuristic plasma units!
Why similar: City Builder 40.3%, Base Building 20.8%, Strategy 18.3%, Funny 13.3%, Combat 7.3%
- #45 Galaxy Defense War
67% matchVery Positive97% of 144 reviews2025
Dev: Zero Space
Windows
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.
Why similar: Aliens 35.9%, Base Building 32.5%, Strategy 31.6%
- #46 Aven Colony
71% matchMostly Positive72% of 2,731 reviews2017
Dev: Mothership Entertainment LLCPub: Team17 Digital Ltd
Windows
Median: 4.2 hrsMean: 8.2 hrs≥1hr: 90%
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
Why similar: City Builder 57.4%, Base Building 16.1%, Strategy 14.5%, Sci-fi 12%
- #47 Space for Sale
69% matchMixed57% of 165 reviews2025
Dev: Mirage Game Studios
Windows
Space for Sale is an interplanetary, top-down Space Realty management game with a focus on problem-solving and exploration. Played either solo or with a friend, it's up to you to transform wild, uninhabited lands into bustling communities!
Why similar: Aliens 40.2%, Cartoony 24.1%, Strategy 21%, Funny 14.7%
- #48 Iron Marines Invasion
69% matchMixed69% of 350 reviews2023
Dev: Ironhide Game Studio
Windows
Median: 2.1 hrsMean: 5.0 hrs≥1hr: 67%
Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.
Why similar: Military 30%, Tactical 17.2%, Cartoony 15.5%, Sci-fi 12.7%, Strategy 12.6%
- #49 Galaxy Pass Station
68% matchVery Positive87% of 268 reviews2023
Dev: Galactic Workshop
Windows
Median: 2.4 hrsMean: 6.4 hrs≥1hr: 69%
Build a space station for 15 alien races! 👽 Inspect IDs, catch criminals, and manage a chaotic galactic hub. A vibrant mix of colony sim & document-checking action. Can you build the ultimate hotel?
Why similar: Base Building 45.4%, Sci-fi 28.9%, Funny 25.6%
- #50 Idle Expanse
71% matchMixed55% of 149 reviews2020
Dev: Lyrical Games LLC
Windows
A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.
Why similar: Aliens 35.8%, Strategy 21.9%, Cartoony 20.9%, Funny 12.4%, Sci-fi 9%
- #51 Exogate Initiative
67% matchMostly Positive76% of 699 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: City Builder 31.9%, Aliens 20.7%, Base Building 17%, Tactical 12%, Strategy 9.8%
- #52 Galcon 2: Galactic Conquest
70% matchVery Positive83% of 865 reviews2014
Dev: Hassey Enterprises, Inc.
Windows · Mac · Linux
Median: 42 minMean: 6.2 hrs≥1hr: 41%
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Why similar: Strategy 58.6%, Co-op 15.8%, PvP 13.9%, Sci-fi 11.8%
- #53 Once Upon a Galaxy
66% matchVery Positive83% of 614 reviews2025
Dev: Million Dreams Games
Windows · Mac
Median: 6.7 hrsMean: 39.0 hrs≥1hr: 73%
ONCE UPON A GALAXY is an easy to learn Card Battler with incredible strategic depth and near infinite fun! Which of your favorite characters from myth and fairy tale will you choose?
Why similar: Strategy 39.4%, PvP 35.9%, Funny 24.7%
- #54 Farworld Pioneers
70% matchMostly Negative38% of 691 reviews2023
Dev: IgloosoftPub: tinyBuild
Windows
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op. Build and manage colonies on alien planets, and recruit AI survivors with unique personalities and skills. Craft, build, mine, farm, or get your electric death rifle and say hello to your neighbors.
Why similar: Base Building 27.2%, Crafting 16.9%, PvP 16.9%, Sci-fi 15.1%, Co-op 13.2%
- #55 Kao the Kangaroo: Round 2 (2003 re-release)
66% matchVery Positive93% of 7,924 reviews2019
Dev: Tate Multimedia
Windows
Median: 42 minMean: 12.6 hrs≥1hr: 44%
Let’s bring back all the good memories of the incredible, brave and lovely Kao the Kangaroo. Immerse yourself in a classic 3D action-adventure platformer where Kao runs, jumps, and fights lots of enemies.
Why similar: Funny 100%
- #56 Poly Universe
68% matchVery Positive87% of 124 reviews2018
Dev: Pouchmouse
Windows · Mac · Linux
Poly Universe is a survival city-building game in a galaxy where planets are only slightly larger than the colonists who inhabit them.
Why similar: Strategy 100%
- #57 Iron Armada
65% matchMostly Positive77% of 177 reviews2024
Dev: Bluedrake42Pub: Drakeling Labs
Windows
Median: 1.8 hrsMean: 816.3 hrs≥1hr: 54%
Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space and defeat the opposing player faction. Build ships of all shapes and sizes, mine resources, and scavenge parts with friends to conquer the universe!
Why similar: Strategy 100%
- #58 Exocraft
69% matchMixed52% of 361 reviews2019
Dev: GoldFire Studios
Windows · Mac
Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.
Why similar: Base Building 34.7%, Sci-fi 33.4%, Strategy 31.9%
- #59 Planetary Life
62% 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: Funny 100%