- #1 Star Command Galaxies
97% matchMixed42% of 515 reviews2024
Dev: Warballoon
Windows · Mac
Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.
Why similar: Space Sim 27.2%, Real Time Tactics 14.6%, RTS 13.4%, Strategy 8%, Sci-fi 8%
- #2 Space Reign
96% matchMostly Positive74% of 453 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 Sim 32.7%, Real Time Tactics 16.4%, Space 10%, RTS 9.7%, Sci-fi 7.7%
- #3 Voidship: The Long Journey
96% matchMostly Positive74% of 148 reviews2019
Dev: Cydonian Games
Windows
Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!
Why similar: Strategy 19.4%, Simulation 19.2%, Real-Time with Pause 19% ★, Space 13.9%, Sci-fi 12.1%
- #4 Carrier Command 2
95% matchVery Positive82% of 3,716 reviews2021
Dev: GeometaPub: MicroProse Software
Windows · Mac
Median: 9.4 hrsMean: 15.6 hrs≥1hr: 92%
Carrier Command 2 is the real-time strategy game that puts you in command of a futuristic carrier capable of deploying a vast array of aircraft and amphibious units. Compete against AI or human players and hop into every single vehicle to take matters into your own hands!
Why similar: Real Time Tactics 18.8%, RTS 15.9%, War 15%, Military 14.3%, Simulation 11.5%
- #5 Cosmoteer: Starship Architect & Commander
94% matchVery Positive94% of 12,715 reviews2022
Dev: Walternate Realities
Windows
Median: 19.5 hrsMean: 41.2 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: Space Sim 27.6%, Real-Time with Pause 22.4% ★, Sci-fi 12.2%, Space 10.5%, Strategy 8%
- #6 FTL: Faster Than Light
94% matchOverwhelmingly Positive95% of 78,209 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 34.0 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: Real-Time with Pause 20.6% ★, Space Sim 19.5%, Space 16.7%, Strategy 11.3%, Sci-fi 11.1%
- #7 Ancient Space
93% matchMixed44% of 368 reviews2014
Dev: CreativeForge GamesPub: Paradox Interactive
Windows · Mac
Median: 4.4 hrsMean: 5.1 hrs≥1hr: 89%
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.
Why similar: Strategy 25.2%, RTS 24.5%, Space 24%, Sci-fi 11.9%, Space Sim 9.9%
- #8 Star Hammer: The Vanguard Prophecy
92% matchMostly Positive75% of 160 reviews2015
Dev: Black Lab GamesPub: Slitherine Ltd.
Windows
Median: 3.3 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: Strategy 27.4%, Simulation 23.5%, Space 21.7%, Tactical 14.6%, Sci-fi 10.6%
- #9 SpaceInvasion
91% matchMixed54% of 50 reviews2023
Dev: BITMEUP
Windows · Mac
As a commander of an imperial space force you will conquer unexplored planets, create colonies and equip your fleet for attack or defense. Strategic warfare is the focus of Spaceinvasion!
Why similar: Space Sim 29.6%, Real Time Tactics 14.8%, Text-Based 13.6%, RTS 9.7%, Sci-fi 9.2%
- #10 Interstellaria
91% matchMixed56% of 410 reviews2015
Dev: Coldrice Games LLC
Windows · Mac · Linux
Median: 3.1 hrsMean: 4.7 hrs≥1hr: 74%
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.
Why similar: Space Sim 32.7%, RTS 14.8%, Space 13%, Sci-fi 10.2%, Strategy 8.6%
- #11 Dust Fleet
89% matchMostly Positive76% of 222 reviews2023
Dev: Orbiting DiscoPub: indie.io
Windows
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.
Why similar: Space Sim 26.1%, Real Time Tactics 16.8%, Space 10.4%, Strategy 9.4%, Sci-fi 8.9%
- #12 NEBULOUS: Fleet Command
89% matchVery Positive81% of 4,297 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 5.1 hrsMean: 31.7 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: Real-Time with Pause 26.2% ★, Military 14.6%, War 12%, RTS 11.5%, Tactical 9.1%
- #13 Void Destroyer
90% 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 Sim 20.2%, Simulation 19.1%, Strategy 19%, Space 18.2%, RTS 13.2%
- #14 Eternal Starlight VR
87% matchVery Positive91% of 76 reviews2021
Dev: White Noise Games
Windows
Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.
Why similar: Space Sim 22.4%, RTS 12.8%, Real Time Tactics 11.6%, Space 9.2%, Military 8.7%
- #15 Battlevoid: Sector Siege
88% matchMixed58% of 197 reviews2017
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.
Why similar: Real-Time with Pause 17.2% ★, Strategy 14.4%, Simulation 13%, Space 12.9%, RTS 11.3%
- #16 Battlevoid: Harbinger
86% 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 26.8%, Strategy 22.4%, Real-Time with Pause 20.3% ★, Simulation 17.7%, Sci-fi 7.8%
- #17 Sins of a Solar Empire II
83% matchVery Positive84% of 8,475 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.9 hrs≥1hr: 85%
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
Why similar: Space 22.5%, RTS 21.7%, Strategy 17%, Sci-fi 12.5%, Tactical 12%
- #18 Sid Meier's Starships
86% matchMixed50% of 2,467 reviews2015
Dev: Firaxis GamesPub: 2K
Windows · Mac
Median: 4.6 hrsMean: 7.5 hrs≥1hr: 87%
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
Why similar: Space 33.1%, Strategy 30.6%, Sci-fi 20.3%, Tactical 13.7%, Singleplayer 2.4%
- #19 Void War
81% matchVery Positive94% of 3,803 reviews2025
Dev: Tundra
Windows
Median: 7.7 hrsMean: 14.8 hrs≥1hr: 83%
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
Why similar: Real-Time with Pause 37.6% ★, Space 17.7%, Strategy 12.4%, Sci-fi 10.9%, Tactical 8.8%
- #20 Battlestar Galactica: Scattered Hopes
82% matchMostly Positive77% of 938 reviews2026
Dev: Alt ShiftPub: Dotemu
Windows
Median: 5.0 hrsMean: 10.7 hrs≥1hr: 82%
In Battlestar Galactica: Scattered Hopes, take command of a fleet escaping the annihilation of the Twelve Colonies. Manage crises on board as you prepare for the next encounter with the Cylon Fleet. Times are dire, and hard choices must be made. Your only hope: rejoin the Battlestar Galactica.
Why similar: Real-Time with Pause 20.2% ★, Space Sim 20.1%, RTS 11.4%, Real Time Tactics 9.8%, Strategy 8.2%
- #21 Space Rogue
85% matchMixed64% of 451 reviews2016
Dev: Red Beat
Windows · Mac
Median: 3.5 hrsMean: 4.7 hrs≥1hr: 92%
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
Why similar: Space 24.1%, Strategy 19.5%, Tactical 17.5%, Simulation 13.7%, Sci-fi 12.3%
- #22 Star Tactics Redux
84% matchVery Positive87% of 61 reviews2016
Dev: Devil's Dozen Games
Windows
Median: 4.1 hrsMean: 4.9 hrs≥1hr: 98%
Turn-based strategy game full of spacefleet battles. 30+ hours of gameplay, randomized battles, huge campaign with different ways of completion. Experience infinite tactical situations and outsmart the tricky AI using dozens of ships and special abilities.
Why similar: Strategy 51.3%, Simulation 48.7%
- #23 Star Trek: Starfleet Command Gold Edition
84% matchMixed60% of 216 reviews2016
Dev: Interplay Entertainment Corp.
Windows
Dozens of missions & more than 50 ship designs put you in the captain’s chair for an amazing real-time space combat experience commanding ships from the United Federation of Planets, the Klingon Empire, the Romulan Star Empire, the Hydran Kingdom, the Gorn Confederation or the Lyran Star Empire!
Why similar: Space Sim 30.9%, Real Time Tactics 18.7%, Space 13.4%, Strategy 12.8%, Simulation 12.1%
- #24 BattleGroupVR
80% matchVery Positive92% of 946 reviews2023
Dev: SpaceOwl Games
Windows · Linux
Median: 1.6 hrsMean: 4.3 hrs≥1hr: 60%
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
Why similar: Space Sim 25.7%, Real-Time with Pause 11.7% ★, Real Time Tactics 11.5%, RTS 9.7%, Space 8.5%
- #25 Galactic Ruler
82% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.5 hrsMean: 7.0 hrs≥1hr: 97%
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 23.4%, Real-Time with Pause 21.8% ★, Real Time Tactics 18.2%, Space 8.7%, RTS 8.5%
- #26 Star Traders: Frontiers
81% matchVery Positive84% of 3,789 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.4 hrsMean: 24.7 hrs≥1hr: 74%
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Why similar: Space Sim 42.4%, Sci-fi 16.3%, Simulation 13.5%, Space 11.6%, Strategy 11.2%
- #27 Creeper World IXE
79% matchMixed70% of 874 reviews2024
Dev: Knuckle Cracker
Windows
Median: 13.7 hrsMean: 14.8 hrs≥1hr: 86%
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
Why similar: Real Time Tactics 18.6%, RTS 15.3%, 1980s 15%, War 12.3%, Space 10.7%
- #28 Welcome Back, Commander
76% matchVery Positive82% of 240 reviews2025
Dev: S.C. 16 BIT NIGHTS S.R.L.
Windows
Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads . Good luck Commander!
Why similar: Real-Time with Pause 28.8% ★, Real Time Tactics 16.4%, Military 12.6%, Tactical 9.9%, RTS 9.4%
- #29 Trigon: Space Story
77% matchMixed68% of 1,421 reviews2022
Dev: Sernur.techPub: Gameforge 4D GmbH
Windows · Mac · Linux
Median: 3.7 hrsMean: 7.2 hrs≥1hr: 85%
Trigon: Space Story sees you take command of your very own spaceship. Carry out tactical battles, defend your vessel against space pirates, and escape from enemy territory. On your voyages, you’ll face a slew of tricky decisions in your quest to uncover the mystery of the galaxy.
Why similar: Real-Time with Pause 38.6% ★, Space 15.2%, Strategy 12.5%, Sci-fi 11.5%, Top-Down 10.5%
- #30 Executive Assault 2
76% matchVery Positive83% of 1,751 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.7 hrsMean: 8.2 hrs≥1hr: 76%
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Why similar: Space Sim 35.4%, RTS 17.8%, Space 10%, Real Time Tactics 10%, Strategy 9.7%
- #31 Parkan 2
79% matchMostly Positive74% of 387 reviews2014
Dev: NikitaPub: Fulqrum Publishing
Windows
Median: 2.2 hrsMean: 4.4 hrs≥1hr: 93%
Parkan II is an original concept game that will allow you to feel as a pilot of a spacecraft lost somewhere in the universe. Become a pirate or mercenary, get money to buy the most powerful cruiser and show them all who is to be the new master of the galaxy. Unforgettable adventures in the Parkan II universe await you!
Why similar: Space Sim 33.7%, Simulation 29.7%, Space 25.7%, Sci-fi 11%
- #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: Strategy 35.7%, Space 27.6%, RTS 22.7%, Sci-fi 13%, Singleplayer 0.9%
- #33 Particle Fleet: Emergence
77% matchVery Positive92% of 1,275 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.8 hrsMean: 24.9 hrs≥1hr: 76%
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Why similar: Real-Time with Pause 24.7% ★, Strategy 20.4%, Simulation 16.5%, RTS 15.5%, Space 13.7%
- #34 Flotilla
78% matchVery Positive82% of 241 reviews2010
Dev: Blendo Games
Windows · Mac · Linux
Median: 18 minMean: 1.8 hrs≥1hr: 28%
Lead your orbital battleships to victory in Flotilla! Fight, trade, and explore new planets in your journey through the galaxy. Featuring tactically rich 3D combat, flank and surprise the enemy from any direction. When the dust settles, generate another randomized universe for a brand new adventure!
Why similar: Space Sim 41.5%, Strategy 13.8%, Sci-fi 12.9%, Exploration 11%, Space 10.8%
- #35 Between the Stars
74% 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 Sim 38.5%, Space 20.2%, Simulation 14.6%, Strategy 12.2%, Sci-fi 9.6%
- #36 BattleGroupVR2
73% matchVery Positive86% of 192 reviews2025
Dev: SpaceOwl Games
Windows
BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of your flagship. Explore, mine, trade, hunt. Grow your fleet, upgrade your ships, train your captains, and battle the enemy from the captain's chair.
Why similar: Space Sim 28%, Military 16.8%, RTS 14.3%, War 12.7%, Sci-fi 10.1%
- #37 The Last Starship
72% matchMostly Positive75% of 1,617 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.9 hrsMean: 11.4 hrs≥1hr: 80%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 33.6%, Space 11.7%, Simulation 9.9%, Strategy 9.9%, Sci-fi 9.8%
- #38 Sector Space
71% matchVery Positive96% of 98 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: Space Sim 48.5%, Simulation 20%, Exploration 9.8%, Top-Down 7.7%, Space 5.3%
- #39 Battle Fleet 2
75% matchMostly Positive75% of 372 reviews2014
Dev: Mythical City Games
Windows · Mac
Median: 1.1 hrsMean: 6.8 hrs≥1hr: 53%
Welcome Admiral! Select your fleet, assign weapons, and sink the enemy fleet by controlling each of your ships down to setting the aim and range of each weapon's shot. Features include full open world Pacific & Atlantic campaigns, cross-platform multiplayer and awesome turn-based naval battles.
Why similar: Strategy 34.2%, Military 33.4%, Simulation 32.3%
- #40 Xenonauts 2
70% matchVery Positive82% of 5,470 reviews2026
Dev: Goldhawk InteractivePub: Hooded Horse
Windows
Median: 7.5 hrsMean: 21.1 hrs≥1hr: 84%
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Why similar: Tactical 28.2%, Strategy 26.7%, Sci-fi 26.1%, Combat 14.2%, Singleplayer 4.8%
- #41 Star Trek: Voyager - Across the Unknown
69% matchVery Positive80% of 4,324 reviews2026
Dev: GamexcitePub: Daedalic Entertainment
Windows
Median: 7.0 hrsMean: 16.7 hrs≥1hr: 86%
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 46.4%, Strategy 19.7%, Space 10.3%, Sci-fi 9%, Exploration 6.6%
- #42 Tachyon: The Fringe
74% matchVery Positive89% of 247 reviews2009
Dev: NovaLogic
Windows
Median: 24 minMean: 4.5 hrs≥1hr: 36%
Caught in the middle of a violent conflict on the fringe of the galaxy — your ability to survive will depend on your piloting skills and combat savvy as a mercenary space fighter. But, as you explore the vastly detailed world of Tachyon: The Fringe, you will often find that the most powerful weapon on your ship is in your head.
Why similar: Space Sim 55.7%, Simulation 28.2%, Space 16.1%
- #43 Star Traders: 4X Empires
75% matchMixed63% of 82 reviews2014
Dev: Trese Brothers
Windows · Mac · Linux
Median: 1.6 hrsMean: 2.8 hrs≥1hr: 94%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: Military 20.4%, Sci-fi 18%, Space 16.6%, Top-Down 15.2%, Simulation 12.7%
- #44 Deep Dark Forest
71% matchVery Positive86% of 50 reviews2025
Dev: pixiangames
Windows
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Space Sim 24.7%, Real Time Tactics 13.3%, RTS 11.1%, Military 10.1%, Simulation 8%
- #45 Lord of Rigel
71% matchMixed68% of 109 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: Real-Time with Pause 21.8% ★, Space Sim 21.1%, Military 12.8%, War 8.7%, Space 8.6%
- #46 Star Nomad 2
73% matchMostly Positive72% of 158 reviews2015
Dev: Huy Phan
Windows · Mac
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
Why similar: Space Sim 22.5%, Space 20.7%, Simulation 20%, Strategy 15.9%, Sci-fi 11.2%
- #47 Celestial Command
73% 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 Sim 28.9%, Space 25.4%, Simulation 21%, Strategy 14.1%, Sci-fi 10.6%
- #48 Emperor of the Fading Suns Enhanced
68% matchVery Positive95% of 183 reviews2025
Dev: Holistic Design, Inc.
Windows · Linux
Command interstellar forces in this epic return of the 4X strategy classic. From planetary politics to galactic warfare, the stakes couldn’t be higher as you lead your Royal House through battles on land, sea, air, and the vast reaches of space.
Why similar: Strategy 34.9%, Sci-fi 33.3%, Space 22.4%, 2D 6.5%, Singleplayer 2.9%
- #49 Stellar Warfare
69% matchVery Positive83% of 419 reviews2021
Dev: Tense Games
Windows
Median: 42 minMean: 2.8 hrs≥1hr: 45%
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Why similar: Real Time Tactics 17.3%, RTS 14.9%, War 13.2%, Space 11.4%, Simulation 9.6%
- #50 Phantom Signal — Sci-Fi Strategy Game
70% matchVery Positive85% of 156 reviews2018
Dev: Veslo Games
Windows · Mac · Linux
Median: 4.6 hrsMean: 5.9 hrs≥1hr: 94%
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
Why similar: Strategy 24.4%, Space Sim 23%, Space 16%, Simulation 14.7%, Sci-fi 12.1%
- #51 Stellar Commanders
70% matchMixed58% of 101 reviews2020
Dev: Blindflug Studios AG
Windows
Conquer the stars in this straightforward multiplayer real-time strategy game from the creators of First Strike and become a Stellar Commander!
Why similar: RTS 17.2%, Military 16.9%, War 13.8%, Space 12%, Tactical 11.1%
- #52 HighFleet
66% matchVery Positive88% of 7,330 reviews2021
Dev: Konstantin KoshutinPub: MicroProse Software
Windows
Median: 4.9 hrsMean: 16.6 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: Military 24.9%, Tactical 17.4%, Strategy 16%, Simulation 14.1%, Sci-fi 12.8%
- #53 Interstellar Pilot 2
67% matchVery Positive91% of 158 reviews2023
Dev: Pixelfactor Ltd.
Windows
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 39.6%, Simulation 19.5%, Strategy 17.6%, Space 10.2%, Sci-fi 7.8%
- #54 Gemini Wars
72% matchMostly Negative32% of 165 reviews2012
Dev: Camel 101
Windows · Mac
Median: 1.6 hrsMean: 4.0 hrs≥1hr: 94%
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.
Why similar: Space Sim 28.3%, War 12.6%, RTS 12.5%, Space 10.6%, Strategy 7.7%
- #55 Terra Invicta
63% matchVery Positive81% of 9,434 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.6 hrsMean: 52.2 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: Real-Time with Pause 27.8% ★, Military 15.7%, War 14%, Tactical 10.6%, Simulation 10.3%
- #56 SPACECOM
69% matchMixed68% of 532 reviews2014
Dev: Flow CombinePub: 11 bit studios
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.2 hrs≥1hr: 94%
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
Why similar: RTS 28.3%, Strategy 16.6%, Tactical 14.4%, Space 12.9%, Sci-fi 11.4%
- #57 Halcyon 6: Starbase Commander
67% matchVery Positive84% of 1,318 reviews2016
Dev: Massive Damage, Inc.
Windows · Mac · Linux
Median: 4.7 hrsMean: 6.7 hrs≥1hr: 93%
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
Why similar: Strategy 36.8%, Space 35.6%, Simulation 19.6%, 2D 5.2%, Singleplayer 2.8%
- #58 Stellar Tactics
62% matchMostly Positive78% of 1,706 reviews2026
Dev: Don WilkinsPub: Maverick Games
Windows
Median: 3.0 hrsMean: 14.7 hrs≥1hr: 68%
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
Why similar: Exploration 28.4%, Space 25%, Tactical 22.2%, Sci-fi 21.1%, Singleplayer 3.3%
- #59 Nomad Fleet
68% matchMixed66% of 214 reviews2016
Dev: Autarca
Windows · Mac · Linux
Median: 3.2 hrsMean: 3.2 hrs≥1hr: 79%
Nomad Fleet is a RTS game where you must lead the last remnants of Mankind to safety after a mysterious alien race has hunted them near extinction. Lead a fully armed fleet of battleships, carriers and fighters through a series of randomized scenarios and encounters where they must fight for their survival while scavenging for resources,...
Why similar: Strategy 33.6%, Space 24.5%, RTS 22.4%, Sci-fi 17.4%, Singleplayer 2.1%
- #60 Pixel Starships 2
66% matchMostly Negative27% of 381 reviews2025
Dev: SavySoda
Windows · Mac
First Glimpse on Steam Next: Build, Configure, and Manage every aspect of your own Starship. An FTL-esque game in a MMO setting. Pre bundled with deep strategy, exploration, PVP, market economy, trading, mining. Basically everything a star captain wants to do after a day at the office :)
Why similar: Space Sim 28.5%, Real Time Tactics 14.9%, RTS 12.5%, Space 11.9%, Strategy 9.5%