- #1 Space Reign
97% matchMostly Positive76% of 377 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: Action RTS 16.3% ★, Space Sim 16% ★, Real Time Tactics 11.5%, Space 11.1%, Vehicular Combat 10.9% ★
- #2 Axan Ships - Low Poly
96% matchMixed67% of 18 reviews2019
Dev: Adam Stępiński
Windows
Sci-fi RTS and Top-Down
Why similar: Spaceships 35.4% ★, Action RTS 21.9% ★, Space Sim 10.7% ★, Space 8.8%, RTS 7.1%
- #3 Star Armada
96% matchNo user reviews
Dev: Bitbuildr
Windows · Mac
Star Armada is a spaceship auto-battler where you assemble and command a fleet of capital ships and fighter squadrons. Unlock powerful new ships and outfit them with a range of turrets, energy shields, and starfighter hangars. Engage in automated battles, carefully timing unique abilities to win.
Why similar: Spaceships 38.9% ★, Space 10.2%, RTS 10.1%, Vehicular Combat 7.3% ★, Building 7.1%
- #4 Eternal Starlight VR
95% matchVery Positive91% of 75 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: Action RTS 16.1% ★, Spaceships 14.5% ★, RTS 14.4%, Space Sim 11.3% ★, Space 10.4%
- #5 Axan Ships
94% match1 user reviews0% of 1 reviews2019
Dev: Adam Stępiński
Windows
Sci-fi RTS and Top-Down
Why similar: Spaceships 39.8% ★, Action RTS 25.9% ★, Space Sim 9.9% ★, Space 6.7%, Sci-fi 4%
- #6 Grey Galactic
93% match3 user reviews67% of 3 reviews2025
Dev: Alex McGeePub: Blue Quill Studios LLC
Windows
Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?
Why similar: Action RTS 23.6% ★, RTS 15.6%, Real Time Tactics 12.3%, Building 8.1%, Space 7.8%
- #7 Rank: Warmaster
94% match3 user reviews100% of 3 reviews2021
Dev: Laser Beams & Particle Streams Software, Inc.
Windows
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
Why similar: Spaceships 26.4% ★, Action RTS 14.9% ★, Space Sim 12.1% ★, RTS 11.3%, Base Building 8.5%
- #8 Space Menace
92% matchMixed60% of 40 reviews2022
Dev: Only4Gamers
Windows · Mac
Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.
Why similar: Spaceships 26% ★, Action RTS 17.1% ★, RTS 14.1%, Space 11.5%, Real Time Tactics 8.8%
- #9 Extinction Eclipse
91% matchPositive85% of 34 reviews2022
Dev: TuanisApps
Windows · Mac · Linux
You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.
Why similar: Action RTS 26.2% ★, RTS 13.2%, Space 12.8%, Space Sim 9.7% ★, Base Building 8.5%
- #10 ERA ONE
90% matchVery Positive86% of 1,348 reviews2025
Dev: Team Complex LTD
Windows
Median: 3.4 hrsMean: 14.0 hrs≥1hr: 67%
Era One is an innovative space game that combines elements of real-time strategy, base building, space survival, and tactical battles. Players can create and customize their bases from scratch, construct various types of structures and warships, manage fleets, and engage in tactical space battles.
Why similar: Action RTS 24.3% ★, Vehicular Combat 15.6% ★, RTS 14.4%, Real Time Tactics 12.9%, Space 11.4%
- #11 Admiral Stepinski
91% match1 user reviews100% of 1 reviews2019
Dev: Adam Stępiński
Windows
A multiplayer, tactical, real-time strategy with spaceships
Why similar: Spaceships 38.9% ★, RTS 18.9%, Space Sim 11.7% ★, Tactical 11.2%, Space 8%
- #12 Guanabara Warriors
89% matchNo user reviews
Dev: Vinagre Design
Windows
Lead Brazilian indigenous tribes and European forces in an epic real-time strategy game set during the founding of Rio de Janeiro city, Brazil. Forge alliances, command armies, and shape the future of Guanabara Bay.
Why similar: Action RTS 25.9% ★, RTS 17.6%, Base Building 11.8%, Real Time Tactics 11.6%, City Builder 7.2%
- #13 Raga
89% matchNo user reviews
Dev: Gameparic
Windows
Raga is a game set in the Slavic realities, in which the cultures of the East and the West intertwine. The gameplay combines elements of a city-builder and an extensive economy known from RTS games. The game is saturated with many elements of Slavic mysticism, full of beliefs, myths, and monsters.
Why similar: Action RTS 22.3% ★, City Builder 16.8%, RTS 14.6%, Real Time Tactics 10.8%, Management 7.9%
- #14 Keep
88% matchNo user reviews
Dev: Parall Peak LTD
Windows
Keep is a WW2-themed strategy shooter where you place flak turrets to defend your fortress, then jump into first-person mode to shoot down enemy planes. Switch between tactical planning and direct combat in a fast-paced blend of strategy and action
Why similar: Action RTS 31.5% ★, RTS 17.5%, Real Time Tactics 15.4%, Base Building 11.6%, Tactical 6.9%
- #15 WarOS
86% matchPositive86% of 43 reviews2025
Dev: The7 Studio
Windows
Step into the world of galactic combat in "WarOS", a Chinese sci-fi game! It creates its own structure, integrating the core gameplay of RTS with the details, plot and growth system of RPG, simplifying complex micro-manipulation, and making the game experience both fun and exhilarating.
Why similar: RTS 14.7%, Action RTS 14.2% ★, Real Time Tactics 11.8%, Base Building 10.7%, Space 10.3%
- #16 Planet S
86% 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 21.6%, RTS 17.2%, Space 13.8%, Building 9.8%, Real Time Tactics 8.7%
- #17 Paddle Protectors
84% match5 user reviews60% of 5 reviews2025
Dev: Huhi Games
Windows
Paddle Protectors is an mix of tower defense, real-time strategy and city-building. You will fight against crabs. Establish farms and factories to produce ammunition and resources, fortify your land, lead your soldiers and tanks.
Why similar: Action RTS 24.2% ★, City Builder 18.9%, RTS 14.7%, Real Time Tactics 10.7%, Base Building 7.1%
- #18 Generation Ship
85% matchNo user reviews2026
Dev: Scifan Studios
Windows · Mac · Linux
As the AI responsible for a Generation Ship, you are humanity's last hope. Build efficient raw material cycles and help your crew in a realistic real-time simulation to survive the challenges of space on their long journey to a new home!
Why similar: Spaceships 24.3% ★, City Builder 18.9%, Space Sim 11.7% ★, Space 9.7%, Building 8.5%
- #19 Space Break
87% matchNo user reviews2018
Dev: Dhause
Windows
Build ships from elements and go to fight. The player can control several different spaceships at the same time (fleet battles). During the battle you can switch ships and different ships can attack different opponents. Choose your ships and tactics for each battle.
Why similar: Spaceships 34% ★, Vehicular Combat 18.6% ★, Space 10.3%, Tactical 8.4%, Building 8.3%
- #20 Defending Earth
84% match1 user reviews100% of 1 reviews2023
Dev: Alex ValdesPub: BROSIMPLE LLC
Windows · Mac · Linux
As the Earth faces the greatest asteroid storm in the solar system, players must strategize and use a variety of weapons, tools and other resources to protect the planet. With a countdown to the incoming storm, players must act quickly and make strategic decisions to save Earth from the asteroids.
Why similar: Spaceships 23.3% ★, Action RTS 22% ★, Space Sim 13.1% ★, Real Time Tactics 11.5%, Space 10.7%
- #21 Astra Sentinel
82% matchNo user reviews2026
Dev: Somnambulist Games
Windows
Astra Sentinel is a wave-based survival RTS where endless alien hordes relentlessly assault your planets. Build defenses, colonize planets and manage resources under constant pressure. Will you be able to recover the control of the galaxy?
Why similar: Action RTS 18% ★, RTS 15.4%, Base Building 13.7%, City Builder 13.1%, Space 7.6%
- #22 We Are The Wall
82% matchNo user reviews
Dev: NorthWall Studio
Windows · Mac
We Are The Wall is a city-builder / RTS where you lead a hardy dwarf settlement fighting to protect their mountain home. Train armies, gather vital resources, explore the surrounding lands, and defend the Heart of the Mountain at all costs. We Are The Wall!
Why similar: City Builder 22.6%, Base Building 17.2%, RTS 17%, Real Time Tactics 9.2%, Action RTS 8.5% ★
- #23 SunWars
81% matchNo user reviews
Dev: Bode
Windows
Over 500,000 players on mobile! Sun Wars is a real-time strategy game set in a galactic war between suns. Build and boost your solar system, attack enemy suns, avoid deadly black holes, and manage energy wisely. Only smart tactics and strategy will let you survive and win the war.
Why similar: Action RTS 25.6% ★, Real Time Tactics 13.2%, Space Sim 13.2% ★, Space 12.2%, RTS 12.1%
- #24 Galactic Veins
81% matchNo user reviews
Dev: DST Studio
Windows
Galactic Veins is a groundbreaking survival RPG that seamlessly blends action and RTS. Lost in an uncharted galaxy, you'll explore hostile regions filled with danger and mystery. Harvest resources, salvage technologies, and uncover the secrets of the universe as you fight to find your way back home.
Why similar: Action RTS 25.9% ★, City Builder 16.6%, Base Building 12.5%, Space 12.2%, RTS 11.8%
- #25 Asteroid Colony
79% match4 user reviews100% of 4 reviews2024
Dev: Christian Lutnik
Windows
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
Why similar: Spaceships 24.6% ★, City Builder 16.7%, RTS 13.4%, Space 11.8%, Space Sim 11.4% ★
- #26 Defender's Dynasty
79% match5 user reviews60% of 5 reviews2025
Dev: Hyper Cloud Games
Windows · Mac
A 2D Strategic Base Defender game set in Medieval times. As relentless Waves of enemy forces threaten your Stronghold, you must gather Resources, Fortify your Defenses and lead your Rebellion. Prepare to strengthen your Base and manage your Resources. But beaware of the Storms!
Why similar: Action RTS 22.3% ★, City Builder 20%, Base Building 12.9%, Real Time Tactics 11.4%, RTS 10.5%
- #27 A Modest Legacy
80% match7 user reviews71% of 7 reviews2023
Dev: Happy Viking Studios
Windows
Welcome to A Modest Legacy, a medieval, real time strategy game. Here you will use city building and combat tactics to conquer your enemies in hopes to be the last kingdom standing. Good luck!
Why similar: Action RTS 18.5% ★, City Builder 16.6%, RTS 16.5%, Base Building 12.3%, Real Time Tactics 10.4%
- #28 Towers & Goblins: The Last Stand
78% matchPositive86% of 20 reviews2025
Dev: Axella Games
Windows
Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.
Why similar: Action RTS 18.4% ★, City Builder 17.4%, RTS 15.3%, Base Building 12.5%, Real Time Tactics 9.7%
- #29 SpaceCraft Brawl
76% matchPositive94% of 17 reviews2026
Dev: ruploz
Windows
Build spacecrafts and fight with or against your friends! This game offers physics driven gameplay, with a variety of weapons and powerups. Slice your enemies in half with a laser beam, or erase them from existence with a black hole bomb!
Why similar: Action RTS 18.9% ★, Vehicular Combat 18% ★, Space Sim 15.6% ★, RTS 10.8%, Building 9.1%
- #30 Fleetbreakers
77% matchNo user reviews
Dev: Last KeepPub: Level Up Gaming
Windows
From the minds behind Age of Empires, Age of Mythology, and Halo Wars comes a new generation of RTS. Forge powerful alliances and build an unstoppable fleet as you battle across the galaxy to drive back the insidious Voltari.
Why similar: Action RTS 29.7% ★, RTS 20.3%, Roguelike 9.6%, Building 8.4%, Sci-fi 8.2%
- #31 It's Not A Moon
78% match6 user reviews33% of 6 reviews2019
Dev: Hyeson
Windows
Manage a space station, flying through a procedually generated universe, fight, build and survive in the coldness of space.
Why similar: City Builder 12.5%, RTS 10.7%, Space Sim 10.1% ★, Space 9.9%, Strategy 9%
- #32 SALVO
75% matchNo user reviews
Dev: Rice Golem Productions
Windows
Experience cinematic space warfare in SALVO, an action packed real-time tactical combat simulator. Command your flagship and engage in intense battles in a war-torn solar system. Play a story-driven campaign, or forge your own destiny across the dangerous frontiers.
Why similar: Action RTS 28.2% ★, Real Time Tactics 14.2%, Space 11.8%, RTS 11.2%, Space Sim 10.1% ★
- #33 The Spatials: Galactology
77% 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: Spaceships 20.6% ★, City Builder 18.8%, Space Sim 13.1% ★, Base Building 11.9%, Space 10.3%
- #34 Executive Assault 2
74% matchVery Positive83% of 1,726 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 4.0 hrsMean: 8.4 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: RTS 18.1%, Space Sim 16.3% ★, Action RTS 13.7% ★, Base Building 11.7%, Space 10.5%
- #35 EASY RTS
75% matchNo user reviews
Dev: Olivette Noa
Windows · Linux
a minimalist rts game where decision-making is at the heart of simple and intuitive gameplay. Compete or cooperate with your friends online to build the best base.
Why similar: Action RTS 25.7% ★, City Builder 20.7%, RTS 17.3%, Real Time Tactics 13%, Base Building 9%
- #36 Ruin or Victory
76% match3 user reviews33% of 3 reviews2022
Dev: Wedge End Games
Windows
Ruin or Victory is a modern take and evolution of the classic RTS genre with added detail, continuity, and strategic depth while remaining accessible and well-paced. Devise your strategy, manage and expand your economy, and choose your warriors' equipment and tactics.
Why similar: Action RTS 24.8% ★, City Builder 15.2%, RTS 14.1%, Real Time Tactics 12.6%, Base Building 11.9%
- #37 BattleGroupVR2
72% matchVery Positive88% of 155 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: Action RTS 23.5% ★, Spaceships 15.5% ★, RTS 14.6%, Vehicular Combat 13.7% ★, Space Sim 12.8% ★
- #38 SpaceLab Simulator
74% matchNo user reviews
Dev: Tractor Set GO!
Windows
Run a spaceship's lab module all by yourself while trying to find a cure for close-to-extinct humanity. Make repairs to various systems of the ship, solve technical problems, perform maintenance, and upgrade tools that will help you to overcome the most unusual challenges.
Why similar: Spaceships 53.1% ★, Space Sim 19.7% ★, Space 13.4%, Sci-fi 9.4%, 3D 2.4%
- #39 Remnant Protocol
73% matchNo user reviews2026
Dev: Progenitor Game Studios Ltd.
Windows
The assassination of the Blessed Mother has plunged the galaxy in darkness. Usurpers rule with absolute authority, and blood flows in rivers of red across the stars. Only the Protocol can restore Her light.
Why similar: Spaceships 39.2% ★, Space Sim 16.1% ★, Vehicular Combat 13.8% ★, Space 11.6%, Sci-fi 5.1%
- #40 Space Alliance: Frontier
72% match6 user reviews50% of 6 reviews2025
Dev: Black Lime Studio
Windows
Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.
Why similar: Action RTS 24.2% ★, RTS 16.6%, Real Time Tactics 13.6%, Space 13.4%, Sci-fi 7.7%
- #41 Space Cheese Defenders
73% match6 user reviews100% of 6 reviews2024
Dev: Team Attack Games
Windows
A tower defense game with RTS elements about gathering cheese in space, where mobile carriers are able to deploy smaller spacecraft. Collect cheese to buy and upgrade spaceships and use each type to customize your playstyle and defend your base!
Why similar: Spaceships 37.7% ★, RTS 18.3%, Space 10.7%, Sci-fi 8.4%, Tactical 8.2%
- #42 Oikizo
71% matchNo user reviews2025
Dev: L2N Game Studio
Windows
Oikizo is a city-building game. Start by placing your first building and a few citizens, then make your city prosper. The strength of Oikizo lies in the ability to manage a city cooperatively with your friends.
Why similar: Action RTS 26.4% ★, City Builder 22.2%, RTS 17.8%, Building 8.4%, Base Building 8.1%
- #43 Fight for Freedom: Civil War
71% matchNo user reviews
Dev: Big Hands Game
Windows
A minimalist game about fighting for freedom and independence in the United States of America!
Why similar: Action RTS 27.1% ★, City Builder 22.2%, RTS 16.3%, Base Building 12.2%, Building 9.2%
- #44 Nexus - The Jupiter Incident
73% matchVery Positive86% of 1,053 reviews2007
Dev: Mithis GamesPub: HandyGames
Windows
Median: 1.9 hrsMean: 12.1 hrs≥1hr: 64%
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Why similar: Space 24.6%, RTS 17.2%, Spaceships 16% ★, Sci-fi 12.3%, Strategy 10.1%
- #45 TerrApocalipse
70% matchNo user reviews
Dev: StDesign
Windows · Mac · Linux
TerrApocalipse is an indie space action strategy with RPG elements, set in our solar system under siege by a mysterious, overwhelming force. Soon as the vast void between planets will be filled with conflict your decisions will shape the fate of Terra and beyond.
Why similar: Spaceships 38% ★, Action RTS 16.7% ★, Space 13.3%, RTS 11.7%, Sci-fi 8.9%
- #46 Orc Warchief: Prologue
70% matchNo user reviews2026
Dev: Iron Wolf StudioPub: Iron Wolf Studio
Windows
Prologue version of Orc Warchief. Become an Orc warchief and fight for survival of your race. Rebuild your village and train your warriors. Gather resources and craft your weapons. Raise your warbanner and gather The Horde.
Why similar: Action RTS 26.2% ★, City Builder 19.1%, RTS 15%, Real Time Tactics 13.8%, Base Building 9.7%
- #47 Orion Wars
69% match7 user reviews100% of 7 reviews2025
Dev: Sneeden Software
Windows
Fast-paced space RTS with 10-25 minute matches. Command fleets, conquer systems, or research the Singularity. Simple controls, strategic depth, but no 3-hour commitments required.
Why similar: Action RTS 23.8% ★, RTS 20.8%, Space 14.8%, Real Time Tactics 11.2%, Tactical 9.6%
- #48 Evostrike
70% matchPositive96% of 24 reviews2024
Dev: MoonArtyre
Windows
A Roguelike tactics game where you fight hordes of aliens. Your Units evolve and learn new skills as the fight goes on. Manage your squad of 5 specialised mercenaries, and fight a never ending war against the infestation.
Why similar: Action RTS 28.1% ★, Real Time Tactics 17.3%, RTS 16%, Management 11.3%, Tactical 7%
- #49 Smelogs Playground
69% matchVery Positive91% of 53 reviews2024
Dev: Nifty Productions
Windows
Smelogs Playground is a Free-to-Play Real-Time Strategy game with charming aesthetics and a simple but effective gameplay mechanism. Take over the playful and rocky Smelogs to compete against each other for fun and honor!
Why similar: Action RTS 29.7% ★, RTS 19.9%, Base Building 12.9%, Real Time Tactics 9.9%, Management 8.9%
- #50 They Fear The Mist
69% matchNo user reviews2027
Dev: Hidden Shadows Games
Windows
They Fear The Mist is a real-time strategy game, where you command your Troops, build your Settlement, fight off thousands of Enemies and explore the Unknowns of the Mist. Take command of your people and defend them from the incoming hordes… Can you survive?
Why similar: Action RTS 21.4% ★, RTS 17.4%, Base Building 13%, City Builder 12.4%, Real Time Tactics 10.8%
- #51 Space Wave Race
71% match3 user reviews100% of 3 reviews2020
Dev: Rising PixelPub: IV Productions
Windows · Mac
Only the true heroes of space can become champions of Space Wave Race: the intergalactic championship that will take you to challenge the best pilots in the galaxy!
Why similar: Spaceships 44.6% ★, Vehicular Combat 20.5% ★, Space Sim 15.4% ★, Space 14.2%, 3D 3.1%
- #52 SpaceSlog
68% matchNo user reviews2026
Dev: Produno Games Studios
Windows · Linux
Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This game features simulated ship systems and a lived in universe which creates a challenging, unique and unforgettable experience with every playthrough.
Why similar: Spaceships 24.5% ★, Space Sim 16.9% ★, Base Building 13.1%, Space 9.3%, Real Time Tactics 8.6%
- #53 Aquis
68% matchNo user reviews
Dev: Oromith Games
Windows · Mac
Aquis: A strategic elemental adventure where a human mage, stranded in a mystical world, must collaborate with elemental beings to mend a portal breach. Battle shadow creatures, restore harmony, and seek a path back to Earth.
Why similar: City Builder 28.9%, Base Building 17.1%, RTS 14.1%, Building 12.8%, Management 9.9%
- #54 Hobgoblins Against Dwarfs
68% matchNo user reviews
Dev: Enigma Empire Entertainment
Windows
Craft an unstoppable defence using Dwarven Towers and a fearless squad, then take on waves of invading Hobgoblins in this thrilling real-time strategy tower defence game! Strategize, upgrade, and triumph in Hobgoblins Against Dwarfs!
Why similar: Action RTS 21.9% ★, RTS 21.8%, Base Building 13.6%, Real Time Tactics 10.1%, Strategy 9.2%
- #55 Stardust Exile
67% matchMixed69% of 45 reviews2024
Dev: Apseren
Windows · Linux
Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.
Why similar: Spaceships 26.9% ★, Action RTS 15.6% ★, RTS 14.4%, Space 10.9%, Real Time Tactics 9.5%
- #56 Space Menace 2
66% matchPositive82% of 22 reviews2025
Dev: Only4Gamers
Windows · Mac · Linux
Start small, expand your fleet, and rise to power as you navigate a galaxy full of opportunity and danger. This simple, non-traditional sci-fi RTS and space combat game offers strategic gameplay, evolving challenges, and satisfying ship customization through a variety of modules and upgrades.
Why similar: Action RTS 22.8% ★, Spaceships 22.3% ★, RTS 15.7%, Real Time Tactics 10.9%, Tactical 9.8%
- #57 Exogate Initiative
66% 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 17.1%, RTS 12.9%, Base Building 12.1%, Space 9.3%, Building 9.2%
- #58 Spaceship Pro Simulator
67% matchNo user reviews
Dev: Hard Shark Games
Windows
Spaceship Pro Simulator. Strapped in and ready. One ship, one mission—survive the unknown. Enemies ahead, systems online. This is my journey through deep space, and I'm not going down easy.
Why similar: Spaceships 56.5% ★, Space Sim 20.2% ★, Space 10.7%, Sci-fi 3.8%, Action 2.9%
- #59 Diplomacy is Not an Option: Shareware
65% matchVery Positive92% of 582 reviews2025
Dev: Door 407
Windows
Median: 1.4 hrsMean: 3.9 hrs≥1hr: 57%
Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is.
Why similar: City Builder 21.6%, Action RTS 17.3% ★, RTS 16.2%, Base Building 12.2%, Building 8.9%