60+ similar titles based on shared tags and player behavior. Themes include Simulation, Strategy, Space Sim, Space.
The endless expanse of space has never been such a dangerous place. Take command as a Space Fleet Admiral who will face the challenge of galactic war and determine the fate of the universe.
Idle Starfleet
Create your own carrier fleet, explore the universe, and destroy enemy ships with style!
Star Fleet Deluxe
Command a UGA heavy cruiser against the Krellan Empire. Navigate space, manage resources, and coordinate defense strategies. Use starbases and outposts to protect colonies while engaging in tactical ship combat. Your decisions will determine the fate of sectors in this military space simulation.
Create your own carrier fleet, explore the universe, and destroy enemy ships with style!
Why similar: Space Sim 25.4%, RTS 16.2%, Strategy 15.7%, Simulation 13.7%, Wargame 12.1%
Command a UGA heavy cruiser against the Krellan Empire. Navigate space, manage resources, and coordinate defense strategies. Use starbases and outposts to protect colonies while engaging in tactical ship combat. Your decisions will determine the fate of sectors in this military space simulation.
Why similar: Space Sim 39.8%, Strategy 19.6%, Wargame 17.9%, Sci-fi 14.6%, Simulation 6.8%
Build spacecraft with a realistic part-based editor and fight multiplayer orbital wars using Keplerian, Newtonian, and patched-conics flight. Engage with lasers, railguns, missiles, and EW in fast, decisive battles shaped by strategy and logistics.
Why similar: Space Sim 40.3%, Simulation 13.2%, Wargame 12.4%, Strategy 12%, Sci-fi 9.1%
As the CEO of a spaceship design company, arrange blocks with different modes and functions to build powerful ships. Use resources from battles to upgrade blocks and acquire new ones through supplies. Strategically enhance your ship to maximize performance and defeat competitors.
Why similar: Space Sim 35%, Strategy 19.4%, Simulation 17.6%, Wargame 14.7%, Sci-fi 6.9%
Single-player space strategy about the last ship of a vanished civilization: built to copy itself, no longer able to. Turn dead systems into mines, refineries, and shipyards. Design fleets, command the fights, lose ships, never the factory. Find out what silenced the galaxy.
Why similar: Space Sim 34.1%, RTS 22.1%, Strategy 16.5%, Simulation 10.3%, Space 7.1%
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: Strategy 22.9%, Space Sim 20.2%, Simulation 18.4%, RTS 18.2%, Sci-fi 10.5%
An open galaxy space sim of trade, mining, colonization, and real time combat. Explore a procedurally generated universe, strip mine asteroid fields, claim and fortify your own worlds, and climb through a galaxy of five rival factions. Play solo or with a friend in online co-op.
Why similar: Space Sim 42.4%, Wargame 19%, Strategy 13.4%, Sci-fi 8.9%, Simulation 7.1%
A simulation sci-fi game where players take on the role of the project manager of a space elevator project. They will progressively achieve project phase goals and ultimately accomplish the ultimate goal of constructing a Mars colonization spacecraft.
Why similar: Space Sim 41.4%, Strategy 22.2%, Simulation 20.3%, Sci-fi 7%, Space 5.1%
Pilot your ship across a procedurally generated star map as corruption spreads inward. Each sector holds a stabiliser; protect it from raiders and pump energy into its shields. Jump between nodes, prioritise threats, and manage energy. Hold the line until time runs out, or be consumed by corruption.
Why similar: Space Sim 45.5%, Strategy 21.9%, Space 9.5%, Simulation 7.8%, Sci-fi 7.5%
VRTS is a VR Real-Time-Strategy game based in space! Command and construct a fleet of spaceships to defeat your enemies. Watch over the battle from your war table and make the ultimate strategy to bring down your adversary.
Why similar: Space Sim 31.9%, RTS 20.7%, Strategy 18%, Simulation 15.7%, Futuristic 5.9%
Civilization was born from a chaotic star system and has been constantly tested in its development, from ancient civilizations to occupying the entire galaxy, which is long and dangerous.
Why similar: Space Sim 32.2%, Strategy 12.4%, RTS 10.8%, Simulation 9.1%, Futuristic 8.6%
Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.
Why similar: Space Sim 47.1%, Simulation 21.9%, Strategy 20.2%, Space 7.2%, 3D 2.9%
In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.
Why similar: Space Sim 28%, Strategy 20.8%, RTS 18.4%, Space 7.7%, Sci-fi 5.9%
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Space Sim 25.9%, Strategy 22.8%, Simulation 18.7%, RTS 13.2%, Sci-fi 6.8%
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
Why similar: Space Sim 38%, Simulation 21.9%, Strategy 18.2%, Sci-fi 12%, Space 9.1%
Online multiplayer drone warfare in space. Persistent universe, keeps going when you aren't logged in.
Why similar: Space Sim 35.6%, RTS 16.6%, Wargame 13.7%, Strategy 13.1%, Simulation 10.6%
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 39.5%, Strategy 21.2%, Simulation 18.8%, Sci-fi 7.9%, Space 5.4%
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 28.4%, RTS 17.7%, Wargame 14.5%, Strategy 10.6%, Simulation 8.9%
Captain a space freighter on its perilous voyage to deliver vital supplies to the Parvin Frontier! Select your crew, then lead and command their efforts to manage the ship's navigation, engineering, weapons, and more on the fly as crises and obstacles arise in real time.
Why similar: Space Sim 46.1%, Simulation 14.8%, Aliens 9%, Sci-fi 8.3%, Space 7.4%
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 50.3%, Strategy 16%, Simulation 15.6%, Sci-fi 12.6%, 3D 4.5%
In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.
Why similar: Space Sim 24.9%, Wargame 22%, RTS 17.2%, Strategy 12.8%, Simulation 8.5%
Falling Stars: War of Empires is a fast-paced digital tabletop strategy game where each decision you make forces the game to evolve differently every time you play. Command hundreds of ships in battle, resolve intricate political agendas, and discover the deep interplanetary relations of the galaxy!
Why similar: Space Sim 27.6%, Strategy 26.9%, Simulation 21.7%, Wargame 14.9%, Sci-fi 8.8%
Shoting!!!
Why similar: Space Sim 41.3%, Strategy 22.4%, Simulation 20.5%, Aliens 7.4%, Space 4.6%
Travelers in Space Crack is a survive game in deep space. Explore in different galaxy through space cracks. To find and gather useful resource, to trade and make money are all important to develop your own fleets. And only through build massive fleets, you triumph over the unknown evil forces.
Why similar: Space Sim 38.7%, Strategy 20.6%, Simulation 18.8%, Wargame 17.7%, Space 3.8%
GeoWar is a simple real-time strategy game where you have to capture all the bases from the enemies.
Why similar: Strategy 32.2%, Simulation 26.8%, RTS 21.6%, Wargame 19.4%
"Fleet Craft" is a real-time strategy game with a science fiction theme. Players can build land fleets composed of large tanks, robots and other units. You can customize the weapons on the unit to achieve different functions.
Why similar: RTS 31.2%, Strategy 28.9%, Wargame 17.2%, Sci-fi 14.1%, 3D 4%
Galaxor is an online sci-fi strategy game where you build planets, research technologies, command fleets and expand your empire across the galaxy. Manage resources, join clans, take part in events and face alien threats in long-term space warfare.
Why similar: Space Sim 33.1%, RTS 21%, Strategy 12%, Simulation 10.5%, Futuristic 8.1%
Explore a galaxy of 300 systems as you control your fleet in a top-down 3D style, navigating through Star-lanes, Warp gates, and Black holes. Customize and upgrade your fleet, complete missions, trade, hire your crew, wage war and determine the fate of the galaxy in this grand sim saga.
Why similar: Space Sim 44.1%, RTS 14.8%, Strategy 12.8%, Sci-fi 11.5%, Simulation 8.3%
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 50.2%, Simulation 22.4%, Futuristic 9.2%, Sci-fi 8.6%, Space 4.8%
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 29.5%, Space Sim 23%, Simulation 14.3%, Sci-fi 12.4%, RTS 11.5%
Our goal is to depict the possibilities of space exploration & combat within a realistic environment- to emphasize the "science" in science-fiction. Key features to include: proper orbital mechanics for all objects in space, detailed ship system control, functionality, inter-dependency & damage reaction.
Why similar: Space Sim 67.1%, Simulation 26.2%, Space 6.7%
This game is no longer updated, do not buy!! RTS with physical details. Formulate strategies based on terrain and unit characteristics
Why similar: RTS 30.2%, Wargame 28.4%, Strategy 22.3%, Sci-fi 11%, 3D 4.1%
Design your own spaceships and assemble a fleet to fight in epic PvP battles. Ships are fully destructible and manned by persistent crew members including yourself. Ranked/casual matchmaking, PvE for practice. Show your creativity, strategy and tactics to defeat enemy Admiral!
Why similar: Space Sim 38%, RTS 24.3%, Strategy 20.4%, Futuristic 7.4%, Sci-fi 7%
A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.
Why similar: Space Sim 32.1%, RTS 20.7%, Strategy 20.1%, Simulation 15.4%, Sci-fi 6.1%
Relativity Wars is a god-type strategy/action game, set in a universe which obeys Einstein’s theories of relativity!
Why similar: RTS 31.4%, Strategy 22.8%, Space Sim 22.1%, Simulation 17.9%, Space 5.8%
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 28.9%, Wargame 16.3%, RTS 13.1%, Strategy 10.8%, Sci-fi 9.1%
Space Strategy. A mix of tower hold games and role-playing action.
Why similar: Space Sim 34%, RTS 22.1%, Strategy 20%, Simulation 17.4%, Futuristic 6.2%
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 49.3%, Simulation 25.1%, Sci-fi 9.5%, Futuristic 7.8%, Space 7.4%
They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.
Why similar: Strategy 37.3%, Space Sim 35.4%, Sci-fi 17.8%, Space 8.7%, Singleplayer 0.8%
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Why similar: Space Sim 57.4%, Strategy 16.5%, Simulation 16%, Space 10.1%
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.
Why similar: Space Sim 35.7%, RTS 22.8%, Strategy 14.8%, Aliens 6.5%, Futuristic 6%
Build, launch and manage realistic space missions across our solar system, placing satellites and telescopes in precise orbits. Explore planets, collect valuable scientific data and sell your findings to expand your rising aerospace empire.
Why similar: Space Sim 44.3%, Strategy 16.8%, RTS 16.6%, Simulation 14.6%, Space 5.2%
Deep Space Remnant is a space survival base-building simulator: build your station, gather resources with ships, research technology, and strengthen shields to survive escalating cosmic radiation.
Why similar: Space Sim 42.8%, Strategy 26.6%, Simulation 20.1%, Space 5.8%, 3D 3.9%
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 60.8%, Simulation 29.8%, Space 9.4%
Fly a rented corporate vessel in a procedurally-generated universe, navigate risky routes, profit from changing markets before the opportunity disappears and you lose it all. Take jobs, navigate the markets, smuggle, lie. Do everything in order to keep flying.
Why similar: Space Sim 53.9%, Simulation 23%, Strategy 11%, Sci-fi 7.7%, Space 4.4%
Fight till you can't then fight some more! A space combat simulator with survival crafting elements.
Why similar: Space Sim 37.2%, RTS 18.7%, Simulation 10.8%, Strategy 10.6%, Aliens 8.1%
Will you make the grade and save the planet? Become a cadet on your first day of training in this 3rd person space combat simulator.
Why similar: Space Sim 42.9%, Simulation 35.9%, Sci-fi 12.6%, Space 8.5%
Block enemies with randomly generated heroes Survive until the last round and clear the game. Defeat enemies and use the gold you earn to produce more heroes and become stronger.
Why similar: RTS 27%, Strategy 23.9%, Simulation 21.8%, Wargame 20.5%, Combat 3.1%
Mine a vast, lonely asteroid field at the edge of a giant solar system. Tear ore from drifting rocks, haul it back to the station, and upgrade a rust-bucket into a roaring hauler. Dodge mini-suns, the sun, and a black hole — and clear the whole field to win.
Why similar: Space Sim 45.6%, Strategy 25.6%, Simulation 22.5%, Space 5.6%, Singleplayer 0.7%
"Ender’s Game" meets "Battleship" in fast-paced 3D RTS!
Why similar: Space Sim 32.2%, Wargame 21.3%, RTS 16.5%, Strategy 12.9%, Character Customization 5.5%
The next major game in the Planetary Annihilation universe, Industrial Annihilation combines the iconic real-time strategy of the beloved Annihilation games with deep factory-building to deliver a blend of genres unlike any you’ve experienced before.
Why similar: RTS 28.8%, Strategy 23.3%, Wargame 22.4%, Futuristic 10.1%, Sci-fi 8.5%
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: RTS 33.8%, Strategy 30.4%, Space 12.8%, Sci-fi 12.2%, Space Sim 9.9%
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 34.9%, RTS 23.8%, Strategy 12.4%, Sci-fi 10.5%, Simulation 8.6%
In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.
Why similar: Space Sim 41.8%, Simulation 13%, Sci-fi 11.6%, Futuristic 10.9%, Aliens 7.1%
Command a fleet of customizable ships in this roguelite strategy autobattler. Liberate planets to unlock new ships and powerful upgrades. Engage in strategic battles, manage your fleet, and face escalating challenges as you fight to free the universe through increasingly difficult galaxies.
Why similar: Space Sim 38.9%, Wargame 19.1%, Strategy 14.7%, Simulation 12.5%, Sci-fi 7.6%
With dozens of hours of gameplay set across a rich tapestry of time, Empire Earth: Gold Edition offers real-time strategy for the ages. Choose any point in time - from the discovery of fire to the laser battles of the future - and command your civilization with one goal: make Earth your Empire.
Why similar: RTS 34.6%, Strategy 33.1%, Wargame 25.7%, Combat 5.7%, Singleplayer 1%
Close Combat is a pausable real-time wargame series, heavily focused on historical accuracy and realistic soldier psychological profiles. In Close Combat: The Longest Day take command of either the Allied Expeditionary Force or Germany’s Wehrmacht.
Why similar: Strategy 38.8%, Simulation 31.1%, RTS 15.9%, Wargame 14.2%
Build and manage your own space company. Design missions, launch satellites, and expand your influence across Earth’s orbit.
Why similar: Space Sim 41%, Strategy 22.6%, Simulation 20.6%, Futuristic 8.1%, Space 4.3%
A real-time modern warfare simulation game on campaign and battle level, Theater Commander features more than a dozen scenarios covering hypothetical conflicts around the globe involving current air, naval and land force from 17 countries.
Why similar: Strategy 36.4%, Wargame 32%, Simulation 31.7%
