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The best Space Sim games · Ludixa
The best Space Sim games
Ranked on the Metacritic score where one exists, and on the number of Steam reviews where it doesn't — because a game judged by a hundred thousand players is not less known than one judged by twenty critics. Titles with neither are left out.
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Kerbal Space Program 2
2023
27,897 reviews
Sandbox · Simulation
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
Cosmoteer: Starship Architect & Commander
2022
11,966 reviews
Indie · Strategy
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!
Spaceflight Simulator
2022
9,348 reviews
Sandbox · Space Sim
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Deliver Us The Moon
2019
7,481 reviews
Adventure · Indie
Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future where Earth's natural resources are depleted. In an effort to solve the energy crisis, global powers created the World Space Agency and secured a promising new source of energy on the moon.
Void Crew
2024
6,546 reviews
Space Sim · Roguelite
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Starbase
2021
6,207 reviews
Open World · Massively Multiplayer
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Exo One
2021
5,038 reviews
Flight · Adventure
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
SpaceBourne 2
2025
4,939 reviews
RPG · Space Sim
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Starcom: Unknown Space
2024
4,429 reviews
Open World · Space Sim
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Chorus
2021
3,843 reviews
Action · Adventure
Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.
Star Traders: Frontiers
2018
3,667 reviews
Simulation · Tactical RPG
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.
Starpoint Gemini Warlords
2017
3,076 reviews
RPG · Open World
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Juno: New Origins
2023
3,073 reviews
Space Sim · Flight
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
Ostranauts
2026
3,035 reviews
Flight · Simulation
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Star Trek: Infinite
2023
3,022 reviews
Grand Strategy · 4X
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Astrometica
2024
2,898 reviews
Space Sim · Survival
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
ΔV: Rings of Saturn
2023
2,864 reviews
Space Sim · Immersive Sim
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Mars Horizon
2020
2,753 reviews
Management · Strategy
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
SpaceCraft
2026
2,565 reviews
Open World · Massively Multiplayer
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Starcom: Nexus
2019
2,268 reviews
RPG · Action
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
House of the Dying Sun
2016
1,935 reviews
Action · Simulation
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Starminer
2026
1,793 reviews
Sandbox · Space Sim
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Take On Mars
2017
1,751 reviews
Simulation · Survival
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
Nimbatus - The Space Drone Constructor
2020
1,751 reviews
Strategy · Adventure
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
The Last Starship
2026
1,614 reviews
Strategy · Sandbox
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!
Executive Assault 2
2023
1,600 reviews
Space Sim · Strategy
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.
Galaxy on Fire 2 Full HD
2012
1,474 reviews
Third-Person Shooter · Space Sim
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
Fractal Block World
2021
1,460 reviews
Open World · FPS
This is a surreal exploration game. Explore a massive fractal with great complexities. You can shrink infinitely to go deeper into the fractal. Or you can become larger by growing. Inner space awaits you in this infinite world.
Interstellar Rift
2020
1,410 reviews
Space Sim · Open World
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Kinetic Void
2014
1,384 reviews
Simulation · Indie
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants. Each module has available subsystems which can be applied to strengthen specific attributes of the ship, and when damaged, those subsystems may be destroyed. While in space flight, interactions between objects are governed by the physics engine. Running into an asteroid at high speed will damage your ship, potentially with catastrophic effects. Using the Kinetic Field Generator (KFG) in game will allow your ship to create an artificial gravity around the ship, both protecting the ship as well as allowing your ship to fly freely through space. This field will also enable the Micro Warp Drive, catapulting your ship far into space in a matter of seconds.
Reentry - A Space Flight Simulator
2025
1,306 reviews
Simulation · Flight
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
Astrometica: Prologue
2024
1,300 reviews
Base Building · Space Sim
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
Astrox Imperium
2019
1,229 reviews
Simulation · Indie
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
Rodina
2014
1,226 reviews
Open World · Indie
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Solar Expanse - Space Exploration Manager
2026
1,209 reviews
Simulation · Sandbox
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Galaxy Idle Clicker
2025
1,202 reviews
Indie · Casual
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!
Tin Can
2020
1,070 reviews
Simulation · Survival
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
Star Hunter - Infinite Lagrange
2021
1,061 reviews
Strategy · Massively Multiplayer
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.
Battlestar Galactica: Scattered Hopes
2026
1,007 reviews
Strategy · Roguelite
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.
Voyager-19
2024
971 reviews
Horror · Puzzle
A short horror game where you control a decaying spacecraft exploring distant star systems.