Games Like Immortal Space God

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 31.7%, Sandbox 15.9%, Simulation 11.4%, Strategy 9.1%, Open World 8.6%

Worlds Of The Future is a sci-fi open world, action/adventure game. Explore a fully seamless solar system full of adventures, mysteries and colorful characters. Build your space delivery company, climb the company rankings and become a legend among the worlds!

Why similar: Space Sim 34.1%, Sandbox 15.6%, Open World 9.3%, Aliens 7.4%, Space 7%

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.

Why similar: Space Sim 37.2%, RTS 18.5%, Simulation 10.9%, Strategy 10.7%, Aliens 8.1%

HIRED STARS is an isometric single player RTS game in an open, randomly generated sandbox universe. You take control of a small mercenary force. Plunder trade routes, attack pirates, fight the Empire or follow the story. Conquer or buy new ships and equipment. Recruit new captains and level them.

Why similar: Space Sim 26.6%, RTS 16.2%, Sandbox 10.8%, Open World 8.6%, Management 8.1%

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 33.5%, Sandbox 12.4%, Aliens 12.1%, Space 8%, Simulation 7.9%

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 29.9%, Aliens 16.4%, War 10.6%, RTS 10.5%, Space 8.9%

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 39.7%, Simulation 14.7%, Strategy 11.4%, Base Building 8.5%, Space 7.5%

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 41.7%, Aliens 17.3%, Management 11.3%, Space 10.2%, Simulation 10.1%

You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!

Why similar: Space Sim 44.9%, Sandbox 19.5%, Exploration 10%, Open World 9%, Simulation 5.7%

Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.

Why similar: Space Sim 27%, Sandbox 19.3%, Open World 13.9%, Space 10%, Base Building 9.8%

Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?

Why similar: Space Sim 27.7%, Sandbox 17.5%, Management 13.7%, Open World 9.9%, Exploration 9.7%

A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!

Why similar: Space Sim 33.5%, Sandbox 16.4%, Simulation 12.6%, Strategy 10.2%, Management 8.1%

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!

Why similar: Space Sim 20.6%, Open World 18.6%, Space 16.3%, Sandbox 15.2%, Exploration 10.2%

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 40.1%, RTS 14.1%, Sci-fi 8%, Exploration 6.8%, Space 6.6%

Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.

Why similar: Space Sim 40%, Space 16.2%, Open World 12.4%, Sci-fi 9.7%, Action 8.3%

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: Space Sim 22.7%, Sandbox 11.5%, Base Building 11.4%, Open World 9.4%, Management 8.7%

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 24.3%, Simulation 13.3%, RTS 13%, Strategy 11.5%, Base Building 9.6%

Dive into a hardcore space station simulation and overcome the unforgiving environment of space. You must build and manage your station under the pressures of life, economics, and thermodynamics. Rise to power through economic leverage or ruthless military might.

Why similar: Space Sim 35.3%, Sandbox 17.9%, Simulation 10%, Management 9.5%, Strategy 6%

Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

Why similar: Space Sim 26.7%, Sandbox 11.5%, Moddable 10.7% ★, Open World 9.9%, Space 7.6%

Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.

Why similar: Space Sim 20.6%, Aliens 13.4%, Open World 11.9%, RTS 11.8%, Sandbox 9.2%

Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!

Why similar: Space Sim 35.2%, Sandbox 12.9%, Open World 12.4%, Space 9%, Sci-fi 7.5%

Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

Why similar: Space Sim 21.7%, Base Building 11%, Moddable 10.9% ★, Sandbox 10.8%, Open World 10.1%

Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

Why similar: Space Sim 26.1%, RTS 12.4%, Sandbox 11.3%, Open World 10.5%, Moddable 10.4% ★

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 33.6%, Space 14.5%, Sandbox 10.8%, Simulation 9.3%, Open World 7.1%

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 36%, Simulation 15.7%, Space 13.2%, Sandbox 12.8%, Strategy 9.2%

Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.

Why similar: Space Sim 43.6%, Open World 15.1%, Space 11.5%, Sandbox 7%, Sci-fi 6.8%

A sudden, devastating strike has reduced your interstellar voyage to ruins. As the sole survivor in X SPACE, you must rebuild your space base from scratch, assemble a versatile fleet, and pilot your massive mobile fortress into the depths of the universe.

Why similar: Space Sim 23.9%, Sandbox 13.3%, Open World 12.7%, Base Building 10.3%, Management 8.5%

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

Why similar: Space Sim 26.8%, Space 18.7%, Simulation 14.5%, Sandbox 11.4%, Sci-fi 10.1%

Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.

Why similar: Space Sim 35.8%, Sandbox 17.4%, Simulation 13.5%, Management 8.6%, Strategy 7.2%

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 27.1%, RTS 18.7%, Space 11.5%, Strategy 10.8%, Aliens 9.4%

X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.

Why similar: Space Sim 34.2%, Space 15.7%, Sandbox 13.8%, Simulation 9.1%, Open World 8.8%

Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

Why similar: Space Sim 24.6%, Moddable 12.4% ★, Sandbox 11%, Open World 10.3%, Space 7.4%

Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

Why similar: Space Sim 26%, Moddable 13.5% ★, Sandbox 12%, Open World 10.8%, Base Building 10.7%

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 46.6%, Simulation 15.8%, Open World 9.4%, Exploration 8.9%, Space 6.9%

It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

Why similar: Space Sim 27.4%, Space 17.8%, Sandbox 14.8%, Open World 10.3%, Simulation 9.7%

Build, Fly, and Survive. StarDune combines tactile, modular construction with seamless space travel. Reshape vibrant voxel planets, automate your outposts, and explore a procedurally generated solar system alone or with friends in a world that’s yours to mold.

Why similar: Space Sim 36.4%, Sandbox 17.8%, Base Building 13.4%, Open World 11.5%, Exploration 7.2%

Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.

Why similar: Space Sim 37.2%, Sandbox 15%, Open World 8.3%, Simulation 8.2%, Space 7.2%

A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.

Why similar: Space Sim 32.6%, Sandbox 14.3%, Open World 13.9%, Base Building 11.1%, Space 9.5%

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 39.6%, RTS 15.5%, Management 11.8%, Simulation 9.9%, Strategy 8%

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 31.9%, RTS 21.4%, Aliens 12.4%, Post-apocalyptic 9%, Strategy 7.1%

Build a colony on an alien planet. Supply settlers, defend against meteors, upgrade your base, develop your economy, and fight for survival.

Why similar: Space Sim 35.4%, Sandbox 14.8%, Simulation 13.6%, Strategy 10.6%, Base Building 6.7%

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 32.8%, RTS 22.3%, Simulation 12.2%, Strategy 9.9%, Action 8%

A fantasy space agency management game! Manage your team, design your space ship and research new technology! Reach moons, planets and the void beyond. Can you reach the void? Can you bring Galduen to the void?

Why similar: Space Sim 40.6%, Management 15.1%, Space 12.2%, Exploration 10.2%, Sci-fi 7.2%

X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

Why similar: Space Sim 28.1%, Space 16.2%, Sandbox 12.3%, Open World 11.6%, Simulation 9.3%

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.

Why similar: Space Sim 24.8%, RTS 12.5%, Sandbox 11.6%, Aliens 11.3%, Open World 9.1%

Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.

Why similar: Space Sim 48.6%, Simulation 15.8%, Open World 13.8%, Space 11.2%, Exploration 9.5%

Engage in the construction of your station from a variety of different modules. Create your space fleet. Protect your base from enemies...

Why similar: Space Sim 19.9%, Aliens 12.6%, RTS 12.5%, Simulation 11.8%, Sandbox 10.6%

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

Why similar: Space Sim 32.9%, Sandbox 13.5%, Base Building 13.2%, Open World 11.9%, Simulation 7.7%

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?

Why similar: Space Sim 28.8%, Sandbox 15.3%, Base Building 12.1%, Open World 10.5%, Space 8.8%

A game about an alien that has to abduct things to pay rent!

Why similar: Space Sim 37.3%, Aliens 27.5%, Simulation 13.4%, Space 7.3%, Sci-fi 7.2%

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Why similar: Space Sim 49.5%, Simulation 17.8%, Open World 12.2%, Space 10.4%, Exploration 9.3%

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 38.6%, Simulation 13.7%, Strategy 12.9%, Base Building 10.8%, Sandbox 10%

Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.

Why similar: Space Sim 25.4%, Sandbox 19.9%, Open World 13.9%, Space 13.8%, Simulation 11%

Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.

Why similar: Space Sim 33.8%, Open World 13.2%, Aliens 12.3%, Sandbox 11.7%, Space 9.1%

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: Space Sim 21%, RTS 19.9%, Space 15.5%, Simulation 14.5%, Strategy 12.8%

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.

Why similar: Space Sim 37.2%, Space 17%, Sandbox 16.2%, Open World 13.2%, Simulation 10%

A grounded sci-fi station builder where you hold failing systems together while pursued by a relentless, energy-hungry swarm. As a fleet on the run, drop into hostile systems, gather what you can, and jump away before you are overwhelmed. Try to survive long enough to secure a future for humanity.

Why similar: Space Sim 34.1%, Base Building 16.2%, RTS 12.3%, Space 8.8%, Sci-fi 8.1%

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 27.9%, RTS 18.2%, Aliens 12.9%, War 7.2%, Simulation 6.6%

Can you deliver the goods? Board your spaceship and go!

Why similar: Space Sim 40.1%, Sandbox 19.9%, Aliens 17.3%, Simulation 15.6%, Sci-fi 6.2%

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

Why similar: Space Sim 26.3%, Open World 15.4%, Space 14.5%, Sandbox 12.4%, Simulation 10%