
Rocket Engineer is a simulation game about designing and launching your rockets to explore and colonize other worlds. Rocket Engineer offers a gameplay focused on orbital mechanics and colony building.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, Space Sim, Space, Sandbox.

Rocket Engineer is a simulation game about designing and launching your rockets to explore and colonize other worlds. Rocket Engineer offers a gameplay focused on orbital mechanics and colony building.

Scraponauts
You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.

Spaceflight Simulator 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.
You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.
Why similar: Space Sim 25.7%, Flight 16.2%, Sandbox 11.8%, Space 8.7%, Logic 6.3%
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 27%, Flight 15%, Science 12.1%, Sandbox 12%, Space 7.1%
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
Why similar: Space Sim 20.7%, Science 16.3%, Flight 15%, Sandbox 11.1%, Space 8.9%
A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.
Why similar: Space Sim 20.5%, Flight 19.3%, Space 11.8%, Simulation 11.1%, Sandbox 10.5%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 31.1%, Science 16.7%, Sandbox 15.8%, Space 11%, Simulation 6.4%
Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.
Why similar: Space Sim 27.9%, Science 17.6%, Space 7.9%, Base Building 7.8%, Logic 7.5%
Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.
Why similar: Space Sim 22.1%, Sandbox 15.1%, Flight 13.2%, Science 12.3%, Space 10.5%
A co-op starship bridge sim for 6–25 players. Man a station — helm, weapons, sensors, engineering, comms or command — and no one can fly the ship alone. Communicate, coordinate, and survive together.
Why similar: Space Sim 28.4%, Flight 17.4%, Sandbox 14.6%, Science 12.2%, Simulation 9.9%
Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.
Why similar: Space Sim 21.9%, Science 16.7%, Sandbox 10.8%, Base Building 9.1%, Space 8.6%
Realistic space flight simulator.
Why similar: Space Sim 25.5%, Flight 20%, Science 14.5%, Space 10.1%, Sandbox 9.9%
A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.
Why similar: Space Sim 29.6%, Science 15.2%, Base Building 9.3%, Sandbox 9.1%, Space 7.1%
Lead a spaceyard: juggle contracts, design, prototype, and build all types of ships—from single-seat fighters to giant cruisers. Create custom vessels to meet precise client specs, then take the helm yourself to prove their worth.
Why similar: Space Sim 29.8%, Flight 14.6%, Space 12.6%, Sandbox 11.5%, Simulation 9.3%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Space Sim 24.4%, Science 19.4%, Sandbox 15%, Space 14.9%, Simulation 7.6%
Celestarium, an astronomy game where you start as an amateur astronomer. Discover and map planets, sell data to corporates, improve your gear, start your own space agency, manage your own missions, build and fly rockets to discovered bodies. Explore, prosper and expand your presence in space.
Why similar: Science 18.3%, Space Sim 18.3%, Flight 14.8%, Space 11.3%, Management 7.4%
Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.
Why similar: Space Sim 24.1%, Science 18.3%, Sandbox 11.6%, Simulation 11.3%, Space 9.8%
Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.
Why similar: Space Sim 37.3%, Sandbox 14.1%, Science 12.3%, Simulation 10%, Management 7.9%
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 23.2%, Science 11.9%, Sandbox 11.6%, Base Building 9.4%, Space 8.7%
Build ships from scrap and fly them in a gritty space sim. Venture solo or team up. Hunt for parts, haul vital resources, and keep your space agency afloat.
Why similar: Flight 16.2%, Space Sim 15.8%, Science 14.7%, Sandbox 10.8%, Space 8.9%
Super Space Frogs is a 2D physics-based rocket game. Design, Deploy, and Fly awesome rockets. Unlock new technology to build bigger and better ships. Explore the solar system and unlocks the mysteries it holds.
Why similar: Space Sim 30%, Science 12.7%, Sandbox 11.6%, Colony Sim 10%, Physics 6.8%
Launch Window is a single player physics-based automation game where you establish supply chains across an entire solar system using orbital mechanics.
Why similar: Space Sim 25.2%, Flight 14.4%, Sandbox 11.7%, Space 8%, Management 7.1%
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.
Why similar: Space Sim 23.4%, Science 20.4%, Sandbox 13.4%, Space 11.2%, Management 7.9%
Mine resources, build your spaceship, and soar through the skies in this immersive space sandbox. Wire complex machinery to survive the elements, and craft the StellarDrive: a powerful engine that lets you travel faster than light.
Why similar: Space Sim 20.5%, Flight 20.3%, Sandbox 15.3%, Space 13%, Building 7%
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 31.8%, Sandbox 17.2%, Colony Sim 11.2%, Simulation 9.5%, Management 9%
Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.
Why similar: Space Sim 34.4%, Sandbox 15.3%, Space 13.6%, Simulation 13.2%, Physics 6.8%
Logos Orbit is an emergent cosmic tuning simulation where you rewrite the "Logos" of an ever-expanding universe to control the collision and equilibrium of stars. Place gravity-altering Sigils to tune the orbits of star systems on the brink of collapse.
Why similar: Space Sim 24%, Science 19%, Logic 14%, Sandbox 12.8%, Space 11.9%
Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.
Why similar: Space Sim 28.6%, Flight 13.6%, Sandbox 13.5%, Space 10.3%, Base Building 9.7%
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.
Why similar: Space Sim 22.2%, Science 16.8%, Flight 15.8%, Sandbox 9.1%, Base Building 7.7%
A space adventure where you solve the mystery of your past, building a thriving civilization across a distant solar system. Fly your rocket as a commander, grow your colonies and build planet upgrades to conquer this unknown space.
Why similar: Space Sim 31.1%, Flight 16%, Space 11.7%, Colony Sim 9.7%, Simulation 6.4%
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 32%, Flight 22.9%, Sandbox 15.8%, Simulation 8.5%, Logic 8.5%
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 30.8%, Space 18.8%, Sandbox 13.3%, Flight 12.2%, Simulation 8.7%
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.
Why similar: Space Sim 22.1%, Science 20.9%, Sandbox 13.8%, Space 10.7%, Building 6.8%
Build orbital factories, mine asteroids & trade with aliens in this deep space strategy game! Research tech, manage production chains, and choose: peaceful trade or combat when mysterious ships arrive. The ultimate industrial space empire simulator!
Why similar: Science 22.2%, Space Sim 21%, Flight 10%, Management 9.8%, Sandbox 9.4%
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.
Why similar: Space Sim 27.8%, Flight 19.8%, Science 15.3%, Base Building 10.2%, Space 7.8%
Transport cargo in this challenging flight through the void of space! Listen to your co-pilot's warnings; manage your fuel, grapple with gravity physics and meteors. Expand your fleet with brand new, massive ships using the money earned from deliveries!
Why similar: Space Sim 37.8%, Flight 23.7%, Simulation 13.4%, Exploration 7.6%, Space 6.7%
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 19.9%, Sandbox 16.3%, Science 14.3%, Base Building 12.9%, Space 11.3%
Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.
Why similar: Space Sim 23.3%, Flight 20.2%, Science 19.4%, Space 10.8%, Logic 8.7%
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 24.6%, Science 17.3%, Flight 16.9%, Sandbox 14.3%, Space 10.6%
A first-person astronomy simulator built on real astronomical data. Set up, align, and operate your telescope as the sky changes with location, date, and time. Use star charts and bright stars to find targets, then observe the Moon, planets, and faint, distant deep-sky objects through the eyepiece.
Why similar: Space Sim 40.6%, Science 25.3%, Sandbox 9%, Simulation 7%, Physics 6.6%
Interstellar Inn is a 2D hotel building and management sim in space.
Why similar: Space Sim 24.2%, Sandbox 14.6%, Base Building 13.1%, Management 12.7%, Space 9.5%
OnOrbit is a virtual space lab lets you assemble and operate space hardware as if you were actually in space. Make your own craft in a sandbox mode, then simulate its operation as part of the Supernational Space Cooperative (SSC). Climb the ranks and head out to the planets.
Why similar: Space Sim 28.6%, Science 20.6%, Sandbox 13.5%, Flight 11%, Base Building 8.1%
Build rockets and shoot them into space. Once you reach orbit, you are halfway to explore anywhere in the Solar System.
Why similar: Space Sim 37.9%, Science 17.5%, Space 17.3%, Simulation 12.4%, Exploration 8.9%
Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌
Why similar: Space Sim 29.7%, Sandbox 13%, Colony Sim 12.4%, Base Building 11.5%, Simulation 7.3%
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Why similar: Space Sim 41.1%, Sandbox 21.6%, Simulation 14.7%, Physics 10.4%, Space 9.1%
Orbital Salvager is a 2D space arcade simulation about mastering orbital mechanics to recover salvage ships from planetary orbit and deliver them to a salvage depot on time. Tether and tow salvage in various orbital patterns, manage fuel, and avoid obstacles in the daily and campaign modes.
Why similar: Space Sim 37.5%, Flight 25.5%, Space 14.8%, Simulation 8.6%, Physics 6.6%
A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.
Why similar: Space Sim 23.3%, Colony Sim 12.8%, Base Building 12.2%, Sandbox 11.6%, Management 9.1%
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 25.6%, Flight 16.7%, Sandbox 11.8%, Space 9.6%, Management 6.6%
Build, host, and survive in a persistent multiplayer space sandbox set in the outer Sol system. Construct orbital habitats, manage fragile station systems, and keep your crew alive while expanding through zero-g, Saturn-ring danger, and player-built infrastructure.
Why similar: Flight 23.7%, Space Sim 17.5%, Sandbox 14.8%, Management 9.1%, Exploration 7.2%
Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.
Why similar: Science 21.3%, Space Sim 19.8%, Sandbox 11.8%, Base Building 11.4%, Space 9.7%
Design real rocket engines with real physics, no black boxes. You're an underpaid engineer at Mecodyne, building engines that fire only if they'd work for real, without regard for your safety. A serious engineering sim that teaches by doing. Built solo.
Why similar: Science 17.3%, Sandbox 15.2%, Space Sim 14%, Flight 13.3%, Space 10.1%
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
Why similar: Space Sim 21.5%, Science 16.7%, Flight 15%, Simulation 14%, Sandbox 12.4%
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 27.1%, Sandbox 18.3%, Management 13.9%, Space 11.9%, Exploration 10%
IMPACT is an immersive sci-fi game set on the Moon. Build and manage a lunar base, generating valuable scientific data along the way. This data is used by the European Space Agency to train a real AI that will eventually land on the Moon.
Why similar: Space Sim 28.1%, Science 18.7%, Colony Sim 11.4%, Space 9.3%, Base Building 8.3%
In GravBoost, gravity is your greatest ally and your deadliest foe. Master the art of the gravitational slingshot to intercept orbital targets. Manage your fuel and time wisely in this physics-driven space sim where precision is the only way to survive the cosmic pull.
Why similar: Space Sim 39.1%, Flight 22.8%, Simulation 12.2%, Physics 10.3%, Space 9.2%
Pilot your ship through a perilous black hole system in this Space Action RPG. Engage in advanced ship combat, haul rare elements, and upgrade your vessel to survive. Stunning visuals, a deep narrative, and a rewarding progression system await as you uncover the abyss's dark secrets.
Why similar: Space Sim 26.7%, Science 17.5%, Sandbox 12.8%, Space 10%, Simulation 6.2%
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 22.5%, Sandbox 12.2%, Colony Sim 11%, Base Building 11%, Space 9.6%
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
Why similar: Space Sim 33.5%, Flight 30.5%, Space 10.6%, Simulation 7.4%, Exploration 5.3%
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.
Why similar: Space Sim 28.2%, Flight 21.2%, Science 17.6%, Space 11.1%, Simulation 6.6%
Star Paws is a space simulator with sandbox elements. In this game, you play as an astronaut cat. Your goal is to develop your own space program. Build a spacecraft from a variety of components and venture in search for a strange signal coming from a distant deep corner of the Solar System!
Why similar: Space Sim 30.1%, Science 21.6%, Flight 13.6%, Sandbox 12.2%, Space 10.2%
The existence of all mankind is under threat. You are the only hope!
Why similar: Space Sim 32.8%, Science 21.5%, Space 14.5%, Simulation 11.1%, Management 7.7%
You're the only human in a huge, robotic space ship, flying at incredible speeds through deep space. Your mission: find and settle a new planet where humanity can thrive. Combat is inevitable, but you'll need more than flying skills to succeed.
Why similar: Space Sim 35.6%, Flight 32.3%, Space 14%, Simulation 10.7%, 2D 4%