Games Like GravBoost

Master physics in this hardcore orbital simulator where Einstein’s theories come to life. Plot trajectories and manipulate spacetime via general relativity, time dilation, and length contraction. Command your starship, outrun time, and explore a universe governed by real physics.

Why similar: Space Sim 36.3%, Flight 23%, Simulation 16.8%, Physics 8.8%, Minimalist 6.9%

In a star system with three stars exhibiting the three-body problem, pilot Earth equipped with massive nuclear fusion engines. Players must strategically toggle multiple engines on and off to keep Earth's orbit within the habitable zone, ensuring the continued development of human civilization.

Why similar: Space Sim 35.7%, Flight 22.8%, Simulation 16.2%, Space 7.6%, Physics 7.5%

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 35.8%, Flight 22.6%, Space 12.9%, Physics 12.9%, Simulation 10.2%

Master spaceflight and progress through realistic orbital mechanics challenges of increasing complexity. Plot maneuvers to coordinate transfer orbits, gravity assists, and high-stakes rendezvous.

Why similar: Space Sim 24.3%, Physics 17.6%, Simulation 17.5%, Space 13.2%, Top-Down 10%

A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.

Why similar: Space Sim 39.4%, Physics 20.4%, Simulation 20.1%, Space 10.9%, Sci-fi 4.4%

Homeplanet is a space combat simulator with Newtonian physics and a story-driven campaign. Step into the boots of a combat pilot of the Troiden clan! Take part in the saga of exile from your home world—and the struggle to conquer a new one.

Why similar: Space Sim 39.7%, Flight 22.5%, Physics 14.4%, Space 11.7%, Simulation 8.7%

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 38.7%, Flight 22.5%, Simulation 17.1%, Physics 8%, Space 6.3%

Leaving the formation is a story-driven sci-fi combat simulation based on honest Newtonian flight physics.

Why similar: Space Sim 40.9%, Flight 21.2%, Simulation 13.9%, Space 12%, Physics 7.1%

Who needs gas when you've got gravity? Casual space flight enhanced with "borrowed" alien tech! Controller and Keyboard flight support

Why similar: Space Sim 35.8%, Flight 17.8%, Simulation 16.4%, Top-Down 8.1%, Space 7.5%

A space theme of a small casual shooting game. There are two perspectives, the character and the ship. The player can control the character/ship, dodge or shoot enemies, and replenish energy and various items consumed by collecting. Collect discarded parts and items to enhance character abilities.

Why similar: Space Sim 34.8%, Flight 27.9%, Space 12.2%, Top-Down 8.7%, Top-Down Shooter 6.6%

Sling shot explosive nuclear warheads into collision course with your planetary assassination targets. Using the gravitation of a planet against itself, while navigating your payload around asteroids, moons and even Black Holes for devastating effect!

Why similar: Space Sim 36.1%, Physics 20.8%, Space 13.6%, Top-Down 10.3%, Simulation 8.8%

A 2D pixel-art score-chaser built on real orbital mechanics. Launch, pitch over, coast, and circularise into the exact orbit each contract asks for, then hold it for one full lap before the fuel runs out. Ten missions, three hulls, and a gold tier tuned past the developers' own autopilot.

Why similar: Space Sim 35.4%, Flight 22.4%, Simulation 16.6%, Physics 8.4%, Space 7.2%

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 36.3%, Flight 30.5%, Simulation 13.6%, Space 13%, Sci-fi 3.6%

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 45%, Simulation 20.8%, Physics 19.8%, Space 12.7%, Indie 1%

Guardian Above the Domes is a real-time artillery game built around realistic orbital mechanics. Bombard the enemy from a lone space station, defend the last domed cities on an airless planet, and uncover its lost history alongside a cat-shaped AI.

Why similar: Space Sim 38.7%, Physics 17.2%, Flight 13%, Simulation 12.2%, Space 7.5%

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 34.7%, Flight 29.3%, Physics 10.5%, Space 10%, Simulation 9.6%

Every button is a thruster. The rest is physics. Land your rocket without crashing. Play solo, or put a friend on each thruster and watch teamwork turn to chaos.

Why similar: Space Sim 36.1%, Flight 23.9%, Simulation 11.9%, Physics 7.7%, Minimalist 7.2%

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 44.1%, Physics 22.9%, Simulation 19.7%, Space 9.4%, 2D 2.1%

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 35%, Physics 16.1%, Flight 15.9%, Simulation 13.7%, Space 13.5%

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 34.4%, Flight 16.4%, Space 11.8%, Physics 10.6%, Simulation 8.9%

This is a rocket flight simulation game. You will control a rocket by left and right engines to fly in space and try to land on target platform, while enjoying beautiful nebulas and ambient music.

Why similar: Space Sim 44.2%, Flight 25.3%, Physics 11.9%, Space 11.4%, Casual 2.7%

Set off into space on your personal spaceship and rescue all the lost catstronauts! Navigate through flying obstacles while managing fuel and health. Don’t forget to watch your ship’s weight — it affects your maneuverability. Enjoy a relaxing gameplay experience with pixel art and cozy cosmic vibes!

Why similar: Space Sim 30.9%, Flight 23.1%, Physics 15.7%, Space 10.6%, Top-Down 8.1%

Low Earth Orbit Adventures is a chill space sim set in the near future where the space around Earth has become a frontier of science, commerce and diplomacy. Retrieve the Hubble, rescue astronauts, assemble space stations and many other missions in this realistic but friendly adventure.

Why similar: Space Sim 42.8%, Flight 21.4%, Physics 17.9%, Simulation 7.9%, Space 6.6%

Jump into hyper speed and hold tight as you experience this galactic ride. Mars, Venus, Earth, the Stars and much more as you dive deeper into space. Remember the galaxy is vast and your journey starts here.

Why similar: Space Sim 37%, Flight 31.8%, Space 13.4%, Simulation 12.6%, Casual 2.8%

Explore every star system, orbit numerous stars, maneuver to various planets, and survive asteroids the longest aboard countless miniaturized rockets in Rocket Hit.

Why similar: Space Sim 52.4%, Physics 13%, Top-Down 11.5%, Minimalist 11.4%, Space 7.7%

A physics-based lander about precision flying and chaos. Explore Titan’s mines, land on the Moon, deliver kebabs across space and test your relationship in 2-player “Divorce Mode” with chain-linked spacecraft.

Why similar: Space Sim 38.1%, Flight 24.2%, Simulation 18.3%, Physics 9.1%, Space 7%

Mardori is a spaceshooter game with aspects of ARPG's. Upgrade your ship with various materials from missions, craft your equipment with damage or defense mods., create new weapons using blueprints, unlock new missions with Stargate.

Why similar: Space Sim 34.8%, Flight 21.3%, Simulation 13.4%, Space 12.9%, Top-Down 9.4%

Sector One takes you on a journey through 6 different worlds, where your goal is to fly your spaceship as long as you can, neutralizing enemies on the way. Each world offers a unique visual experience but also comes with different kinds of challenges that you need to overcome.

Why similar: Space Sim 39.1%, Flight 24.9%, Simulation 11.7%, Physics 10.4%, Space 8.6%

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 36.5%, Flight 21.4%, Space 11.3%, Simulation 10.8%, Physics 6.4%

A single player space game where you fly a rocket around a tiny solar system with realistic physics, including take off, orbiting, orbital transfers and landings. Help settling other planets and moons. No time limits, no stress. If you crash you just get rescued.

Why similar: Space Sim 24.3%, Flight 22.3%, Physics 18.5%, Space 12.5%, Simulation 11.2%

Still confused and checking the fuel gauge mid-flight? Struggling to find the target when flying under a planet? Sorry, its all on the author! Due to low player numbers and the my internships, theres been no game update. If you enjoy it and have ideas for improvement, leave a comment or email us.

Why similar: Space Sim 36.9%, Flight 24.1%, Physics 14.8%, Space 11.9%, Simulation 8.5%

A "small" universe simulation, where you play as a black hole and try to absorb the whole universe. You decide the size and shape of the universe. Could also be used as a less meaningful CPU benchmark.

Why similar: Space Sim 51.3%, Simulation 17.8%, Space 15%, Physics 13.9%, Indie 1.3%

Build and upgrade your personal ship to travel around a strange planet.

Why similar: Space Sim 39.8%, Simulation 17.4%, Physics 13.3%, Space 12.2%, Flight 10.5%

Nibiru Voyage is a classic scrolling game with weapon upgrades and hordes of enemy ships.

Why similar: Space Sim 38.4%, Flight 26.4%, Simulation 13.1%, Top-Down 8.1%, Space 7.2%

A hardcore flight simulator for VR! Get in the cockpit, pilot a ship, and navigate hazardous environments on a journey to become an expert docker!

Why similar: Space Sim 29.9%, Flight 25.6%, Physics 14.8%, Space 12.2%, Simulation 11%

Arcade space shooter. You are a courier with one package to deliver across a broken galaxy. Plane-like flight, fights with pirates, the old army and aliens in a 20+ mission story campaign. Pick your ship and mods between missions. No grind, no filler.

Why similar: Flight 31%, Space Sim 26.9%, Physics 16.5%, Space 12.5%, Simulation 9.9%

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 63.6%, Simulation 24.7%, Space 11.7%

A single-player 2D top-down pixel game with space physics. Mine asteroids in the middle of an asteroid field using manual controls or by directing mining drones. Protect the outpost, buy from trading ships, mine as much ore as you can and survive as long as possible! Do you have what it takes?

Why similar: Space Sim 27.7%, Flight 20.3%, Physics 15.4%, Space 11.2%, Top-Down 9.1%

Velocity-driven arcade action!

Why similar: Space Sim 36.6%, Physics 15.4%, Space 12.9%, Flight 10.4%, Top-Down 7.9%

Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!

Why similar: Space Sim 36.7%, Simulation 21.3%, Physics 20.1%, Space 14.9%, Casual 2.8%

Inertial is a 2D arcade space racer. Race against the clock or against your friends in this reality-adjacent racing experience. No speed ceilings, no warped physics, just realistic gravity, thrust and skill.

Why similar: Space Sim 34.5%, Simulation 16.1%, Flight 15.6%, Physics 7.3%, Top-Down 7.2%

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 56.3%, Simulation 27.6%, Space 16.1%

Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?

Why similar: Space Sim 54%, Space 16%, Simulation 14.3%, Flight 11.8%, Sci-fi 2.3%

Two players. One ship. Infinite chaos. Deliver cargo across the galaxy, upgrade your ship, and try not to explode — or each other.

Why similar: Space Sim 37.2%, Flight 31.4%, Space 13.4%, Simulation 11.4%, Sci-fi 3.5%

Ounba is a 3D arcade action game where you pilot a high-speed spaceship inside a huge futuristic tube. Dodge obstacles, fight enemies, shoot, collect resources, and try to beat your best score and the scores of other players! 🚀

Why similar: Space Sim 37.7%, Flight 23%, Simulation 15.4%, Physics 14.9%, Sci-fi 4.4%

Plan your flight path, execute a perfect flip-and-burn manoeuvre and pray that your hull survives any impact in this space flight simulation/racing game. Can you avoid collision and finish your flight?

Why similar: Space Sim 36.2%, Flight 21.7%, Physics 19.4%, Space 6.7%, Simulation 6.4%

This is a simulation based upon real physics. Its specifically for use with 3D headsets such as the HTC Vive and Oculus quest. It gives you a 3D perspective of how gravity works and interacts on all the bodies in a solar system. You can experiment with creating your own solar system.

Why similar: Space Sim 39.1%, Flight 22.9%, Simulation 18.8%, Physics 12.6%, Space 6.2%

Navigate star systems using real orbital mechanics. Pilot a cockpit with controls inspired by the Apollo command module. Manage heat, energy, and trajectory.

Why similar: Space Sim 33.9%, Flight 26.9%, Physics 17.6%, Space 9%, Simulation 7.5%

Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!

Why similar: Space Sim 48.5%, Physics 18.8%, Space 14.2%, Simulation 12.7%, Casual 2.5%

Launch. Slingshot. Crash. Repeat. Slingshot is a pixel-art orbital mechanics arcade about gravity, fuel, and perfect timing. Chain flybys across eight planets, reach escape velocity, and tune in to Spacify : 12 destinations, 12 soundtracks, 100+ achievements.

Why similar: Space Sim 50.7%, Physics 24.1%, Space 16.9%, Indie 4.3%, 2D 4%

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.

Why similar: Space Sim 46.2%, Flight 16.8%, Space 16%, Simulation 13.9%, Sci-fi 4.3%

Physics-based arcade, top-down space shooter. Pilot the Salvager, collect salvage to upgrade your ship, balancing an economy by mining asteroids and fending off waves of enemy ships, ultimately growing so large as to destroy planets.

Why similar: Space Sim 37.9%, Flight 23.7%, Top-Down Shooter 8.9%, Top-Down 7.8%, Space 7.1%

We have built a mini universe with real physics basis, simulation and imagination. The game uses realistic environments and models to tell a story of a mini universe.

Why similar: Space Sim 45.1%, Space 13.9%, Flight 13.1%, Simulation 10.6%, Physics 7.7%

Repair satellites in orbit. Reduce space debris. And enjoy the view. Void Tech is space repair simulation game, where every mission extends satellite life and restores critical infrastructure.

Why similar: Space Sim 38.3%, Physics 20.1%, Space 17.3%, Simulation 12.8%, Sci-fi 8.2%

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 42.9%, Simulation 20.6%, Physics 17.4%, Space 15.4%, Sci-fi 3.3%

Discover a beautiful and brutal universe through three immersive stories. Champion blazing fast dog-fights, Out wit aggressive defense systems and overcome constant overwhelming odds. This is your goal, this is your duty, this is your way of life...

Why similar: Space Sim 35.1%, Flight 22.6%, Simulation 21.3%, Space 11.7%, Sci-fi 5.6%

Spaceflight add-on for Microsoft Flight Simulator X

Why similar: Space Sim 46.9%, Simulation 34.8%, Space 18.3%

Humanity is gone, but the machines never stopped producing, and now there's cargo to move. As a robot space trucker, you’ll jump between systems, navigate astronomical planetary distances, upgrade your junk-hauler, and keep the galaxy's commerce alive. People may be gone but the job's never done!

Why similar: Space Sim 41.2%, Flight 26.5%, Simulation 17.9%, Space 6.9%, Physics 6.4%

"Sirius-4" is a plot-oriented space simulator that gives the player complete freedom of action as a hired pilot of the "Sirius" unit. The action takes place on the outskirts of human space during a turbulent time for the galaxy after a global war.

Why similar: Space Sim 41.5%, Flight 27%, Simulation 19.4%, Space 10.6%, Indie 1%

Blast and dodge asteroids while trying to collect fuel and ammunition to continue the onslaught, while your ship is slowed and damaged by the various shrapnel of the very combat you engage in!

Why similar: Space Sim 33.1%, Flight 22.3%, Simulation 10.2%, Top-Down Shooter 8.1%, Top-Down 8%