Top similar games like Orbit HD:

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.

Create and destroy on a scale you’ve never imagined!

Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.

Come with us now on a journey through music and space... To the world of VOYAGER ◯∘ A minimalist, relaxing & atmospheric experience to chill out to for a while…

Curiosmos is a whimsical space sim where you build your own solar system by crafting planets, gravity, atmosphere, and life! Embark on an adventure to discover the secrets of the universe in this charming ode to outer space ✶

A challenging Suika-like with no ground and an end

Grow from a tiny particle into a cosmic force in this arcade-style level-up game. Absorb matter, gain abilities, and consume the universe in a fast-paced journey of endless growth and transformation.

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.

Embark on humanity’s greatest journey to the Moon with Lunaris. Take on the role of an astronaut navigating NASA’s Apollo missions, from the roaring launch of Saturn V to stepping on the lunar surface. Experience the triumphs, challenges, and legacy of space exploration in this immersive simulator.

Do you enjoy playing around with the physics in games? Then this is the game for you. Stack Masters is built around exploring that concept in a competitive way. Including a built in level editor and Steam Workshop support, the game offers a never ending supply of physics sandbox gameplay to explore.

ToT: Experiment is a sci-fi short story game set on a remote ship wandering through space. Without any memories or recollection of his past our hero is tasked by the ship AI - AR.I.A. to perform daily tasks, that will help to maintain the ship.

The player takes on the role of a grandchild who arrives at the apartment of their recently deceased grandmother. Like many from the older generation

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

A toy for stacking bricks. Be the creative you always were.

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

Ensure the moon is safe for humanity’s lunar settlement! Explore the moon as a Lunar Rover and interact with crashed ships, natural resources, and the nearby landmarks to determine if humans can live here!

The House in the Forest is a short, first-person exploration game about a family who moved out to go live a lonely life. You'll play as a person who got lost on the way back to his house ends up discovering clean but an abandoned house.

Be ready to get your hands really dirty. In this game you will have to do things that others find too disgusting. Sewage, excrements and blood are just a few examples of what awaits you. You need to be careful or else you will catch an infection. Staying in the hospital means the end of work.

A lovely and emotional 3rd-person puzzle game centered on Kara: a young woman who deals with a painful past experience. Armed with her elemental skill, help her try to find her way across a mysterious land and put an end to this pain.

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

An orbital mashup of physics, puzzles, and business simulation! Navigate packages through a galaxy using gravity and tools like slingshots, mass drivers, and cannons. Create your own levels & share them with the world via Steam Workshop. The ultimate space delivery challenge awaits!

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

Explore the cosmos with your furry friend and collect antimatter to open portals to different celestial worlds. Use gravity and momentum to navigate through planets, asteroids, and comets while avoiding black holes and space debris.

Dynamic abstract sandbox universe. Changes and evolves as you do.

Immerse yourself in a breathtaking virtual reality setting and practice your Disc Golf skills in the comfort of your own home.

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.

If you have ever thought of becoming a doctor – here is your chance! Arm yourself in a stethoscope and do a ward round to keep up to date with your patients’ condition. They may complain and question your authority but remember – you’re the doctor!

From stardust to cosmic sovereign! In this unique space game, evolve by devouring everything. Grow from a tiny rock into a massive galaxy. Each swallow brings growth, each evolution brings victory. Unlock the universe's ultimate secrets!

Search for valuable items stashed in abandoned barns. Take part in storage auctions, bid high and buy yourself a chance to find exclusive items hidden in the past.

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.

Build balance, one stone at a time. Stack stones into tranquil cairns in this meditative physics-based puzzle game. Explore serene landscapes, master gravity and patience, and create harmony through careful placement. No timers. No stress. Just you and the stones.

Existential Nature Simulation

Planetarium for VR to learn about the stars, constellations, and deep sky objects from the Messier, Caldwell, Herschel400, NGC, IC, Sharpless, and Arp catalogs. Learn the positions of stars and the Messier objects; play the minesweeper in VR in a polyhedron.

Pilot the last vessel of a fallen civilization into the vast expanse of space. Collect resources and search for a new world to call home in this minimalist space exploration and survival game.

You are a UFO. Your target: anything that moves and isn't properly secured. Pilot the UFO, sow chaos, and abduct everything! Equipped with a powerful gravity beam, destruction physics, and deep ship upgrades. Abduct cows, cars, and people in this insane cosmic abduction simulator. Earth isn't ready!

Superflight is an intense, easy to learn wingsuit game with an infinite number of beautiful procedurally generated maps. A great game to relax for half an hour and chase your latest highscore!