Top similar games like Planets in a Box:

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

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

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

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.

Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.

Collide planets and disrupt solar systems in a space simulator built on Newtonian N-body gravity. Create your own worlds, change their mass, rotation, and atmospheres, and watch oceans freeze or evaporate as temperatures change.

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.

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.

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.

Be the dreamer-in-chief of a young space company: set wild goals, push rockets out the door, and watch them reach orbit, the Moon and a space station. Ships from three eras, inside and out. A realistic spaceflight sandbox in a very early, very honest alpha: bugs included, curiosity welcome.

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.

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.

Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!

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.

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.

Realistic space flight simulator.

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.

Build rockets, launch payloads and explore the Solar System in a physics-based space simulation. Unlock parts through launch objectives, develop stations and planetary outposts, then discover orbital mechanics, astronomy and the light-bending gravity of a black hole.

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.

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.

In the 23rd century, Earth orbit is flooded with debris from constant warfare. Countries, megacorporations, and mercenaries are fighting for control. Take contracts, build your warfleets, and dominate the Earth-Luna system in this realism-focused strategy RPG!

Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.

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.

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.

Design custom rockets and master 2D orbital mechanics to navigate a fully simulated solar system. Establish outposts, process local resources to launch interplanetary missions, and manage critical supply lines to keep your colony's workforce alive.

Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.

The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!

Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!

A space sim where you build the industry that produces your rockets, then fly them. Genuinely integrated orbits, aerodynamics solved part by part, procedural planets you can walk. From first mine to first interstellar flight.

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

Draw on a planet and watch physics answer. A climate, ocean and erosion simulator you can edit with a brush — dry the Mediterranean, green the Sahara, stall the Atlantic conveyor. 38 scenarios across the Solar System, Cretaceous Earth and five real exoplanet systems.

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.

An easy to use, fully adjustable space lab with Einstein's special relativity equations in a three-spacecraft configuration. Play around with time dilation and relativistic Doppler effects in space at your own pace. Multiple viewpoints in 3D, real-time, with data export functionality.

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?

A planet-building sandbox where you create entire worlds from the ground up. Generate unique planets, shape vast landscapes, and use interconnected simulations inspired by real-world processes to bring your fantasy planet to life.