Top similar games like Rela:

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.

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

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.

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.

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.

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.

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?

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.

Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.

Space Simulator and Music Machine!

Tinker with circuits or program a robot in your dream workshop. Open up the door of your workshop and meet your community in Wijita: City of Makers.

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 exportable data functions.

Welcome to the Training Day on Mars! In this free version of our advanced simulator you will learn everything you need to know about repairing and maintaining Mars Rovers.

Create physics-based sea creatures and discover evolution through surprising challenges! Control, test, and share your creatures made with our flexible building system! Evolution is full of quirky surprises, can you be more creative than nature it self?

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

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 ✶

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.

Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.

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 bright afternoon, perfect weather. With your parents away, you’re left with a rocket toy you received as a birthday gift. Build your own rocket and launch it high into the sky! Enjoy delicious homemade meals and work part-time jobs to upgrade your rocket. Can your rocket reach outer space?

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

Control gravity, orbit around black holes, and have fun mastering physics with your car in space! With this educational puzzle game, only your genius and your analytical skills can get you out of trouble after a painful car crash on the Moon!

Build the digital machines you've always dreamed of! With some patience, love for digital electronics, and a good amount of problem-solving skills, you can create any combinational or sequential circuit in no time, thanks to the user-friendly interface and integrated voxel-editing tools.

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.

"Falling sand" style particle sandbox, now with circuits and stickmen!

A casual 2.5D physics oriented game about building unorthodox contraptions to solve puzzles with a variety of items at disposal

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.

This is a serious game. Made for educational purposes. It was made in order to enable students to understand the high school chemistry curriculum and to provide equality of opportunity.

Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.

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.

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.

“Escape the Lab” – Virtual Reality experience of an Escape Room that focuses on realistic chemical experiments.

Shortcuit is an educational sandbox game to learn electronics and Arduino programming (C++). The game simulates electronics and the Arduino microcontroller which allow you to create your own projects virtually.

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.

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.

Biosphere Simulator is a planetary god game sandbox where you guide a dead volcanic world through billions of years of evolution. Seed life, shape ecosystems, unleash cataclysms, and watch civilizations rise from primordial microbes to spacefaring societies.