Top similar games like Kerbal Space Program:

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Kerbal Space Program $39.99

101884April 27, 2015

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.

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The Last Starship$24.99

450Feb 15, 2023

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!

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KitHack Model Club$19.99

493Aug 01, 2024

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

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Kerbal Space Program 2$49.99

25008Feb 24, 2023

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.

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Nimbatus - The Space Drone Constructor$19.99

1684May 14, 2020

Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.

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Mars Horizon$19.99

2624Nov 17, 2020

Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.

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Dyson Sphere Program$19.99

76422Jan 20, 2021

Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

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Mars or Die!$19.99

?Jul 13, 2018

Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

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Spaceflight Simulator$14.99

5721Feb 17, 2022

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

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Juno: New Origins$19.99

2659Jan 26, 2023

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.

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Space Mechanic Simulator$14.99

?Aug 11, 2023

Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.

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Universe Sandbox$29.99

22663Aug 24, 2015

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.

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Tiny Space Academy$4.99

?Mar 25, 2021

Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.

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Empyrion - Galactic Survival$19.99

28093Aug 05, 2020

Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!

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Nimbatus - Drone CreatorFREE

?Apr 30, 2020

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?

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Universal Combat CE$9.99

?Feb 06, 2015

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

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Triton Survival$14.99

?May 02, 2019

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?

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RimWorld$34.99

173181Oct 17, 2018

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

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Space Haven$22.99

8041May 21, 2020

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.

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Rover Mechanic Simulator: Training DayFREE

?May 21, 2020

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.

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Rover Mechanic Simulator$11.99

347Nov 12, 2020

As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.

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Automation - The Car Company Tycoon Game$29.99

12776Mar 12, 2015

Make your dream cars a reality with Automation’s unparalleled car and engine design tools. Gain a competitive edge through smart engineering and business decisions to help you build an automotive empire. Will you become an industry leader, or just a footnote in automotive history?

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Mars First Logistics$19.99

1070Jun 21, 2023

Build physically simulated rovers and transport awkwardly shaped cargo across the surface of Mars. Earn funds, unlock new parts, and use your ingenuity to help the martians establish a new home. Playable solo or in online co-op!

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Satellite Command$9.99

?Dec 16, 2016

Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!

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Gratuitous Space Battles$14.99

518Nov 16, 2009

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

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Solar System Simulator$7.99

?Mar 22, 2024

Gravity and exploration sandbox

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Void Destroyer 2$9.99

621Feb 06, 2020

Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

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Junkyard Simulator$19.99

1666Oct 13, 2021

Did you ever wish to work in a junkyard? Now you can, with Junkyard Simulator. They are many roads leading to success - whichever you take depends on your decisions.

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Poly Bridge 2$14.99

7350May 28, 2020

The acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun!

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Deep Sixed$4.99

?Feb 12, 2018

Deep Sixed is a roguelike space sim that will force you to use strategy, ingenuity and duct tape to keep your ship (and your skull) in one piece as you risk exploring a mysterious nebula protected by dangerous alien creatures.

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Starmancer$14.99

826Aug 05, 2021

From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.

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Let's School$19.99

5056Jul 26, 2023

Dive into the exhilarating role of a headmaster entrusted to revive your alma mater! Beyond just bricks and mortar, train teachers, recruit students. Sculpt your school into a unique educational haven! Let's School!

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The Mystery Of The Moon$59.99

?Nov 15, 2023

The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.

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Rionag: Survey Fleet$20.0

?Sep 18, 2024

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.

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The Final Earth 2$9.99

264Jul 15, 2022

The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

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Space Simulation Toolkit$19.99

312Jun 05, 2020

Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.

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Starport Delta$24.99

?Mar 27, 2020

Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...

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Poly Bridge$9.99

15711Jul 12, 2016

Unleash your engineering creativity with an engaging and fresh bridge-building simulator with all the bells and whistles. Enjoy hours of physics-based puzzle solving in the Campaign and then jump in the Sandbox to create your own bridge designs and puzzles!

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Evochron Legacy SE$24.99

387Jan 18, 2016

Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.

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Garry's Mod$9.99

981852Nov 29, 2006

Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

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Space Station Continuum$14.99

?Jun 24, 2020

Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.

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Territory: Animals Genetic Strategy$6.99

?May 31, 2022

Strategy game about genes and animal species. Evolve, reproduce, expand to new territories, survive, and fight to achieve various goals like biodiversity or dominance in the ecosystem.

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Two Point Campus$29.99

4222Aug 09, 2022

Build the university of your dreams with Two Point Campus, the sim with a twist from the makers of Two Point Hospital. Build, hire staff and run an academic institution packed with wild courses.

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Moon Tycoon$9.99

?Jul 19, 2019

This is the original Moon Tycoon city-building game back from 2001! Remember building vast lunar colonies, then destroying them with meteors and asteroids? Blast off again with the first 3D Sim game, back to the old days on the dark side of the moon. Feeling nostalgic?

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ADIOS Amigos: Galactic Explorers$14.99

?Sep 12, 2018

Improvise fuel efficient trajectories to keep your rusty ship running. Break into a space station with an asteroid. Tow a sofa into a black hole. Experience the perils and intrigue of space exploration with 1-4 players.

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Subdivision Infinity DX$14.99

?Aug 07, 2019

Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!

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Endless SkyFREE

?Oct 30, 2015

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

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Space Rogue$9.99

389Sep 15, 2016

Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.

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SpaceChem$9.99

2522Mar 02, 2011

Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

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Polandball: Can into Space!$2.99

440Jun 15, 2016

Crazy fun rocket simulator game with countryballs theme. Can Polandball into Space? Try to find out!

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Fireworks Mania - An Explosive Simulator$14.99

6129Dec 17, 2020

FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.

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Charge!$1.99

?Nov 19, 2020

Charge is a level-based puzzle game where you control the flow of charge around a circuit board. Arrange pre-built components into wondrous machines that take advantage of available resources and design your own modules from scratch.

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