Games like Kerbal Space Program on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Kerbal Space Program are available at the bottom of the page.
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Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Rover Mechanic Simulator
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.
Juno: New Origins
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.
Universe Sandbox
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.
Mars First Logistics
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!
Space Simulation Toolkit
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.
ΔV: Rings of Saturn
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.
Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
The Last Starship
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!
Children of a Dead Earth
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Empyrion - Galactic Survival
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!
Void Destroyer 2
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.
Celestial Command
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Next Space Rebels
SPACE IS FOR EVERYONE. In Next Space Rebels, you will develop from a naive rocket hobbyist into an experienced space activist by designing, building, and launching rockets of increasing complexity.
SpaceEngine
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Starship EVO
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!
Wayward Terran Frontier: Zero Falls
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Gratuitous Space Battles
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.
Automation - The Car Company Tycoon Game
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?
Space Haven
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.
KitHack Model Club
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!Most played games like Kerbal Space Program on Steam
Take a look at the top games like Kerbal Space Program that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. RimWorld
Similarity 59% 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. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 207,748 reviews of which 203,531 were positive and 4,217 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Kerbal Space Program, thanks to its 22,530 peak concurrent players over the last day.
9.7
203,531
4,217
22,530
players
2. Garry's Mod
Similarity 56% 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. Garry's Mod is a sandbox, moddable and multiplayer game developed by Facepunch Studios and published by Valve. Released on November 29th 2006 has received 1,150,066 reviews of which 1,113,171 were positive and 36,895 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 21,543 players online at once in the last 24 hours, this game is currently ranked #2 among games like Kerbal Space Program based on player count.
9.6
1,113,171
36,895
21,543
players
3. BeamNG.drive
Similarity 50% A dynamic soft-body physics vehicle simulator capable of doing just about anything. BeamNG.drive is a simulation, driving and physics game developed and published by BeamNG. Released on May 29th 2015 has received 313,990 reviews of which 305,852 were positive and 8,138 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 17,673 players online at once in the last 24 hours, this game is currently ranked #3 among games like Kerbal Space Program based on player count.
9.6
305,852
8,138
17,673
players
4. No Man's Sky
Similarity 58% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 349,909 reviews of which 290,482 were positive and 59,427 were negative resulting in a rating of 8.2 out of 10. With 9,228 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Kerbal Space Program.
8.2
290,482
59,427
9,228
players
5. Elite Dangerous
Similarity 55% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 99,111 reviews of which 76,646 were positive and 22,465 were negative resulting in a rating of 7.7 out of 10. With 7,265 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Kerbal Space Program.
7.7
76,646
22,465
7,265
players
6. Oxygen Not Included
Similarity 68% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. With 5,652 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Kerbal Space Program.
9.5
123,019
4,126
5,652
players
7. People Playground
Similarity 52% Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space. People Playground is a sandbox, gore and physics game developed by mestiez and published by Studio Minus. Released on July 23rd 2019 has received 278,502 reviews of which 274,557 were positive and 3,945 were negative resulting in an impressive rating of 9.8 out of 10. With 4,662 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Kerbal Space Program.
9.8
274,557
3,945
4,662
players
8. Space Engineers
Similarity 62% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,727 reviews of which 116,631 were positive and 15,096 were negative resulting in a rating of 8.7 out of 10. With 4,017 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Kerbal Space Program.
8.7
116,631
15,096
4,017
players
9. X4: Foundations
Similarity 55% X4: FOUNDATIONS brings our most sophisticated universe SIMULATION ever. Fly every ship, EXPLORE space or manage an empire; TRADE, FIGHT, BUILD and THINK carefully, while you embark on an epic journey. Experience tons of improvements with the massive 7.50 Update! X4: Foundations is a space sim, simulation and sandbox game developed and published by Egosoft. Released on November 30th 2018 has received 23,304 reviews of which 18,494 were positive and 4,810 were negative resulting in a rating of 7.8 out of 10. With 3,955 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Kerbal Space Program.
7.8
18,494
4,810
3,955
players
10. ASTRONEER
Similarity 57% Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends. ASTRONEER is a multiplayer, open world and open world survival craft game developed and published by System Era Softworks. Released on February 05th 2019 has received 127,856 reviews of which 117,817 were positive and 10,039 were negative resulting in an impressive rating of 9.1 out of 10. With 2,426 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Kerbal Space Program.
9.1
117,817
10,039
2,426
players
Best deals on games like Kerbal Space Program on Steam
Discover fantastic savings with the best discounts on a variety of games like Kerbal Space Program available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Kerbal Space Program.
1. InfraSpace
Similarity 56% Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain. InfraSpace is a city builder, automation and transportation game developed and published by Dionic Software. Released on September 22nd 2023 has received 1,611 reviews of which 1,297 were positive and 314 were negative resulting in a rating of 7.7 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Kerbal Space Program.
7.7
1,297
314
-95%
20.00€
1.00€
2. Tin Can
Similarity 55% You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive? Tin Can is a simulation, space and survival game developed by Tin Can Studio and published by Tin Can Studio and IndieArk. Released on May 12th 2022 has received 1,175 reviews of which 995 were positive and 180 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like Kerbal Space Program.
8.1
995
180
-94%
16.67€
1.00€
3. Juno: New Origins
Similarity 79% 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. Juno: New Origins is a building, science and space sim game developed and published by Jundroo and LLC. Released on January 26th 2023 has received 3,070 reviews of which 2,766 were positive and 304 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like Kerbal Space Program.
8.7
2,766
304
-93%
18.43€
1.29€
4. Distant Worlds: Universe
Similarity 50% Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,816 reviews of which 1,376 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like Kerbal Space Program.
7.3
1,376
440
-92%
28.00€
2.24€
5. Car Mechanic Simulator 2018
Similarity 54% Build and expand your repair service empire in this incredibly detailed and highly realistic simulation game, where attention to car detail is astonishing. Find classic, unique cars in the new Barn Find module and Junkyard module. You can even add your self-made car in the Car Editor. Car Mechanic Simulator 2018 is a simulation, automobile sim and driving game developed by Red Dot Games and published by PlayWay S.A.. Released on July 28th 2017 has received 51,274 reviews of which 46,828 were positive and 4,446 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Kerbal Space Program.
9.0
46,828
4,446
-91%
19.67€
1.77€
6. VoidExpanse
Similarity 52% Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse! VoidExpanse is a space, rpg and open world game developed and published by AtomicTorch Studio. Released on April 02nd 2015 has received 748 reviews of which 534 were positive and 214 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like Kerbal Space Program.
6.9
534
214
-91%
15.11€
1.36€
7. Hardspace: Shipbreaker
Similarity 62% 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! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,251 reviews of which 18,123 were positive and 2,128 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 89% discount, this title has earned the #7 position in the best deals for games like Kerbal Space Program.
8.8
18,123
2,128
-89%
36.18€
3.98€
8. Dude Simulator 3
Similarity 50% Dude Simulator 3 is an open world sandbox game. It is your friend’s birthday tomorrow. You have already bought him a present, now you only have to give it to him. But your friends lives in another city, quite far from you. Dude Simulator 3 is a simulation, indie and adventure game developed and published by Kiddy. Released on August 23rd 2019 has received 2,090 reviews of which 1,421 were positive and 669 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 86% discount, this title has earned the #8 position in the best deals for games like Kerbal Space Program.
6.6
1,421
669
-86%
4.99€
0.69€
9. X3: Reunion
Similarity 51% X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue. X3: Reunion is a space, simulation and strategy game developed and published by Egosoft. Released on July 21st 2006 has received 683 reviews of which 492 were positive and 191 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 85% discount, this title has earned the #9 position in the best deals for games like Kerbal Space Program.
6.9
492
191
-85%
9.73€
1.46€
10. Starpoint Gemini 2
Similarity 57% Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever. Starpoint Gemini 2 is a space, simulation and rpg game developed and published by Little Green Men Games. Released on September 26th 2014 has received 4,087 reviews of which 2,840 were positive and 1,247 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 80% discount, this title has earned the #10 position in the best deals for games like Kerbal Space Program.
6.8
2,840
1,247
-80%
32.40€
6.48€
Free games like Kerbal Space Program on Steam
Check out this fantastic list of free-to-play games like Kerbal Space Program you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Kerbal Space Program.
1. Endless Sky
Similarity 59% 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. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,579 reviews of which 6,074 were positive and 505 were negative resulting in a rating of 8.9 out of 10. With 131 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Kerbal Space Program.
8.9
6,074
505
131
players
2. The Powder Toy
Similarity 56% The Powder Toy is a classic physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances The Powder Toy is a simulation, sandbox and 2d game developed and published by The Powder Toy Team. Released on June 14th 2024 has received 1,727 reviews of which 1,703 were positive and 24 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its free to play tag and a daily player base of 101, this game has secured the #2 spot in the ranking of free games like Kerbal Space Program.
9.4
1,703
24
101
players
3. InMind VR
Similarity 60% InMind is a short scientific adventure with arcade elements designed for the Oculus VR. Submerge into the microworld and experience the miracles of the human mind. InMind VR is a vr, free to play and indie game developed and published by Luden.io. Released on January 19th 2015 has received 433 reviews of which 340 were positive and 93 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #3 spot among the most played free games like Kerbal Space Program.
7.4
340
93