Games like Space Simulation Toolkit on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Space Simulation Toolkit are available at the bottom of the page.
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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!
Idle Spiral
This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!
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!
Astrox Imperium
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
SimAirport
Build & Manage Your Airport. An International Hub or a Regional Masterpiece -- it's up to you. Buy more land to scale out, or escalators to scale up with MULTIPLE FLOORS. You're in full control in this modern business management tycoon!
Marble Mayhem: Fragile Ball
Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.
SimpleRockets
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Farlands
Congratulations, you’ve bought your own planet! An agrarian rock at the edge of the galaxy that, for some reason, was practically being given away for free. So the time has come to leave your hectic, stressful life in an overcrowded metropolis for a more rural and rewarding life.
Flight Of Nova
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
Wrench
Wrench is a mechanic simulator where players prepare and maintain race cars. The parts in Wrench are the most detailed of any game in the genre. Extreme attention has been paid to even the smallest components, including fasteners which are accurate to the thread pitch and install torque.
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?
Astro Colony
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Cosmoteer: Starship Architect & Commander
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Internet Cafe & Supermarket Simulator 2024
"Internet Cafe & Supermarket Simulator 2024" is a comprehensive simulation game that combines the management of both an internet cafe and a supermarket. Step into the role of a shop owner, apply your business acumen, and expand your empire step by step.
Sunshine Heavy Industries
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.
Breakwaters: Crystal Tides
Survive in a world ravaged by massive Titans and an ever changing ocean sim. Displace water to find resources for building and crafting unique items. Swim, sail, and fly to explore new islands and fight Titans.
Sinking Simulator
The sequel to the unfinished Sinking Simulator, now with a lot more POWER!!!! Witness your witty love of chaos and destruction sinking 2D ships and everything else on board!
Junkyard Simulator
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.Most played games like Space Simulation Toolkit on Steam
Take a look at the top games like Space Simulation Toolkit that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Space Engineers
Similarity 55% 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. The game has hit the top spot as the #1 most played game like Space Simulation Toolkit, thanks to its 4,017 peak concurrent players over the last day.
8.7
116,631
15,096
4,017
players
2. Kerbal Space Program
Similarity 58% 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. Kerbal Space Program is a space, simulation and sandbox game developed by Squad and published by Private Division. Released on April 27th 2015 has received 126,433 reviews of which 120,348 were positive and 6,085 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 2,655 players online at once in the last 24 hours, this game is currently ranked #2 among games like Space Simulation Toolkit based on player count.
9.4
120,348
6,085
2,655
players
3. Galaxy Idle Clicker
Similarity 59% Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe! Galaxy Idle Clicker is a idler, casual and clicker game developed and published by Soehnle. Released on July 18th 2024 has received 621 reviews of which 473 were positive and 148 were negative resulting in a rating of 7.2 out of 10. While seeing 1,220 players online at once in the last 24 hours, this game is currently ranked #3 among games like Space Simulation Toolkit based on player count.
7.2
473
148
1,220
players
4. Space Haven
Similarity 55% 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. Space Haven is a base-building, space and colony sim game developed and published by Bugbyte Ltd.. Released on May 21st 2020 has received 8,818 reviews of which 7,615 were positive and 1,203 were negative resulting in a rating of 8.4 out of 10. With 901 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Space Simulation Toolkit.
8.4
7,615
1,203
901
players
5. Automation - The Car Company Tycoon Game
Similarity 54% 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? Automation - The Car Company Tycoon Game is a simulation, management and building game developed and published by Camshaft Software Ltd. Released on March 12th 2015 has received 14,096 reviews of which 13,159 were positive and 937 were negative resulting in an impressive rating of 9.1 out of 10. With 605 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Space Simulation Toolkit.
9.1
13,159
937
605
players
6. Cosmoteer: Starship Architect & Commander
Similarity 53% Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars! Cosmoteer: Starship Architect & Commander is a sci-fi, singleplayer and 2d game developed and published by Walternate Realities. Released on October 24th 2022 has received 10,940 reviews of which 10,407 were positive and 533 were negative resulting in an impressive rating of 9.2 out of 10. With 556 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Space Simulation Toolkit.
9.2
10,407
533
556
players
7. Universe Sandbox
Similarity 68% 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. Universe Sandbox is a sandbox, space and simulation game developed and published by Giant Army. Released on August 24th 2015 has received 26,874 reviews of which 25,903 were positive and 971 were negative resulting in an impressive rating of 9.4 out of 10. With 502 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Space Simulation Toolkit.
9.4
25,903
971
502
players
8. Idle Spiral
Similarity 54% This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time! Idle Spiral is a idler, simulation and clicker game developed by Idle System, Inc. and Yayu and published by Idle System and Inc.. Released on April 30th 2022 has received 1,743 reviews of which 1,416 were positive and 327 were negative resulting in a rating of 7.8 out of 10. With 264 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Space Simulation Toolkit.
7.8
1,416
327
264
players
9. SpaceEngine
Similarity 56% The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas. SpaceEngine is a early access, open world and casual game developed and published by Cosmographic Software. Released on June 11th 2019 has received 12,374 reviews of which 11,870 were positive and 504 were negative resulting in an impressive rating of 9.3 out of 10. With 183 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Space Simulation Toolkit.
9.3
11,870
504
183
players
10. Endless Sky
Similarity 58% 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 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Space Simulation Toolkit.
8.9
6,074
505
131
players
Best deals on games like Space Simulation Toolkit on Steam
Discover fantastic savings with the best discounts on a variety of games like Space Simulation Toolkit 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 Space Simulation Toolkit.
1. When Ski Lifts Go Wrong
Similarity 56% Ride into a hilarious construction puzzler; packed with over 100 creative physics-based challenges, sports and bloody disasters! Build contraptions to help every passenger reach their destination. Enjoy the sports by controlling your riders away from (or towards if you feel like it) peril! When Ski Lifts Go Wrong is a simulation, building and indie game developed by Hugecalf Studios and published by Curve Games. Released on January 23rd 2019 has received 842 reviews of which 731 were positive and 111 were negative resulting in a rating of 8.2 out of 10. Featuring a massive 93% discount, this game currently holds the #1 spot in the best deals for games like Space Simulation Toolkit.
8.2
731
111
-93%
14.29€
1.00€
2. Wobbledogs
Similarity 56% A 3D pet simulation where you raise your own personal hive of mutating dogs, physically simulated all the way down to their guts! Wobbledogs is a casual and chill sandbox for players of all ages who want to care for their very own virtual pets in a surprising, unique, and stress-free environment. Wobbledogs is a dog, wholesome and cute game developed by Animal Uprising and published by Secret Mode. Released on March 15th 2022 has received 11,874 reviews of which 11,661 were positive and 213 were negative resulting in an impressive rating of 9.5 out of 10. Thanks to its incredible 85% discount, this game is now the #2 best deal in games like Space Simulation Toolkit.
9.5
11,661
213
-85%
20.40€
3.06€
3. Solar 2
Similarity 56% Dynamic abstract sandbox universe. Changes and evolves as you do. Solar 2 is a space, indie and casual game developed and published by Murudai. Released on June 17th 2011 has received 2,127 reviews of which 1,937 were positive and 190 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 66% discount, this game is now the #3 best deal in games like Space Simulation Toolkit.
8.7
1,937
190
-66%
9.00€
3.06€
4. Barista Simulator
Similarity 57% Barista Simulator, master the art of brewing with over 30 coffee recipes. Start with a basic setup, upgrade your café, manage your staff, and build your very own coffee haven. Are you ready for the ultimate coffee journey? Barista Simulator is a simulation, sandbox and cooking game developed and published by CubeCube Sports Ltd.. Released on May 20th 2023 has received 578 reviews of which 460 were positive and 118 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 65% discount, this title has earned the #4 position in the best deals for games like Space Simulation Toolkit.
7.5
460
118
-65%
14.79€
5.17€
5. Space Engineers
Similarity 55% 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. Currently offered at a significant 55% discount, this title has earned the #5 position in the best deals for games like Space Simulation Toolkit.
8.7
116,631
15,096
-55%
16.98€
7.64€
6. Between the Stars
Similarity 57% Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies. Between the Stars is a space, rpg and action game developed and published by Isolated Games. Released on March 07th 2024 has received 2,280 reviews of which 1,710 were positive and 570 were negative resulting in a rating of 7.3 out of 10. Currently offered at a 50% discount, this title has earned the #6 position in the best deals for games like Space Simulation Toolkit.
7.3
1,710
570
-50%
28.99€
14.49€
7. Universe Sandbox
Similarity 68% 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. Universe Sandbox is a sandbox, space and simulation game developed and published by Giant Army. Released on August 24th 2015 has received 26,874 reviews of which 25,903 were positive and 971 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a 49% discount, this title has earned the #7 position in the best deals for games like Space Simulation Toolkit.
9.4
25,903
971
-49%
29.16€
14.87€
8. Internet Cafe & Supermarket Simulator 2024
Similarity 53% "Internet Cafe & Supermarket Simulator 2024" is a comprehensive simulation game that combines the management of both an internet cafe and a supermarket. Step into the role of a shop owner, apply your business acumen, and expand your empire step by step. Internet Cafe & Supermarket Simulator 2024 is a simulation, 3d and building game developed and published by SmartPlayGames. Released on September 13th 2024 has received 870 reviews of which 713 were positive and 157 were negative resulting in a rating of 7.8 out of 10. Currently offered at a 41% discount, this title has earned the #8 position in the best deals for games like Space Simulation Toolkit.
7.8
713
157
-41%
14.79€
8.72€
9. Starship EVO
Similarity 58% 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! Starship EVO is a action, indie and simulation game developed and published by Moonfire Entertainment. Released on June 19th 2020 has received 1,062 reviews of which 902 were positive and 160 were negative resulting in a rating of 8.1 out of 10. Currently offered at a 40% discount, this title has earned the #9 position in the best deals for games like Space Simulation Toolkit.
8.1
902
160
-40%
19.50€
11.70€
10. Wrench
Similarity 54% Wrench is a mechanic simulator where players prepare and maintain race cars. The parts in Wrench are the most detailed of any game in the genre. Extreme attention has been paid to even the smallest components, including fasteners which are accurate to the thread pitch and install torque. Wrench is a building, automobile sim and simulation game developed and published by Missing Digit. Released on December 19th 2018 has received 1,594 reviews of which 1,434 were positive and 160 were negative resulting in a rating of 8.6 out of 10. Currently offered at a 21% discount, this title has earned the #10 position in the best deals for games like Space Simulation Toolkit.
8.6
1,434
160
-21%
28.96€
22.88€
Free games like Space Simulation Toolkit on Steam
Check out this fantastic list of free-to-play games like Space Simulation Toolkit 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 Space Simulation Toolkit.
1. Galaxy Idle Clicker
Similarity 59% Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe! Galaxy Idle Clicker is a idler, casual and clicker game developed and published by Soehnle. Released on July 18th 2024 has received 621 reviews of which 473 were positive and 148 were negative resulting in a rating of 7.2 out of 10. With 1,220 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Space Simulation Toolkit.
7.2
473
148
1,220
players
2. Idle Spiral
Similarity 54% This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time! Idle Spiral is a idler, simulation and clicker game developed by Idle System, Inc. and Yayu and published by Idle System and Inc.. Released on April 30th 2022 has received 1,743 reviews of which 1,416 were positive and 327 were negative resulting in a rating of 7.8 out of 10. Thanks to its free to play tag and a daily player base of 264, this game has secured the #2 spot in the ranking of free games like Space Simulation Toolkit.
7.8
1,416
327
264
players
3. Endless Sky
Similarity 58% 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. Thanks to its free to play tag and a daily player base of 131, this game has secured the #3 spot in the ranking of free games like Space Simulation Toolkit.
8.9
6,074
505
131
players
4. Learn to Fly 3
Similarity 58% Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space! Learn to Fly 3 is a free to play, casual and simulation game developed and published by Light Bringer Games inc.. Released on May 12th 2017 has received 10,286 reviews of which 9,731 were positive and 555 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #4 spot among the most played free games like Space Simulation Toolkit.
9.2
9,731
555
87
players
5. Mash Box
Similarity 56% Mash Box is a prototype sandbox game from an indie team, offering endless creative possibilities. Be part of its evolution with regular updates and help shape the tech foundation for future games. Dive in and influence the development of something special! Mash Box is a casual, simulation and sports game developed and published by Mash Games. Released on October 17th 2024 has received 520 reviews of which 485 were positive and 35 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #5 spot among the most played free games like Space Simulation Toolkit.
8.7
485
35
36
players
6. Durka Simulator
Similarity 58% A visual novel set in a universe where the orderlies are trying to take over our planet. Durka Simulator is a conversation, singleplayer and free to play game developed by Crucial Experiment and published by Unknown Softwares Lab. Released on March 21st 2023 has received 1,741 reviews of which 1,637 were positive and 104 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like Space Simulation Toolkit.
8.9
1,637
104
2
players