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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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.
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.
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!
Kerbal Space Program
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.
Steam Engine Simulator
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
Nova-Life: Amboise
Nova-Life: Amboise is a multiplayer role-play simulation video game. Create your character and start your second life!
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.
Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
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.
Logic World
Build. Program. Simulate. Logic World teaches you how circuits do math.
Anarchy Arcade
Turn your entire digital life into a game. AArcade is a 3D desktop that launches shortcuts to absolutely anything you like. Join the anarchy of the persistent online metaverse, or remain in your own private reality. Casual in-game building features, plus hundreds of thousands of addons.
Learn to Fly 3
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!
Bridge Constructor
Become an appraised bridge engineer and architect in Bridge Constructor. Create and design your own constructions and watch the cars and trucks pass over them - or see them fall and crash while your inferior creations collapse due to weight and the laws of physics!
Mutilate-a-Doll 2
A highly customizable virtual stressball and physics sandbox about mutilating ragdolls in various ways using an overwhelming amount of weapons and tools.
Satisfactory Modeler
Model your Satisfactory builds. Set up your machines however you like, adding optional limits to the number of any of those machines and the tool will calculate how the parts will flow and how many of each machine type are getting used.
Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Species: Artificial Life, Real Evolution
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Galaxy Idle Clicker
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!
Astrox: Hostile Space Excavation
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
Chroma Lab
Chroma Lab is a VR particle physics sandbox. Surround yourself with hundreds of thousands of colorful particles that stick together like a fluid which you can interact with using a variety of tools.
Storm Chasers
Be one of those intrepid storm chasers in this online multiplayer video game. Your goal is to shoot the best twisters pictures without dying because of powerful winds and flying debris. Feel the challenge of correctly forecasting and intercepting storms with the optimal vantage points before other players.
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 June 15th 2025.
1. DSX
Similarity 48% DSX is an easy-to-use software that connects DualSense, DualSense Edge, and DualShock 4 controllers to your PC. It unlocks advanced features like adaptive triggers and haptic feedback for a more immersive gaming experience. Allowing support for games that don't support Playstation Controllers. DSX is a simulation, indie and controller game developed and published by Paliverse. Released on June 24th 2022 has received 5,373 reviews of which 3,667 were positive and 1,706 were negative resulting in a rating of 6.7 out of 10. The game has hit the top spot as the #1 most played game like Space Simulation Toolkit, thanks to its 5,121 peak concurrent players over the last day.
6.7
3,667
1,706
5,121
players
2. Kerbal Space Program
Similarity 66% 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 127,162 reviews of which 121,084 were positive and 6,078 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 1,844 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
121,084
6,078
1,844
players
3. Totally Accurate Battle Simulator
Similarity 47% Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer. Totally Accurate Battle Simulator is a sandbox, simulation and funny game developed by and published by landfall. Released on April 01st 2021 has received 135,943 reviews of which 132,974 were positive and 2,969 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 1,299 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.
9.7
132,974
2,969
1,299
players
4. Idling to Rule the Gods
Similarity 44% Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours! Idling to Rule the Gods is a free to play, indie and simulation game developed and published by Shugasu GmbH. Released on May 27th 2016 has received 1,916 reviews of which 1,638 were positive and 278 were negative resulting in a rating of 8.2 out of 10. With 1,157 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Space Simulation Toolkit.
8.2
1,638
278
1,157
players
5. Galaxy Idle Clicker
Similarity 58% 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 early access, free to play and indie game developed by Soehnle and published by TimeLost Gaming. Released on July 18th 2024 has received 675 reviews of which 508 were positive and 167 were negative resulting in a rating of 7.2 out of 10. With 1,063 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Space Simulation Toolkit.
7.2
508
167
1,063
players
6. Eco
Similarity 46% Build a civilization of real people, working together to advance society and stop a meteor, all without destroying the ecosystem in the process. Eco is a early access, simulation and building game developed and published by Strange Loop Games. Released on February 06th 2018 has received 13,212 reviews of which 10,744 were positive and 2,468 were negative resulting in a rating of 8.0 out of 10. With 692 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Space Simulation Toolkit.
8.0
10,744
2,468
692
players
7. Automation - The Car Company Tycoon Game
Similarity 45% 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 14,457 reviews of which 13,506 were positive and 951 were negative resulting in an impressive rating of 9.1 out of 10. With 554 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Space Simulation Toolkit.
9.1
13,506
951
554
players
8. Aviassembly
Similarity 47% Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world. Aviassembly is a early access, flight and building game developed and published by Jelle Booij. Released on April 11th 2025 has received 4,112 reviews of which 3,991 were positive and 121 were negative resulting in an impressive rating of 9.3 out of 10. With 498 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Space Simulation Toolkit.
9.3
3,991
121
498
players
9. Satisfactory Modeler
Similarity 59% Model your Satisfactory builds. Set up your machines however you like, adding optional limits to the number of any of those machines and the tool will calculate how the parts will flow and how many of each machine type are getting used. Satisfactory Modeler is a free to play, indie and simulation game developed and published by David Price. Released on September 17th 2024 has received 849 reviews of which 825 were positive and 24 were negative resulting in an impressive rating of 9.1 out of 10. With 472 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Space Simulation Toolkit.
9.1
825
24
472
players
10. Universe Sandbox
Similarity 61% 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 27,448 reviews of which 26,456 were positive and 992 were negative resulting in an impressive rating of 9.4 out of 10. With 357 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Space Simulation Toolkit.
9.4
26,456
992
357
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 June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Space Simulation Toolkit.
1. EarthX
Similarity 52% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Space Simulation Toolkit.
8.3
769
106
-99%
19.99€
0.29€
2. Size Matters
Similarity 45% You play as a scientist who is shrinking every second in a race against time! Find all the ingredients and formulas scattered around the laboratory, which are necessary for producing the life-saving antidote. But beware, your time is very precious. Size Matters is a simulation, casual and science game developed by Mazen Games and published by GrabTheGames. Released on March 12th 2021 has received 473 reviews of which 412 were positive and 61 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Space Simulation Toolkit.
8.1
412
61
-99%
9.75€
0.19€
3. Tin Can
Similarity 51% 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 1,198 reviews of which 1,015 were positive and 183 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like Space Simulation Toolkit.
8.1
1,015
183
-98%
17.99€
0.46€
4. Rover Mechanic Simulator
Similarity 54% 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. Rover Mechanic Simulator is a simulation, indie and building game developed by ▲ Pyramid Games and published by Pyramid Games S.A. and PlayWay S.A.. Released on November 12th 2020 has received 637 reviews of which 489 were positive and 148 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Space Simulation Toolkit.
7.3
489
148
-98%
11.79€
0.35€
5. Ascent - The Space Game
Similarity 43% Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players. Ascent - The Space Game is a space, massively multiplayer and simulation game developed and published by Fluffy Kitten Studios. Released on April 11th 2016 has received 340 reviews of which 231 were positive and 109 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Space Simulation Toolkit.
6.5
231
109
-98%
19.99€
0.52€
6. Hardspace: Shipbreaker
Similarity 50% 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 20,422 reviews of which 18,276 were positive and 2,146 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 97% discount, this title has earned the #6 position in the best deals for games like Space Simulation Toolkit.
8.8
18,276
2,146
-97%
34.99€
1.08€
7. Fun with Ragdolls: The Game
Similarity 55% Become a ragdoll and create your own environments in Sandbox Mode, explore worlds created by others, or just flop around your destructible sets! Fun with Ragdolls: The Game lets you enjoy everything you love about ragdolls! Fun with Ragdolls: The Game is a sandbox, physics and funny game developed by Jadon Barnes and published by Fun & Simple. Released on September 17th 2019 has received 4,955 reviews of which 4,341 were positive and 614 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 97% discount, this title has earned the #7 position in the best deals for games like Space Simulation Toolkit.
8.5
4,341
614
-97%
12.49€
0.39€
8. 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, indie and building game developed by Hugecalf Studios and published by Curve Games. Released on January 23rd 2019 has received 847 reviews of which 736 were positive and 111 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #8 position in the best deals for games like Space Simulation Toolkit.
8.2
736
111
-97%
14.99€
0.56€
9. Bridge Constructor Medieval
Similarity 45% Bridge Constructor Medieval turns back the clock a few centuries to the time of knights and castles. Build sturdy bridges to supply your city with provisions - or cunningly constructed bridges that collapse under the weight of attacking troops, sending the horde of enemies into the abyss below. Bridge Constructor Medieval is a simulation, casual and indie game developed by ClockStone and published by Headup. Released on September 15th 2014 has received 565 reviews of which 461 were positive and 104 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like Space Simulation Toolkit.
7.7
461
104
-97%
9.99€
0.33€
10. Between the Stars
Similarity 48% 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 2,301 reviews of which 1,724 were positive and 577 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Space Simulation Toolkit.
7.3
1,724
577
-97%
28.99€
0.89€
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 June 15th 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. Idling to Rule the Gods
Similarity 44% Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours! Idling to Rule the Gods is a free to play, indie and simulation game developed and published by Shugasu GmbH. Released on May 27th 2016 has received 1,916 reviews of which 1,638 were positive and 278 were negative resulting in a rating of 8.2 out of 10. With 1,157 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Space Simulation Toolkit.
8.2
1,638
278
1,157
players
2. Galaxy Idle Clicker
Similarity 58% 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 early access, free to play and indie game developed by Soehnle and published by TimeLost Gaming. Released on July 18th 2024 has received 675 reviews of which 508 were positive and 167 were negative resulting in a rating of 7.2 out of 10. Thanks to its free to play tag and a daily player base of 1,063, this game has secured the #2 spot in the ranking of free games like Space Simulation Toolkit.
7.2
508
167
1,063
players
3. Satisfactory Modeler
Similarity 59% Model your Satisfactory builds. Set up your machines however you like, adding optional limits to the number of any of those machines and the tool will calculate how the parts will flow and how many of each machine type are getting used. Satisfactory Modeler is a free to play, indie and simulation game developed and published by David Price. Released on September 17th 2024 has received 849 reviews of which 825 were positive and 24 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its free to play tag and a daily player base of 472, this game has secured the #3 spot in the ranking of free games like Space Simulation Toolkit.
9.1
825
24
472
players
4. WGT Golf
Similarity 43% Experience iconic golf courses like Pebble Beach, St Andrews and Wolf Creek in the most realistic free golf game, and connect with millions of players all over the world! WGT Golf is a free to play, sports and simulation game developed and published by World Golf Tour and LLC. Released on April 13th 2020 has received 2,911 reviews of which 1,820 were positive and 1,091 were negative resulting in a rating of 6.1 out of 10. Attracting a solid base of 311 players due to its free access, this strategy game has achieved the #4 position in the best free games like Space Simulation Toolkit.
6.1
1,820
1,091
311
players
5. Cadria Item Shop
Similarity 43% Cadria Item Shop is a casual simulation game with RPG elements. Craft legendary items, hire heroes, and expand your shop to rebuild the town. Join a mighty guild, fight together in faction wars and send your heroes to explore the mystic lands of Cadria! All of this and much more awaits you! Cadria Item Shop is a free to play, casual and simulation game developed by Moehaus Co. Ltd and published by BEST KIRIN GLOBAL LIMITED. Released on August 23rd 2018 has received 1,554 reviews of which 1,129 were positive and 425 were negative resulting in a rating of 7.0 out of 10. Attracting a solid base of 294 players due to its free access, this strategy game has achieved the #5 position in the best free games like Space Simulation Toolkit.
7.0
1,129
425
294
players
6. Screw Drivers
Similarity 42% Crazy physics and high-speed races! Craft vehicles cleverly by combining building blocks and mechanical parts to create powerful drivetrains. Unlock new parts, race for the gold, and challenge your friends in multiplayer. Screw Drivers is a automobile sim, free to play and physics game developed by Creactstudios and published by Headup. Released on June 20th 2024 has received 4,129 reviews of which 3,565 were positive and 564 were negative resulting in a rating of 8.3 out of 10. Attracting a solid base of 157 players due to its free access, this strategy game has achieved the #6 position in the best free games like Space Simulation Toolkit.
8.3
3,565
564
157
players
7. Totally Accurate Battlegrounds
Similarity 42% Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game. Totally Accurate Battlegrounds is a multiplayer, physics and character customization game developed by and published by landfall. Released on June 05th 2018 has received 87,012 reviews of which 76,919 were positive and 10,093 were negative resulting in a rating of 8.7 out of 10. Attracting a solid base of 121 players due to its free access, this strategy game has achieved the #7 position in the best free games like Space Simulation Toolkit.
8.7
76,919
10,093
121
players
8. Viridi
Similarity 42% Nurture a small pot of succulents that grow in real time. Viridi is a safe haven, a place you can return to for a moment of peace and quiet whenever you need it. Viridi is a free to play, relaxing and simulation game developed by Zoe Vartanian, Badru, Isa Hutchinson and Michael Bell and published by Ice Water Games. Released on August 19th 2015 has received 9,320 reviews of which 8,563 were positive and 757 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 111 players due to its free access, this strategy game has achieved the #8 position in the best free games like Space Simulation Toolkit.
8.9
8,563
757
111
players
9. World of Guns: Gun Disassembly
Similarity 41% World of Guns: Gun Disassembly lets you delve into the inner workings of guns from the largest gears to the smallest screws World of Guns: Gun Disassembly is a free to play, simulation and gun customization game developed and published by Noble Empire Corp.. Released on May 21st 2014 has received 19,242 reviews of which 16,184 were positive and 3,058 were negative resulting in a rating of 8.2 out of 10. Attracting a solid base of 103 players due to its free access, this strategy game has achieved the #9 position in the best free games like Space Simulation Toolkit.
8.2
16,184
3,058
103
players
10. The Powder Toy
Similarity 50% 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 1,852 reviews of which 1,824 were positive and 28 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #10 spot among the most played free games like Space Simulation Toolkit.
9.4
1,824
28
89
players