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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Guild Quest
You’ve just bought yourself a new island and it’s time to fill it up with QUESTS! Collect guildians, upgrade their guildhalls, and unleash them onto your own custom quest lines.
welcome to heaven
Heaven... should feel better than this shouldn't it?
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.
Breachway
Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.
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!
Britannic: Patroness of the Mediterranean
Explore the Britannic, sister ship of the infamous Titanic, and relive her tragic sinking after striking a mine in the First World War.
![上帝之城 I：监狱帝国 [City of God I - Prison Empire]](https://shared.cloudflare.steamstatic.com/store_item_assets/steam/apps/466860/header.jpg)
上帝之城 I：监狱帝国 [City of God I - Prison Empire]
Hey, boy! I am the Deputy Mayor of Crist City. My secretary has already told you the purchasing price of the wardening position of Pompeii Prison, right? Come on son, make up your mind! There are a lot of people competing for this position. I don’t have time and patience to waste on you!
Go-Go Town!
Plan, Build...Prosper? As mayor, it’s up to you to breathe life back into this rundown town. Construct shops, hire staff, automate deliveries with couriers, and attract tourists to town, all while managing infrastructure and avoiding catastrophes! Who said being mayor was going to be easy…
Epic Fantasy Battle Simulator
Welcome to Epic Fantasy Battle Simulator, the most immersive medieval battle simulator to date! Throw tens of thousands of soldiers into battle, enjoy the show, or take control of one of them to prove your valor! The only limit is your imagination! Or maybe your CPU?
Gladio and Glory
Goofy Ragdolls and Physics Simulated duels that will challenge your tactics. Customise & Upgrade your Gladiator, dismember opponents in the arena and climb the Leaderboard. All for free!
Reach for the Sun
Version 1.2 Out Now!Strategy mode is now available on the plant selection screenThis mode uses a set number of turns with no time limit. Plants will automatically collect resources between turns. Keep your plant balanced and try to maximize your resources on every turn to fruit each flower before winter comes!
Fancy Skulls
Fancy Skulls is a challenging first person shooter with procedural generation, permadeath and distinct art style. Intense and tactical combat, unique weapon mods and items that change the way you play.
Tyto Ecology
Build your biome! With an empty biodome as your canvas, add plants and animals from three different ecosystems. Observe interactions like hunting, blooming, and even decomposing! Will your biodome last for decades, or will it experience a total ecosystem collapse? You’re in control!
Ragdoll Runners
Ragdoll Runners is a physics-based athletics game where you control independently the two legs of an athlete in 8 events of different types: sprint, long jump, triple jump, hurdles. Play against the computer, with 3 friends on the same PC or online against other players' records.
The White Laboratory
The White Laboratory is a sandbox style physics-based tower defense and RTS game in which you modularly build and command robotic structures. Use them to defend against or conquer other disobedient mechanical blocks on a facility floating in the atmosphere of a remote gas planet.
Voxel Turf
Voxel Turf is a block based urban sandbox. Build cities, blow up buildings, complete missions or fight for territory. Build a real estate empire, or perhaps just drive around and blow stuff up. Its your choice!
铁道物语：陆王（Railway Saga:Land King）
Become a respected conductor, assemble and match your train lineup at will. In addition to transporting passengers from all walks of life, you can also set up your own factories at various city stations. Mining, planting and breeding all kinds of resources, using the craftsmen's crafts to produce a variety of famous things.
Havocado: Ragdoll Fighter
Havocado is ragdoll physics based fighting, with guns, crazy vehicles, weird creatures and more, where mistakes have real consequences. Will you beat the other fighters and become the next champion?
Bridge Constructor Medieval
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.
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 16th 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 5,692 peak concurrent players over the last day.
6.7
3,667
1,706
5,692
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 2,138 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
2,138
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 1,331 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
1,331
players
4. Poly Bridge
Similarity 49% 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! Poly Bridge is a building, simulation and physics game developed and published by Dry Cactus. Released on July 12th 2016 has received 17,584 reviews of which 16,075 were positive and 1,509 were negative resulting in a rating of 8.9 out of 10. With 1,186 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Space Simulation Toolkit.
8.9
16,075
1,509
1,186
players
5. 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 1,065 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Space Simulation Toolkit.
8.2
1,638
278
1,065
players
6. 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 999 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Space Simulation Toolkit.
7.2
508
167
999
players
7. Derail Valley
Similarity 41% Drive massive trains and build your career in a vast open railway network. For both PC and VR. Derail Valley is a early access, trains and simulation game developed and published by Altfuture. Released on January 25th 2019 has received 7,375 reviews of which 7,100 were positive and 275 were negative resulting in an impressive rating of 9.3 out of 10. With 697 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Space Simulation Toolkit.
9.3
7,100
275
697
players
8. 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 676 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Space Simulation Toolkit.
9.1
825
24
676
players
9. 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 620 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Space Simulation Toolkit.
8.0
10,744
2,468
620
players
10. 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 614 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Space Simulation Toolkit.
9.1
13,506
951
614
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 16th 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 16th 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 1,065 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
1,065
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 999, this game has secured the #2 spot in the ranking of free games like Space Simulation Toolkit.
7.2
508
167
999
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 676, this game has secured the #3 spot in the ranking of free games like Space Simulation Toolkit.
9.1
825
24
676
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 218 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
218
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 190 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
190
players
6. 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 162 players due to its free access, this strategy game has achieved the #6 position in the best free games like Space Simulation Toolkit.
8.7
76,919
10,093
162
players
7. 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 151 players due to its free access, this strategy game has achieved the #7 position in the best free games like Space Simulation Toolkit.
8.3
3,565
564
151
players
8. Learn to Fly 3
Similarity 59% 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 physics game developed and published by Light Bringer Games inc.. Released on May 12th 2017 has received 10,406 reviews of which 9,843 were positive and 563 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 105 players due to its free access, this strategy game has achieved the #8 position in the best free games like Space Simulation Toolkit.
9.2
9,843
563
105
players
9. 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 #9 spot among the most played free games like Space Simulation Toolkit.
9.4
1,824
28
96
players
10. 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. The game currently holds the #10 spot among the most played free games like Space Simulation Toolkit.
8.9
8,563
757
96
players