Games like Space Simulation Toolkit on Steam
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Crazy Machines 3
Crazy Machines 3 is the latest, greatest, most amazing and craziest part of the series and fascinates once more with physic-based puzzles. Build your own crazy machines and share your awesomeness across the world thanks to the Steam® Workshop.
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!
Thank god you’re here Mayor - you’ve got LOTS of work to do! In this city building sim, you’re responsible for the layout, logistics optimisation, population growth - all whilst navigating the everyday chaos of infrastructure, worker management and dynamic challenges to make your dream town.
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?