Games like Space Simulation Toolkit on Steam
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Infinity: Battlescape
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
We Who Are About To Die
Fight & strategize your way through spectacles and arenas -- rise from lowly slave to Grand Champion and earn your freedom. Or... die trying. This Gladiator RPG Roguelite features in-depth career management and a unique physics simulated combat system. To those who are about to die, I salute you!
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.
Worlds Adrift Island Creator
Worlds Adrift is a Community-Crafted MMO: each and every island has been crafted by our playerbase. With the free Island Creator tool, this is your chance to create your own adventure for the community to experience. A crumbling ruin, or a teeming jungle, help expand the edges of Foundation ever further!
Master Of Pottery
Master of Pottery is a pottery-themed creation + simulation game. Make pottery, open exhibitions, complete orders, train apprentices, run your own showroom and start a relaxing pottery journey.
SuchArt: Creative Space
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
Reentry - A Space Flight Simulator
Do you have what it takes to be an astronaut? Reentry is a realistic space flight simulator based on NASAs space programs; from the first American human spaceflight in Project Mercury, the rendezvous and EVAs of Project Gemini to the Moon landing in Project Apollo.
Tiny Town VR
Create an original world and fill it with buildings, roads, vehicles and more. Give it life with posable characters. Tell a story with custom speech bubbles and in-game photo captures. Then, share with friends!
MachineCraft
The main purpose of this game is showing and watching machines made out of blocks. Some of the game-modes allow you to battle or race against other players. (testing phase) You can create your original machine with ease by reassembling those machines that are distributed, or by using the automatic control block.
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!
Canvas The Gallery
Use spraypaint to paint whatever you want in a blank art gallery. Send your galleries to your friends for them to view your artwork.
Prismata
A perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN.
Among Ripples
Control a pond's ecosystem; experiment with what you can do and see what happens. Among Ripples is a meditative ecosystem management simulator; you add different creatures to the pond and see how they interact.
Car Trader Simulator
Do you know how to profit from trading cars while maintaining a good reputation? Car Trader Simulator lets you play the role of an American car dealer. Your goal is to get rich. How you do it depends entirely on you.
Disassembly 3D
Disassembly and destruction physics sandbox simulator. Detailed models of objects and vehicles and their internal parts. Disassemble objects successfully to unlock weapons mode and destruction. Fight evil mannequins with everything you got in physical combat!
The VR Museum of Fine Art
JUST UPDATED: Explore the Second Floor of the Museum! Explore a virtual museum in room-scale VR: see famous sculptures in full, 1:1 scale and see famous paintings without the limitations of glass and security guards.
EarthX
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!
Aquarist
A relaxing sandbox casual simulation game where you perform various, even strange, aquarium-related tasks on very diverse levels. As an Aquarist you must create and manage a home to amazing fish🐟, sea turtles🐢, sharks🦈, octopuses🐙, and more🐬. Aquarium is their world and life. Make it worth...
Tin Can
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?
SpaceBourne
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Tea Party Simulator 2015™
Ever wanted to be a tea party extraordinaire? Well now you can. Each new level brings it's own challenges you must overcome on your quest to become the ultimate tea party master. Comes with the original Tea Party Mode and now a Mode 2 (after beating all the levels), for a whole new experience!
Kebab Chefs! - Restaurant Simulator
Kebab Chefs! is a Co-Op, cooking and restaurant management game that can be played up to 4 players. Design your own restaurant. Cook delicious foods, fill your menu with various recipes, feed customers and become the biggest kebab restaurant in town!
SuperSmash: Physics Battle
SuperSmash is a physics base multiplayer fighting game.Character is fully driven by physics engine,and there are lots of different weapons and maps.It will provide you totally different battle experience.
ACTION SANDBOX
A physics sandbox game for people who like to play with digital toys. Create, control toys and define your goals.
Trimmer Tycoon
Trimmer Tycoon is a fast survival game. You’re the new owner of a beard-trimming salon - Shavy. Customers start flowing in with absurd wishes for their beards. Can you satisfy their beardy dreams and keep up with the ever-increasing rent?
Doodle God Blitz
Doodle God is an addicting puzzle & world building game where players use logic and ingenuity to create the entire universe. Starting with the basic elements of earth, wind, fire and air players can build a world filled with locomotives, Dragons, skyscrapers, Aliens and more.
Connected Hearts - Visual novel
Gary is caught in a strange dream and now he must overcome the adversities on his path or perish in the attempt. In this adventure you will meet 3 children in dream-like scenarios, next to a mysterious girl who talks about a promise.
MMORPG Tycoon 2
MMORPG Tycoon 2 is a single-player world-builder game about creating the greatest MMORPG of all time – yours.
The Powder Toy
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
Zaccaria Pinball
Play free and try tables in trial mode with Zaccaria Pinball, featuring 175+ tables, including 40+ officially licensed from Zaccaria was founded by three brothers: Marino, Franco, & Natale. Zaccaria was one of the three largest pinball manufacturers in the world, next to Bally & Williams.
Hardspace: Shipbreaker
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!
Bastide
Bastide is a 13th-century city-building strategy game where you lead a village of peasants toward survival and prosperity. You must contend with bandits, starvation, disease, and brutal winters as you work to develop your settlement into a fortified town.