Games like Universe Sandbox on Steam
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Ultimate Ragdoll Game
Ultimate Ragdoll Game is a Sandbox game without any limits. Have fun with ragdolls available in Steam Workshop and build your very own constructions using wide variety of blocks.
Backrooms Break
Explore and break the environments of the Backrooms and Poolrooms! Utilize Thor's demolition hammer, firearms, and explosives to carve your way through the walls and entities. This isn't just another mundane walking simulator game. Now the entities are the victims. Overcome your fears with violence.
Planet Coaster
Planet Coaster® - the future of coaster park simulation games has arrived! Surprise, delight and thrill incredible crowds as you build your coaster park empire - let your imagination run wild, and share your success with the world.
Ancient Warfare 3
Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...
Goat Simulator 3
Pilgor's baaack! Gather your herd and venture forth into Goat Simulator 3; an all-new (at least on Steam), totally realistic, sandbox farmyard experience. Invite up to three friends in local or online co-op, create carnage as a team, or compete in mini-games and then not be friends anymore.
Pure Rock Crawling
Pure Rock Crawling is a physics based off-road simulator. Featuring soft body tires, suspension customization that affects your handling, true to life drivetrain simulation and visual addons. Explore a variety of trails in free roam with multiple challenges.
ScooterFlow
The world’s most realistic freestyle scooter game is finally here. Ride the skatepark, hit the streets, boost the mega ramp, fully customize your scooter & throw down all of the real life trick combinations you could dream of within this physics based scooter game.
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...
Equilinox
Equilinox is a relaxing nature simulation game in which you can create and nurture your own ecosystems. Shape the world to your liking, cultivate and raise hundreds of different species, and evolve your wildlife to unlock more exotic plants and animals.
Heavenly Bodies
Wrangle the hands and arms of a 1970s space cosmonaut and push, pull and twist your way through an increasingly precarious range of physically simulated stellar scenarios, where without gravity, nothing is still, nothing is secure, and nothing is simple.
X2: The Threat
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Landlord's Super
Your quintessential construction simulator is here. Take a dodgy loan, restore a property, move in the locals, attend to their grievances, then celebrate with a pint in this fully-simulated, open-world 1980's Britain.
BMX Streets
Ready to hit the streets? BMX Streets brings the essence of BMX riding to your fingertips. Experience the next generation of BMX gaming with realistic physics, massive amounts of customization and gorgeous maps. Practice, experiment and explore to find your own unique style and master the streets.
TramSim Vienna - The Tram Simulator
Experience with TramSim the most modern tram simulator, which impresses with photo-realistic graphics and as first location the Austrian capital Vienna in a virtual reality that has never been seen before.
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?
Builder Simulator
Builder Simulator is the perfect game for those who want to build a house, from the ground up, one brick at a time. On easy, the game will guide and teach you by showing you full instruction, but on hard you will get no help - instead rely on your builder skills and make everything yourself.
Aviassembly
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
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!
ZUSI 3 - Aerosoft Edition
Zusi 3 Aerosoft Edition is a train simulation for PCs, the professional version of which is also being used in railway companies for engine driver training purposes.
Ages of Conflict: World War Simulator
Ages of Conflict is a versatile Map Simulation game where you create and observe custom AI nations battle it out across an infinite number of worlds. Paint beautiful maps and scenarios, and command nations to change history into your liking!
Monuments Renovator
Monuments Renovator is a game in which you play the role of a professional monument renovator. You choose from among the world's greatest monuments, restore them to their former glory and learn about history and architecture.
A Webbing Journey
Adorable spider chaos! Swing around the house, weave crazy structures, play with physics-based objects, and pull off chores with nothing but your webs and your wits in this madcap sandbox adventure.
Garry's Mod
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.