Best Sandbox Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated sandbox games.
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Big Pharma
What if you had it in your power to rid the world of disease, to improve the lives of millions, to ease suffering and cure the sick… and earn a tidy profit? As the head of your own Pharmaceutical Conglomerate you have this power resting in your hands. Will you use it for good?
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.
PixelJunk™ Nom Nom Galaxy
Welcome to SoupCo, Astroworker! In Nom Nom Galaxy, construct and automate gigantic soup factories on unexplored planets throughout the universe, harvest flora and fauna to turn them into artisanal soups, and rocket your product into the gullets of the galaxy!
Microcosmum: survival of cells
Microcosmum: survival of cells. Join the wonderful and amazing world of microorganisms.
Way of the Samurai 4
Way of the Samurai 4 takes place in the humble port town of Amihama during the mid 19th Century, several years after the arrival of the “black ships” from the West ended Japan’s long history of cultural isolation.
Battle of Empires : 1914-1918
Battle of Empires: 1914-1918 is a story-driven RTS that brings to life some of the most brutal battles of the Great War. Each mission showcases the era’s most devastating weaponry — sabotage, stealth, trench warfare, gas attacks, artillery, and mobile infantry. BoE delivers the full WWI experience.
Executive Assault
Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.
Trove
Grab your friends, hone your blades, and set off for an epic procedurally generated adventure in Trove! Battle the Shadow in realms filled with dungeons and items created by your fellow players. Whether hunting treasure or building realms of your own, it’s never been this good to be square!
Marble Mayhem: Fragile Ball
Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.
Infinifactory
Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.
Lethis - Path of Progress
Lethis - Path of Progress is a city-builder in a victorian steampunk setting.
Batman™: Arkham Knight
Batman™: Arkham Knight brings the award-winning Arkham trilogy from Rocksteady Studios to its epic conclusion. Developed exclusively for New-Gen platforms, Batman: Arkham Knight introduces Rocksteady's uniquely designed version of the Batmobile.
NEO AQUARIUM - The King of Crustaceans -
YOU GET TO CONTROL UNIQUE CREATURES LIKE LOBSTERS, CRABS AND BARNACLES, IN A WILD WATER WORLD THAT EXCEEDS ALL HUMAN SENSE.
Tabletop Simulator
Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities!
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.
BeamNG.drive
A dynamic soft-body physics vehicle simulator capable of doing just about anything.
Rebuild 3: Gangs of Deadsville
Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.
Catlateral Damage
Catlateral Damage is a first-person destructive cat simulator where you play as a cat on a rampage, knocking as much stuff onto the ground as possible.
Blockstorm
Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it.
Castaway Paradise - live among the animals
It's the ultimate Sandbox sim! Farm, catch bugs, talk to villagers, build your own tropical dream island! If you like Animal Crossing, Among Us, or Harvest Moon, you will love this game!
The Witcher 3: Wild Hunt
You are Geralt of Rivia, mercenary monster slayer. Before you stands a war-torn, monster-infested continent you can explore at will. Your current contract? Tracking down Ciri — the Child of Prophecy, a living weapon that can alter the shape of the world.
Trainz: A New Era
Our "Platinum Edition" bundle provides fantastic value for new or existing customers. Expand your Trainz collection with a huge range of additional routes, sessions, locos and rolling stock, all at 75% off the regular pricing.
Galactic Civilizations III
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Software Inc.
Construct and design buildings for optimal working conditions. Hire people to design and release software, so you can defeat the simulated competition and take over their businesses. Manage and educate your employees to make sure they are skilled and satisfied with their job.
Block N Load
Five of you. Five of them. Face off in a battle where everything you build, destroy, construct or shoot has a devastating impact on the entire game. Build defences using a crazy range of block types and work together in this FPS where no game is EVER the same. NOW FREE TO PLAY.
Space Colony: Steam Edition
Space Colony: Steam Edition is a remaster of the real-time base builder and strategy game from Firefly Studios, creators of the Stronghold series. In Space Colony you colonize to survive, designing intergalactic bases that keep your crew productive, happy and defended against hostile alien threats.
State of Decay: YOSE
Make your stand against the collapse of society in the ultimate zombie survival-fantasy game. Explore an open world full of dangers and opportunities that respond to your every decision. Recruit a community of playable survivors, each with their own unique skills and talents.
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.
Dungeons 2
The Dungeon Lord is back – and this time he’s serious! In Dungeons 2, fulfil the Dungeon Lord’s insatiable quest for vengeance by recruiting fearsome new monsters from all corners of the underworld in order to undertake his evil bidding.
Car Mechanic Simulator 2015
New cars, new tools, new options, more parts and much more fun in the next version of Car Mechanic Simulator! Take your wrench! Create and expand your auto repairs service empire. Car Mechanic Simulator 2015 will take you behind the scenes of daily routine in car workshop.