Best Sandbox Steam Games on Sale
Unlike generic lists, our 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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METAL GEAR SOLID V: THE PHANTOM PAIN
Ushering in a new era for the METAL GEAR franchise with cutting-edge technology powered by the Fox Engine, METAL GEAR SOLID V: The Phantom Pain, will provide players a first-rate gaming experience as they are offered tactical freedom to carry out open-world missions.
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.
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.
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.
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!
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.
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.
Lakeview Cabin Collection
Delve into the diverse world of horror movies in this 2D action puzzler. Nothing can prepare you for the R-rated challenges you will face!
Elite Dangerous
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
VoidExpanse
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
RUNNING WITH RIFLES
RUNNING WITH RIFLES is a top-down tactical shooter with open world RPG elements. In RWR, you join the ranks of an army as a common soldier, just like the thousands around you.
War for the Overworld
War for the Overworld is an unholy union of Dungeon Management and Strategy that rewards all those villainous thoughts you’ve been having. Craft your own perilous dungeon and defend it against pesky heroes who keep exploring it and taking your stuff.
The Spatials
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Cities: Skylines
Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.
The Escapists
The Escapists provides players the opportunity of experiencing a light-hearted insight into everyday prison life with the main objective being that of escaping!
Seven Kingdoms 2 HD
Get ready for an exciting real-time strategy game experience like no other with Seven Kingdoms 2! Say goodbye to the monotony of resource gathering and army building, its unique gameplay offers a thrilling blend of city management, trade, industry, espionage, diplomacy, and conquest!
Grow Home
Experience the freedom of unbounded climbing as you take control of BUD, a procedurally animated robot on a quest to save his planet. Create your own path through an alien world as you control and ride a giant plant on a vertical journey to the stars.
Survivalist
It's one year after the collapse of civilization and self-centered hedge fund manager Joe Wheeler emerges from his specially constructed bunker in search of food. This is a huge open-world RPG where you have the freedom to play how you want - but your choices have consequences.
Making History: The Great War
The Great War is a turn-based grand strategy game based on the epic struggles of the WWI era. Experience the battles of attrition and punishing artillery barrages. Play as any nation of the period as the modern world of industrialized warfare replaces an age of kings with a struggle of ideologies.
Saints Row: Gat out of Hell
Join Johnny Gat & Kinzie Kensington as you tear apart Hell in a quest to save the Boss’ soul. Historical icons, old friends, older enemies, a talking gun, a full length musical number & a whole lot more shenanigans await!
Xsyon - Prelude
Xsyon is a player driven apocalyptic fantasy sandbox MMORPG, set in a living and evolving environment. Players create the world they want to live in as they form tribes, construct towns, shape landscapes, create quests, hunt, farm, gather, build societies and develop a New World.
METAL GEAR SOLID V: GROUND ZEROES
World-renowned Kojima Productions brings the Metal Gear Solid franchise to Steam with METAL GEAR SOLID V: GROUND ZEROES. Play as the legendary hero Snake and infiltrate a Cuban military base to rescue the hostages. Can you make it out alive?
NEO Scavenger
NEO Scavenger is a game where you must survive in the wasteland long enough to figure out who you are. Each turn, you must decide where to go, how to scavenge for supplies, and how to deal with anything and anyone you encounter.