Hidden 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. For those who prefer not to search, check out lists of the most played, top deals and best free to play Sandbox games on Steam.
Filters & Lists
The Enjenir: The Engineering Physics Building Simulator
Put your engineering and problem solving skills to the test in this sandbox physics building game! Enjoy the freedom of completely gridless 3D sandbox building combined with hilarious ragdoll third person controls, offering a truly unique and hilarious "Enjeniring" experience!
Goofy Gorillas
Relive your childhood nostalgia at Goofy Gorillas, the largest virtual jungle gym! Battle it out with your friends in a wide range of casual but intense PvP gamemodes, or chill out and take part in some extra activities around the venue! Make the Goofy experience your own!
Dream Town Island
A town sim where you raise generations of residents. Unlock new stores and facilities, help your residents find love, or cash in on the stock market!
GearBlocks
Explore a world of creative building, interactive machines, and gears - lots of gears. Build all things mechanical: cars, trucks, cranes, tanks, gearboxes, engines, clocks, anything you can think of. Test your creations to destruction in challenging scenarios, and share them in the workshop!
High School Odyssey
A campus simulation game full of tons of surprising interactive gameplay elements along the way.
Mob Factory
Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.
Storage Hustle
Storage Hustle is a Simulation RPG where you go into storage auctions to buy different mysterious storages. Discover and sell many items, join Yard Sales and haggle your way for profit!
They Are Coming
They Are Coming is a hybrid game that combines roguelike, tower defense, and base building in a side-scrolling shooter format. It offers a straightforward gaming experience for pure enjoyment.
Fish Game
Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!
Lakeview Cabin 2
The ultimate 2D horror is back! Dive deep into the diverse world of horror movies! Nothing can prepare you for the R-rated challenges you will face!
Sumerians
Sumerians is a city building game set in ancient Mesopotamia. Attract new citizens and grow by expanding your irrigation system, building walls, palaces, temples and ziggurats. Research new technologies, manage your production, hire workers, and trade.
RAILGRADE
RAILGRADE is the train RTS game! Construct dense vertical railroads, build cities, construct vast factory chains with train automation! Restore an off world colony's economy all in the intense story driven campaign or relaxing sandbox mode!
Hidden Through Time 2: Myths & Magic
Join Clicky on a new, enchanted adventure in Hidden Through Time 2: Myths & Magic! Search for hidden objects scattered around hand-drawn worlds, and unlock more as you go. With both a single player campaign and an online mode where you can create your own dreamworld, the adventure never ends!
Conrad Stevenson's Paranormal P.I.
I made this first-person single player ghost hunting simulation game, trying to take an authentic approach at investigating ghosts. Use essential paranormal tools to help your community alleviate their concerns and put their minds at ease.
Airship: Kingdoms Adrift
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
CARNAGE OFFERING Tower Defense
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
Fading Afternoon
Seiji Maruyama is a middle-aged yakuza recently released from prison. Known as "Gozuki" (one of the demon generals from Buddhist mythology) he is the power that his oyabun counts on. But there is one thing his aniki is not taking into account: Maruyama is getting old.
Birds Aren't Real: The Game
Birds Aren’t Real is a 3D sandbox game with a comic twist.Based on the real-life satirical conspiracy theory, play as a government surveillance pigeon drone, using sneaky maneuvers and creative thinking to manipulate the citizens and dispel their suspicions about the government's avian task force.