Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.

Build the university of your dreams with Two Point Campus, the sim with a twist from the makers of Two Point Hospital. Build, hire staff and run an academic institution packed with wild courses.

Super Dungeon Maker is a creative pixel art dungeon editor inspired by the best 2D adventure games. Choose however many levels, enemies, secret rooms, traps and items you want. Challenge your friends and the community to master your dungeon or play the countless dungeons of the community.

An exploration and adventure game about wildlife sprung from the depths of the internet. An unknown power seems to upset its balance. Join forces with exotic creatures to unravel the mysteries of this universe.

Delivery Attempted. That's the Totally Reliable Delivery Service guarantee! T.R.D.S. is a ragdoll physics simulation about terrible package delivery couriers. Work together using odd machinery, useful gadgets, and the wonders of physics to reliably deliver packages to their destination.

The Full Package, Remastered – With enhanced graphics, improved lighting, reworked environments, and visual effects, Steelport and The Third Street Saints have never looked so good.

Take care of your own island and sail with your boat in this cozy farming adventure! Relax and unwind exploring a tropical archipelago or harvesting your own crops while helping others. Discover the story of Summer in Mara, with farming, crafting and exploring mechanics.

Plunge into the open-world survival simulation set in the extreme conditions of the uncharted Amazon jungle. Use real-life survival techniques to craft, hunt, fight, and gather resources, set a makeshift shelter, or raise a fortress. Survive alone or team up with your friends and challenge the jungle together.

Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?

Be the Universe in this epic, award-winning reality simulation game - featuring thousands of playable characters, endless exploration, an extraordinary soundtrack and narration from Alan Watts.

Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc.

Explore Arctico with your dog sled, kayak, and up to 3 friends! Build and customize your base camp, gather resources and samples, set up labs, and take good care of your dogs in this peaceful island.

Mr. Sleepy Man is up way past his bedtime and out of control! Make a mess of everything you find and turn Bedtime Town against you! This sandbox adventure is filled with comical hijinks, outrageous characters, and platforming action!

RUBATO, an experimental, 2D physics-based take on the collect-a-thon genre!

ShantyTown is a relaxing diorama-building game about finding beauty in everyday chaos. Bring new locations to life, stack your urban buildings high, and fill each little nook and cranny with your own touch. Try your hand at shaping a cozy little town that is unique to you.

OFFBEAT is a music-tycoon game where you build the recording studio of your dreams. Collect and upgrade increasingly strange musical objects, complete jobs for cash, and record real, actual music.

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.

You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?

Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

In a land torn asunder by incessant warfare, it is time to assemble your own band of hardened warriors and enter the fray. Lead your men into battle, expand your realm, and claim the ultimate prize: the throne of Calradia!

Slime Rancher is the tale of Beatrix LeBeau, a plucky, young rancher who sets out for a life a thousand light years away from Earth on the ‘Far, Far Range’ where she tries her hand at making a living wrangling slimes.

Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.

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.

A 3D pet simulation where you raise your own personal hive of mutating dogs, physically simulated all the way down to their guts! Wobbledogs is a casual and chill sandbox for players of all ages who want to care for their very own virtual pets in a surprising, unique, and stress-free environment.

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!

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