
Sigma World Online - is an online sandbox with a huge world from many star systems. Choose who to be: space explorer, miner, merchant, farmer, culinary specialist, scientist, builder or hunter, or build your empire.
60+ similar titles based on shared tags and player behavior. Themes include Sandbox, Building, Open World, Crafting.

Sigma World Online - is an online sandbox with a huge world from many star systems. Choose who to be: space explorer, miner, merchant, farmer, culinary specialist, scientist, builder or hunter, or build your empire.

Aether Effect
Dig, Build, Explore! In this sandbox survival game, venture through a vast procedurally-generated infinite world. Mine resources, construct your homestead, craft and drive vehicles, delve into mining, cultivate, livestock, automated machinery, and uncover the truth behind the world.

Wayward Beyond
A retro-future sandbox RPG set in a frontier era galaxy with procedurally-generated elements. Create, explore, trade, and battle to stake your claim among the stars of a wild galaxy!
Dig, Build, Explore! In this sandbox survival game, venture through a vast procedurally-generated infinite world. Mine resources, construct your homestead, craft and drive vehicles, delve into mining, cultivate, livestock, automated machinery, and uncover the truth behind the world.
Why similar: Voxel 18.7% ★, City Builder 14.9%, Building 10.8%, Sandbox 10.8%, Crafting 9.3%
A retro-future sandbox RPG set in a frontier era galaxy with procedurally-generated elements. Create, explore, trade, and battle to stake your claim among the stars of a wild galaxy!
Why similar: Voxel 15% ★, Space Sim 14.3%, Building 10.4%, Sandbox 10.2%, Base Building 9.9%
Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?
Why similar: Space Sim 16.2%, Building 12.2%, Sandbox 11.9%, Crafting 11.3%, Base Building 10.8%
Embark on a cozy open-world survival journey inspired by ancient China's heritage. Gather resources, cultivate crops, build your dream home, and defend it from marauders. Team up with friends to explore and uncover a world where adventure meets serenity.
Why similar: City Builder 17.6%, Crafting 12.1%, Sandbox 11.8%, Building 11%, Base Building 10.8%
Build, Fly, and Survive. StarDune combines tactile, modular construction with seamless space travel. Reshape vibrant voxel planets, automate your outposts, and explore a procedurally generated solar system alone or with friends in a world that’s yours to mold.
Why similar: Voxel 13.8% ★, Space Sim 13.6%, Crafting 11.5%, Sandbox 11.1%, Base Building 10%
A creative sandbox adventure with a focus on exploration, discovery and survival. Shape your worlds, build, mine, and farm. Expand your reach and travel to other worlds using your ship, and worm holes!
Why similar: Space Sim 14.9%, Building 12.6%, Sandbox 12.3%, Crafting 11.8%, Base Building 11%
Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.
Why similar: City Builder 18.5%, Crafting 13.9%, Sandbox 13.3%, Building 12.5%, Space 11.9%
Craftica is an elegant block-based sandbox game with ultra high degrees of freedom for creative building. Here you can build smooth and beautiful architectures, or construct advanced devices and machineries such as computers, vehicles and robots. Try it out and start exploring your imaginations!
Why similar: Voxel 17.3% ★, City Builder 14%, Building 12.6%, Base Building 11.8%, Crafting 11.5%
Step into a near infinite world ready to be explored or shaped to your liking. Travel across different biomes searching or digging for resources to craft your items and build bases while trying to survive.
Why similar: Voxel 26.8% ★, Sandbox 17%, Survival 10.9%, Crafting 9.6%, Building 9.5%
An open world survival game set in space.
Why similar: Space Sim 16.6%, Space 11.7%, Sandbox 11.4%, Base Building 10.5%, Survival 9.9%
Far North is a captivating survival game set deep inside the procedurally generated North. Alone or together with friends you can build, farm, cook, hunt and increase your various skills in order to survive the dynamic seasons and thrive in the North.
Why similar: Agriculture 16.9% ★, Cooking 14.7%, Sandbox 12.2%, Base Building 11.2%, Survival 9.9%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 19.2%, Voxel 18.5% ★, Sandbox 17.4%, Building 12.7%, Space Sim 8.5%
Eat a snack while you watch an entire planet burn in your image.
Why similar: Space Sim 13.8%, Sandbox 13.2%, Building 11.1%, Survival 10.4%, Crafting 10.2%
Build, manage, and expand a medieval voxel colony in a procedurally generated world. Gather resources, assign AI-controlled villagers, reshape the terrain, survive changing seasons, and grow your settlement block by block.
Why similar: City Builder 20.7%, Voxel 14.7% ★, Base Building 12%, Sandbox 10.3%, Survival 9.1%
Voxelantis is a sandbox building and survival game set in a flat or spherical voxel world. Build anything out of your imagination, or adventure into uncharted territories to fight dangerous creatures. You can and deserve to have a small home planet of your own.
Why similar: Voxel 16.9% ★, City Builder 13.1%, Building 13%, Base Building 11.8%, Crafting 11.7%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: City Builder 16.7%, Space Sim 15%, Base Building 11.9%, Building 10.7%, Sandbox 10.5%
This is a voxel style sandbox game that focuses on survival. You can do anything inside and destroy any block. and cooperatively survive and fight with friends in a world. If you like playing Minecraft, this is a game you must not miss.
Why similar: Voxel 25.9% ★, Sandbox 15.1%, Crafting 12.3%, Building 12.3%, Survival 11.4%
It Takes a Village is a city-building RPG taking inspiration from games like Legend of Zelda and Animal Crossing. Venture into a procedurally generated world filled with monsters, dungeons, and more as you collect resources to build up your village to push back the evil that infests your world.
Why similar: City Builder 23.5%, Base Building 13.3%, Crafting 11.9%, Building 11.8%, Survival 11.3%
A sudden, devastating strike has reduced your interstellar voyage to ruins. As the sole survivor in X SPACE, you must rebuild your space base from scratch, assemble a versatile fleet, and pilot your massive mobile fortress into the depths of the universe.
Why similar: Space Sim 15.3%, Sandbox 11.9%, Building 11.3%, Space 11.2%, Base Building 10.5%
Stranded in a world that never stops growing. Gather, craft, build and survive in an infinite procedurally generated wilderness where no two worlds are ever the same.
Why similar: Sandbox 18.9%, Building 18.3%, Crafting 16.1%, Base Building 12.8%, Survival 12.4%
Cleanse the system of pirates, destroy their bases and free the captives. On the asteroids, build a base, mining colonies, explore asteroids and extract resources needed for survival. Develop buildings, build defenses and turn the asteroid into a fortress.
Why similar: Space Sim 14%, Voxel 11.8% ★, Base Building 11.8%, Building 10.4%, Crafting 10.4%
Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.
Why similar: Space Sim 25.1%, Space 16.2%, Sandbox 14.6%, Building 10.6%, Crafting 9.3%
Reclaim the future. Rewrite the past. Reforj the world.
Why similar: Voxel 23.8% ★, Sandbox 13.5%, Crafting 13.1%, Base Building 13%, Building 9.9%
Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.
Why similar: Space Sim 15.4%, Base Building 14.4%, Building 13%, Sandbox 12.9%, Space 11.4%
Crafting Block World is an adventure with sandbox elements that will help you build your ideal world!
Why similar: Voxel 26.9% ★, Sandbox 14.5%, Survival 11.7%, Building 9.9%, Crafting 8.5%
Build your city in Skyscraper Tiles and relax in that sandbox game without resource management! Stack soaring towers above the clouds and unleash fleets of flying vehicles. Craft your dream skyline and watch your futuristic metropolis come to life in the sky!
Why similar: City Builder 27.9%, Voxel 19.7% ★, Sandbox 18.8%, Building 14.9%, Space 9.9%
Create freely in the virtual world.
Why similar: City Builder 20.6%, Voxel 15.1% ★, Building 14.6%, Base Building 13.2%, Crafting 13.1%
A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.
Why similar: Space Sim 16.4%, Base Building 14.1%, City Builder 13.5%, Survival 10.8%, Sandbox 10.6%
Stranded on a hostile alien world, you must gather resources, craft tools, and automate production to survive. Build a base, fend off deadly wildlife, and uncover ancient secrets in this immersive sci-fi survival adventure. Will you conquer the planet or succumb to its perils?
Why similar: Space Sim 16.4%, Sandbox 12.5%, Crafting 12%, Base Building 11.9%, Space 11.5%
FortressCraft : Chapter 1 Anniversary Edition is the PC-update to the world's first and best Creative-focussed Voxel block builder.
Why similar: Voxel 22.1% ★, City Builder 19.2%, Building 12.5%, Crafting 11.3%, Sandbox 9.8%
An exploration and building game inspired by games like "Minecraft", "LSD: Dream Emulator", and more.
Why similar: Voxel 23% ★, Building 13.2%, Sandbox 12.3%, Crafting 11.5%, Agriculture 9.2% ★
Explore a procedurally generated planet filled with resources to harvest - or discover structures containing potentially rare items. Build your base to protect yourself and fight off evil, collecting materials to build new gear. Build a rocket and explore new planets!
Why similar: Agriculture 14.5% ★, Crafting 12.9%, Building 12.3%, Base Building 11.5%, Space 10.2%
Every block of this planet is real, including fluids! Dig it, flood it, process it. FluxWerks is a factory automation game on a fully destructible voxel world with physical fluid and heat simulation. Dig anywhere, automate everything, and survey a world that was supposed to be empty.
Why similar: City Builder 20.2%, Voxel 16.6% ★, Base Building 14%, Building 13.2%, Crafting 11.2%
A vast 6 handred-square-kilometer world evolves gradually step by step from the wild primitive age all the way to the advanced interstellar age, where countless spaceships are carefully built one after another to boldly explore the boundless outer space.
Why similar: Building 16.9%, Space 16.8%, Survival 16.4%, Crafting 15%, Space Sim 14.6%
Build In Space is a relaxing tycoon game where you can grow crops, build your base, and raise animals.
Why similar: City Builder 20.7%, Space Sim 14%, Sandbox 11.9%, Building 11.3%, Crafting 10.4%
Explore the pixel cosmos, jumping from star system to star system. Land on fully procedural planets, and make them your home.
Why similar: Space Sim 18.9%, Building 15.4%, Sandbox 15.2%, Crafting 14.2%, Space 13.1%
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.
Why similar: City Builder 21.8%, Space Sim 16.1%, Base Building 12.5%, Sandbox 11.6%, Building 11.4%
Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.
Why similar: City Builder 19.5%, Space Sim 15.4%, Base Building 11.7%, Space 11.7%, Crafting 8.4%
After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?
Why similar: Space Sim 23.5%, Sandbox 15.1%, Building 12.1%, Crafting 10.9%, Space 8.1%
Discover Voltcube, an infinite, uniquely generated block universe. Create machines, explore a multitude of biomes, and build to your heart's content. Survival or creative, every playthrough offers a unique journey.
Why similar: Voxel 23.8% ★, Sandbox 13.1%, Survival 11.5%, Base Building 10.9%, Building 8.3%
Gain experience and level up in this voxel sandbox world as you travel through space and time. Craft equipment and recipes to help you survive the treacherous landscape and sculpt it into your own masterpiece!
Why similar: Voxel 23.8% ★, Sandbox 17.1%, Crafting 16%, Survival 12.5%, Open World 9%
A sandbox game set in a fully modifiable world. The environment changes through interaction.
Why similar: Voxel 21.1% ★, Sandbox 19.4%, Building 16.1%, Base Building 15%, Survival 13.6%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Voxel 17% ★, Space Sim 15.7%, Building 11.4%, Space 10.8%, Sandbox 9.7%
Build stellar rollercoasters across alien worlds, carve tunnels through planets, and launch trains into orbit. Customize every track element, scenery decoration, and environment before subjecting riders to the forces of the universe! The galaxy is your theme park!
Why similar: City Builder 22.2%, Space Sim 14.3%, Sandbox 14%, Building 14%, Space 10.9%
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
Why similar: Space Sim 22.1%, Base Building 14.4%, Building 13.9%, Survival 11.3%, Space 11.1%
The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.
Why similar: City Builder 22.7%, Space Sim 21.1%, Sandbox 12.7%, Space 8.1%, Crafting 7.7%
Speck Miner is a small, open-world survival game set in a universe of tiny, procedurally generated planets.
Why similar: Base Building 17.1%, Voxel 17.1% ★, Space 16.9%, Survival 16.5%, Crafting 15.2%
Build your perfect diorama
Why similar: City Builder 21.9%, Voxel 17.2% ★, Building 12.2%, Crafting 11.2%, Sandbox 10.3%
Plant, craft, farm, and build as a Cat in Cats And Cows. Paint and design your island landscape, build farms and expand your island to build your farming empire!
Why similar: Agriculture 26.8% ★, Building 15.3%, Sandbox 15.3%, Crafting 14.3%, Base Building 13.9%
Cubactory is the only factory game where you truly build objects freely, transforming, blending, carving and compacting colored cubes into intricate voxel figures while automating your modular factory to meet increasingly complex orders.
Why similar: Voxel 20.8% ★, City Builder 16%, Crafting 11.9%, Building 11.3%, Sandbox 10.3%
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.
Why similar: Voxel 16.2% ★, Crafting 15.7%, Base Building 15.2%, Sandbox 14.1%, Building 13.5%
Set on small procedurally generated planets, PoliPlanet is a unique first-person city building game. Discover new planets, gather resources, craft, explore, and build.
Why similar: Base Building 14.6%, Crafting 13%, Space Sim 12.6%, Building 12.5%, City Builder 11.6%
Mine. Build. Survive. Engineer physics-driven ships and self-running factories block by block, mine asteroids and planets, and explore a vast procedural universe — solo or as a fleet with friends. A 2D space sandbox where clever engineering wins.
Why similar: Space 18.9%, Sandbox 17.7%, Building 17.2%, Space Sim 13.2%, Base Building 10.7%
MewnBase is a space-cat survival and base-building game. Scavenge around a barren planet for items to keep you fed. Explore and collect resources. Craft items and grow your base to help you survive.
Why similar: Base Building 16.7%, Crafting 14.6%, Sandbox 14%, Building 12.8%, Space 12.6%
Build, arrive, and move into new regions and planets in the depths of space. Whether you will establish a colony and trade or train soldiers and fight, everything is in your hands.
Why similar: City Builder 26.4%, Sandbox 16.9%, Isometric 11.9%, Building 9.6%, Survival 8.2%
A sandbox game about building a city without all those hassle from complicated systems.
Why similar: City Builder 29.4%, Sandbox 18.9%, Building 17.6%, Base Building 16.4%, Isometric 14.8%
Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?
Why similar: Space Sim 18.7%, Space 11.8%, Sandbox 11.6%, Building 11.1%, Base Building 10.3%
Welcome to Woodfel! This untamed fantasy land is yours to explore as you go forth in search of adventure. Discover treasures, fight monsters and build amazing things as you and your friends travel the landscape!
Why similar: Agriculture 20.6% ★, Voxel 19.7% ★, Sandbox 13%, Building 10.8%, Crafting 10%