
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, Simulation, Building, 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.

PlanetS
PlanetS is a space-themed open world game, allowing the player to explore the mysteries of the universe and various planets. First or third person camera, Craft system, flight simulation and online multiplayer.
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 22.4% ★, City Builder 14.2%, Sandbox 11.5%, Cooking 10.2%, Crafting 7.9%
PlanetS is a space-themed open world game, allowing the player to explore the mysteries of the universe and various planets. First or third person camera, Craft system, flight simulation and online multiplayer.
Why similar: MMORPG 28.5% ★, Space Sim 24% ★, Sandbox 13%, Space 8%, Crafting 6.7%
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: Voxel 21.8% ★, Sandbox 18.6%, Space 17.5%, Space Sim 11.3% ★, Building 7%
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: Space Sim 20.6% ★, Voxel 19.6% ★, Sandbox 11.8%, Space 8.7%, Crafting 8.7%
In between the busyness of everyday life, a rooftop where nothing happens. YUME ROOF is a cozy sandbox game set on a Japanese rooftop, with no enemies or time limits. Customize the space from morning to night, and enjoy simply being there at your own pace.
Why similar: Voxel 31.3% ★, City Builder 21%, Sandbox 15.1%, Isometric 14.8%, Crafting 9.1%
A free-to-play MMORPG with crafting, building, landscaping, foraging, hunting, fishing, a dash of poetry, and open PvP combat,
Why similar: MMORPG 27.1% ★, Isometric 13.5%, Sandbox 11.7%, Cooking 10.9%, Agriculture 10.7% ★
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: Space Sim 20.2% ★, Voxel 19.8% ★, Sandbox 10%, Space 9.5%, Survival 7.8%
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 26.8%, Voxel 23.6% ★, Sandbox 20.1%, Space 9%, Building 8.3%
Growtopia is a 2D sandbox game, that brings together millions of players in an expansive pixel world. Collaborate in building anything you can imagine, become anyone you want to be, and delve into numerous mini-games. Unleash your creativity and join the massive universe in Growtopia today!
Why similar: MMORPG 38.7% ★, Sandbox 16.5%, Cooking 14.5%, Crafting 7.8%, Simulation 7.7%
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 24.4% ★, Sandbox 14.4%, Space 11.1%, Crafting 11%, Survival 8.9%
A retro city-building game with huge maps, a sandbox mode, a map creator, and strategic tycoon puzzles. Build, create, and solve as you craft the city of your dreams!
Why similar: City Builder 31.7%, Voxel 21.8% ★, Sandbox 15.7%, Simulation 12.2%, Building 9.2%
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 33.1% ★, Sandbox 17.2%, Crafting 11.2%, Survival 10.7%, Building 7.3%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Voxel 19.6% ★, Space Sim 19.4% ★, Sandbox 16.1%, Space 15.7%, Building 10.2%
Haul Yeah! is a chill co-op space trucking game. Live aboard your ship, grow food, cook meals, deploy drones, repair hull systems, trade on a player-driven market, and haul resources across 15 star systems. Play solo or with up to 3 friends via Steam.
Why similar: Space Sim 35.6% ★, Cooking 16.6%, Simulation 12.5%, Crafting 9.1%, Space 8.1%
Build a colony on an alien planet. Supply settlers, defend against meteors, upgrade your base, develop your economy, and fight for survival.
Why similar: Space Sim 30.6% ★, City Builder 25.2%, Sandbox 14.3%, Simulation 12.6%, Space 7.1%
An open world survival game set in space.
Why similar: Space Sim 24.2% ★, Sandbox 13.4%, Space 11.7%, Survival 9.6%, Crafting 9%
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 31.3% ★, Sandbox 16.2%, Crafting 9.3%, Simulation 8%, Space 7.4%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 26.8% ★, Voxel 17.4% ★, Sandbox 12.1%, Space 9.8%, Building 7.8%
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 24.8%, Isometric 17.7%, Sandbox 17.6%, Simulation 13.1%, Space 7.2%
Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?
Why similar: Space Sim 25.8% ★, Sandbox 18.3%, Crafting 13.4%, Space 12.8%, Exploration 9.3%
A hardcore 2D MMO sandbox where survival depends on your skill in trade and combat. A world with a living economy and full loot that functions even when playing solo. Become a trade magnate, pirate, mercenary, or ruins explorer in this post-apocalyptic machine-world simulator.
Why similar: MMORPG 30.6% ★, Space Sim 25.3% ★, Sandbox 13.7%, Crafting 8.9%, Survival 6.3%
POLDERS is a Dutch-themed sandbox city builder where you steal land from the sea itself. Take on the role of dyke warden, reclaim the seabed, and build crooked, bustling towns in a world shaped by water. Will your city thrive on trade and ingenuity, or vanish beneath the waves of the Waterwolf?
Why similar: Voxel 25.3% ★, City Builder 20.8%, Sandbox 13.3%, Crafting 9.6%, Survival 8.8%
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: Space Sim 28.1% ★, City Builder 22%, Sandbox 13.7%, Space 7.4%, Survival 6.8%
Explore a seamless endless universe with an uncountable number of galaxies, stars, planets, and moons. Make friends or enemies with unique alien civilizations. Research upgrades for your vessel with scientific phenomena and alien tech that you've acquired.
Why similar: Space Sim 33.8% ★, Sandbox 15.8%, Crafting 12%, Space 10.1%, Exploration 6.8%
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 25.8% ★, Sandbox 16.8%, Crafting 12.5%, Space 12.3%, Building 8.8%
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: Space Sim 20.1% ★, Space 15.9%, Survival 15.1%, Crafting 13.3%, Building 9.8%
Rise is a persistent science fiction sandbox strategy MMO set on Vieneo, an exomoon about 225 LY from Earth. Use ground, air, and space vehicles to explore this vast open world of 100 million square kilometers in size! You are helping establish a living, breathing world with virtually no boundaries!
Why similar: MMORPG 23.3% ★, Space Sim 20.4% ★, City Builder 17.3%, Sandbox 11.7%, Space 8.8%
Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.
Why similar: Space Sim 33.4% ★, Sandbox 18.1%, Simulation 13.5%, Space 9.1%, Building 7.1%
"Survival Island" is a open sandbox survival game. We will be born on a barren island, and there will be many rare and exotic animals on this island. By collecting, building, manufacturing, and fighting his survivors, we will finally survive on this deserted island.
Why similar: MMORPG 29.3% ★, Agriculture 12.5% ★, Cooking 11.6%, Sandbox 10.6%, Survival 10.1%
Voxel Turf is a block based urban sandbox. Build cities, blow up buildings, complete missions or fight for territory. Build a real estate empire, or perhaps just drive around and blow stuff up. Its your choice!
Why similar: Voxel 38.6% ★, Sandbox 22%, City Builder 17.1%, Simulation 10.5%, Open World 7.1%
Starvector is a massive story-driven procedural universe where you aren't the main character. Collect resources, craft technology, build custom spaceships and bases, and so much more in a universe that existed long before you arrived, complete with pre-existing factions, conflicts, and history.
Why similar: Space Sim 20.6% ★, Sandbox 15.9%, Survival 10.3%, Crafting 9.8%, Space 9.7%
The game brings a fresh new take on the city building/management genre by introducing many RPG features. In Towns you manage a settlement on top of an active dungeon. Instead of playing the hero who delves deep into the dungeon, how about playing the town that houses and caters to the hero's needs?
Why similar: City Builder 40.2%, Sandbox 22.4%, Crafting 10.2%, Simulation 8.9%, Isometric 8.2%
Co-op sci-fi extraction mining for up to 4 players. You’re prisoners working for a cold Corporation. Drill planets, meet mandatory quotas, keep the surplus, and upgrade your gear. No heroes — only contracts, pressure, and profit.
Why similar: Space Sim 29.3% ★, Voxel 25.4% ★, Space 8.5%, Simulation 8.2%, Survival 7.9%
A hard sci-fi survival sim where each decision costs power. Every system drains your dying reactor. Pilot a crippled spacecraft across a real-scale solar system using true orbital mechanics, manage critical systems, and fight to reach Earth — where space itself is the only enemy you need.
Why similar: Space Sim 23.2% ★, Space 16.1%, Simulation 14.1%, Survival 14%, Sandbox 12.6%
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 26% ★, City Builder 16.1%, Isometric 15%, Sandbox 11.5%, Crafting 10.5%
Build the MMO of your dreams. Watch bots play it. Join them.
Why similar: MMORPG 37.4% ★, City Builder 19.7%, Sandbox 15%, Simulation 8.6%, Building 7.4%
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 23.8% ★, Sandbox 15.9%, Crafting 12.1%, Space 10.5%, Survival 9.5%
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: Space Sim 22.3% ★, City Builder 18.4%, Sandbox 12.8%, Space 10.1%, Survival 9.2%
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 44.8% ★, Sandbox 21.7%, Exploration 10.4%, Space 6.4%, Simulation 6.1%
Lead a spaceyard: juggle contracts, design, prototype, and build all types of ships—from single-seat fighters to giant cruisers. Create custom vessels to meet precise client specs, then take the helm yourself to prove their worth.
Why similar: Space Sim 33.5% ★, Space 16%, Sandbox 13.5%, Simulation 10.7%, Crafting 9.8%
Revive civilization and save it from mysterious darkness. Story-oriented colony simulator with elvish flavor and indirect control. Demo available!
Why similar: Voxel 28.1% ★, City Builder 23.5%, Isometric 18.3%, Crafting 8.1%, Simulation 8%
Design and build your dream city — one building at a time. CityArchitect lets you create both the city and its architecture, combining styles, designing buildings, managing neighborhoods, and shaping a unique urban landscape.
Why similar: City Builder 33.6%, Isometric 23.1%, Sandbox 18.1%, Building 10.5%, Simulation 8.5%
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 44.7% ★, Simulation 16.3%, Space 9.9%, Exploration 8.9%, Sci-fi 5.9%
Crafting Block World is an adventure with sandbox elements that will help you build your ideal world!
Why similar: Voxel 35.9% ★, Sandbox 17.3%, Survival 11.5%, Crafting 8.1%, Simulation 7.3%
Terra Toy is a simple, peaceful sandbox game about building a tiny planet! Raise mountains, dig rivers, paint beaches, and plop down trees to create the landscape of your dreams. There are no complicated menus or difficult-to-use tools, just a blank planet and your imagination.
Why similar: Voxel 28.3% ★, City Builder 23.8%, Sandbox 18.8%, Space 10.5%, Building 9.3%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 36.4% ★, Sandbox 19.5%, Space 14.7%, Simulation 7.8%, Crafting 7.3%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space Sim 28.1% ★, Sandbox 12.9%, Crafting 10.4%, Space 9.3%, Survival 8.1%
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 31% ★, Sandbox 19.9%, Crafting 14.8%, Survival 11.9%, Open World 7.5%
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
Why similar: Space Sim 34.8% ★, Sandbox 14.3%, Space 13.2%, Simulation 7.6%, Sci-fi 7.4%
WarpedSpace is a sci-fi survival adventure game set in deep space. A massive, open environment full of wonder and peril awaits you!
Why similar: Space Sim 27.5% ★, Sandbox 12%, Crafting 11.8%, Space 10.5%, Survival 10%
Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.
Why similar: Space Sim 27.2% ★, Sandbox 21.8%, Space 15%, Crafting 10.2%, Simulation 6.8%
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 23.4% ★, Sandbox 14.6%, Space 11.7%, Crafting 9.7%, Survival 8.8%
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
Why similar: MMORPG 31.1% ★, Space Sim 30.3% ★, Space 11.9%, Crafting 6.6%, Open World 5.8%
Control a mining drone in space. Scan asteroids, extract resources, and manage your equipment. Optimize your workflow and explore a relaxing sci-fi mining experience.
Why similar: Space Sim 39.9% ★, Voxel 25.9% ★, Simulation 14.7%, Space 9%, Sci-fi 5.4%
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 24.9% ★, Sandbox 14.7%, Space 11%, Crafting 10.3%, Survival 9.1%
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: Space Sim 23.5% ★, City Builder 19.3%, Isometric 12.8%, Sandbox 11.5%, Space 9.1%
Serve delicious dishes! Quickly prepare meals from a wide variety of menu items and deliver them to your customers. A restaurant management simulation game where you aim to maximize your sales.
Why similar: Voxel 37.8% ★, Cooking 27.8%, City Builder 18.8%, Simulation 15.5%
Survive the void in Null Hørizøn. Trade, fight, and explore a retro-futuristic 3D galaxy with 2D sprites. Upgrade your ship, smuggle goods, and travel across the universe. Tactical Real-Time combat meets Grid-based exploration in this atmospheric space sim. The Null Hørizøn calls, Captain.
Why similar: Space Sim 38.2% ★, Sandbox 15.6%, Simulation 10.6%, Space 9.4%, Crafting 7.1%
Colonize Mars on your wallpaper. A relaxing and interactive game that takes place in the background. It's perfect if you want to change your boring wallpaper.
Why similar: Space Sim 23.2% ★, Voxel 20.9% ★, City Builder 18.2%, Isometric 15.4%, Crafting 7.7%