Top similar games like Flat Worlds:
Flat Worlds $14.99
Flat Worlds is a VR space transport game set in our very own Solar System. Setup transport networks of people and natural resources, guiding the path of human colonization around the Solar System's planets and moons. What will we find when there is no more room to grow?
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Space Engineers$19.99
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.

Ascent - The Space Game$19.99
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.

Zero Sum Future$9.99
Outwit the opposition in this competitive multiplayer base-builder. Wield potent player powers, build nefarious illegal buildings, and crush the competition, all in a no-holds-barred attempt to expand across the solar system and be the last colony standing.

Starship EVO$19.99
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!

Star Rangers™ XE$11.99
Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.

Rekindling$14.99
Rekindling is a settlement building and management game. You are tasked with rebuilding society after the ZTD virus has taken over and turned the masses into mindless creatures. Build, Harvest, Mine, and Fight with your survivors to build a sustainable society and take steps towards finding the cure!

Cabin Crew Life Simulator$12.99
Have you ever wondered what flight attendants do on each flight? Let's find out with Cabin Crew Life Simulator, the pioneering flight attendant simulator with variety of aircraft, airports, passenger services, handling emergency situations, in-flight business, teamwork and much more.

Unclaimed World$16.99
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim. Centuries after planetfall, colonists are still struggling to gain foothold on their lush and alien planet. You settle on the frontier by carefully managing resources, production and different personalities.

Space One - Electron$0.99
Adventure through a limitless procedural galaxy, as you play the role of a colonist in this epic colony simulator.

Children of the Galaxy$19.99
Children of the Galaxy is a grand scale 4x turn-based strategy game with a turn-based combat and tactical elements. You can explore the galaxy, colonize planets and build huge armies of starships to fight in epic space battles.

The first titans$0.99
The first titans is an indie VR game where the shooters, tower defense and strategy games meet together. You will land in a hostile planet where you have to protect your crystal reactor. Recollect resources, build towers and kill the aliens trying to destroy you.

Poly Universe$9.99
Poly Universe is a survival city-building game in a galaxy where planets are only slightly larger than the colonists who inhabit them.

Pax Nova$24.99
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.

Stellar Tactics$19.99
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with over 160,000 star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!

Eggoria$19.99
Unlimited world size&Migration. Digdog Studio's new Building/Survival Game, manage mysterious eggs, survive in an unlimited world, run away from darkness, build, research, craft, rest, prey, build your own tribe or even a town. Finally beat the darkness or live with it. Very Hardcore

Equilibrium$11.99
Equilibrium combines god-game, resource management, and planetary simulation. Minimise atmospheric pollutants, and keep global temperatures hospitable for human life. Or let dirty industry run rampant and produce a blazing hot tomb world. We're not your boss, it's up to you.

StarMade$14.99
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!

Solar System Conflict$9.99
Solar System Conflict is a multiplayer space-survival game in which a colony of humans is stranded in a recently discovered solar system, in search of a way back to Earth.

Dyson Sphere Program$19.99
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

Boundless$19.99
Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility.

Starway: BaRaider$5.99
This is a sci-fi VR action shooting game. Mechanical frenzy is coming! Players have to teleport to survive from thousands of bullets.

Starlight$9.99
Ignite the imagination on the edge of the Galaxy. Discover alien landscapes and exotic alien lifeforms on a mission, millions of light-years from Earth, Play as an android sent from Earth to explore the Universe. Craft! Explore! Uncover the mystery of our origins in the Universe.

Near Sol$7.99
Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)

Automation - The Car Company Tycoon Game$29.99
Make your dream cars a reality with Automation’s unparalleled car and engine design tools. Gain a competitive edge through smart engineering and business decisions to help you build an automotive empire. Will you become an industry leader, or just a footnote in automotive history?

ASTROKILL$9.99
Focused on combat without compromising realism, ASTROKILL is a modern space shooter drawing inspiration from old-school games like TIE Fighter and Freespace 2. Players pilot fighters, gunships, interceptors, and medics (in 1st or 3rd person) from warring factions in ballistic dogfights.

Modbox$14.99
Modbox is a multiplayer game creation sandbox for Desktop+VR

Battle for the last chicken$4.99
As a desperado, you join in a very thrilling death game for a large amount of money. The game has 100 people involved.

Between the Stars$29.99
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

Galaxy Idle ClickerFREE
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!

MicrocosmFREE
Build tiny voxel worlds in virtual reality! Microcosm is the game I've wanted to play in VR ever since I saw the Oculus Rift Kickstarter way back in 2012. I picked up a Vive last year, but no one seemed to be making the voxel game I wanted. Finally, I just decided to build it myself.

Minds of Nations$19.99
Grand Strategy Game. How does reincarnation affect the evolution of a state ? Control the material well-being of your country with a backbone of spiritual growth. Religion. Economy. Diplomacy. War. Souls. Karma. Ideology. Tech. Stories. Single-Player. MMO.

Galaxy in TurmoilFREE
Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.

Beyond Contact$19.99
A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?

Space Station Manager$11.99
Space Station Manager is an exciting game where you own a space company, your main goal is to build a space station, make profit, grow your business, build an economical network, and expand beyond the solar system.

Keng's Little Universe$5.99
The game is divided into three parts, which simulate three stages of civilization respectively. The first is the survival of civilization in a multi-stars system. The second is the expansion and war of civilization in a galaxy. The third part is the exploration of god civilization in the universe.

Drift: Space Survival$19.99
You were deep in uncharted space on a research mission. Disaster struck. Together with your friends, explore a mysterious asteroid field and mine whatever resources possible to build what you need to survive.

Buoyancy$12.99
Buoyancy is a city-building strategy game where you build, manage, and move a floating city on an oceanic world. Explore and scavenge resources scattered around the endless waters. Keep your villagers nourished and happy while combating fires, sickness, and pirate attacks.

Space Engineers 2$29.99
The ultimate space sandbox, reimagined. Unleash your creativity with powerful building tools, explore the mysterious Almagest system, and uncover its captivating story. Join the Early Access and shape the future of space engineering!

Bifrost Project$14.99
Discover a base building game, with exploration and diplomacy components in an universe halfway between fantasy and Sci-fi, taking it's inspiration in the serie "Stargate SG-1" and the north mythology.

Through the stars$11.99
Through the Stars is an engaging blend of deck-building roguelike and turn-based tactics, where you lead a small space fleet to break through enemy lines and save your planet's population. The planet's defense is on the brink of collapse, and only you can change the course of events.

Starfighter: Infinity$19.99
A space based MMORPG with a focus on ‘dogfighting’ style action and exploration. Features a huge array of ships, imaginative weapons and ship upgrades with more being added all the time. Explore the galaxy, fight other players, form your own organisations, mine asteroids to craft new items, loot rare weapons from alien races, and more...

Orch Star$14.99
Orch Star is a real-time strategy game set in an immersive space universe where orchs and elves fight for domination. Crush your opponents as you lead a rebellion through the campaign, or challenge other players in online battles to conquer the galaxy.

Rodina$14.99
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!

Infinity: Battlescape$34.99
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.

Uncharted Space - project 3062$59.99
In this game, you are a leader, leading a force of army to fight other forces in the deep spaces. You will plunder their resources, build your homelands, explore and expand, managing your army both strategically and tactically. This will be a saga written with blood and fire.

Periphery Online$9.99
A refugee capsule lands on an uninhabited planet. You have to survive, rebuild civilization and, if possible, regain control over the Earth. One big universe, one endless pvp session for all players.

Off Course ELEMENTS of SPACE$9.99
2d pixel art, top down sci- fi space ship building, resource management simulation with some arcade, tower defense elements. You build spaceship, collect necessary resources and defend yourself against waves of enemies. Equip ship with: rockets, life support, electric system and weapons.

Orbital Shipyards$9.99
Build, Explore, Fight. Build a ship of your imagination, explore the vast cosmos, and fight for your stake in the galaxy.

All Guns On Deck$12.99
All Guns On Deck is a naval strategy, real time tactics action rpg with a unique battle system and unforgiving world to conquer.

Space Simulation Toolkit$19.99
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.

Transporter$16.99
Modern transport sim game combining realistic simulation with indie game style, old-school grid environment, newest features, and modern transport options. Transport a wide variety of cargo and passengers over road, rail, and water, and create your own transport company!