Top similar games like Suns Unknown:

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Explore alien planets with carefully designed ecosystems, weather, resources, dangers and unique phenomena. Hunt animals for food and collect resources to craft equipment and repair devices on your ship. Escape each unique planet and unlock crew members and new ships.

Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.

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.

A space colony survival sim. Build a station room by room, lay the wires, pipes and ducts that carry power, water and air, and keep a crew fed, rested and sane. Build it how you like and keep it running.

Mine, build, upgrade, and extract. Scavenge planets in a base-building resource management sim. Gather materials, construct facilities, and order units to survive in a hostile galaxy. Launch your base to the next zone before planetary threats overwhelm you.

Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

Cats are taking over the universe. You're here to help. A colony sim where cats settle procedurally generated planets under the PAPPUS Program. Build your cat colony while exploring the universe's mysteries. Spread feline dynasties among the stars.

Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

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.

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This challenging survival colony sim features deep simulated ship systems and a whole universe to explore.

You command a drilling train, leading a dwarf clan through the underground depths toward the planetary core. Manage the crew, complete expeditions, gather resources, upgrade gear, and make tough choices to reach the abandoned city and bring your people back home.

Adventure through a limitless procedural galaxy, as you play the role of a colonist in this epic colony simulator.

AstroCore Mining puts you in charge of a colony where profit is everything and survival is fragile. Extract resources, balance factions, and face pirates and unrest. Lead not just a colony but the future of a nation in the brutal reality of space capitalism. Join to the Playtest now!

Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?

The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

A prologue to a survival strategy game on the Moon. Contact with Earth is lost, help isn’t coming, and the Sun burns everything in its path. Control your mobile base, gather resources, make tough moral choices—and run into the shadows.

Build a massive Ice Crawler powered by a nuclear power plant on a distant planet where you need to generate energy to survive and rescue other survivors. Your crawler base can accommodate dozens of survivors and have dozens of floors. Learn how to build a nuclear power plant to survive.

Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

As the AI responsible for a Generation Ship, you are humanity's last hope. Build efficient raw material cycles and help your crew in a realistic real-time simulation to survive the challenges of space on their long journey to a new home!

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

Stranded on a small island, you must gather, build, and automate to survive and turn a humble camp into a thriving, self-sustaining base.

Outer Factory is a peaceful, minimalist factory simulation where you build and automate factories across planets and asteroids. Create complex production networks with simplified building mechanics. Become an interplanetary automation expert.

CloudDwellers is a 2D simulation and city-building game set in a world of scattered floating islands. Guide your settlers to harness technology, optimize production, and transform fragmented skies into a thriving, beautifully crafted aerial haven.

Explore a fantasy ocean-punk world, braving the deep with steam-powered marvels. Discover mysterious underwater treasures, but scarcity and ecological crises test survival. Rise, build, confront foes in this pixel-art ocean survival journey!

Discover a whole new world with Mars City Builder! Construct roads, erect buildings customize the city and take care of its safety. After all, you are the first Martian settler and this is a vast, unknown land. Develop it in any way you please!

The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

Stella Astrum is a whimsical factory game where you manage elemental resources to form Stars, Planets, and more. Use your skills to unlock upgradable factories, nurture colorful celestial bodies, and shape an expansive galaxy. Sit back, relax, and amplify the universe beyond its artistic limits!

Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.

Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.

Explore a mysterious planet, harvest and refine resources, discover new technology, craft machines, and set up automated factories.

Breadoria is a survival colony sim where tiny Breads gather, build, craft, and defend their home from hungry invaders. Take control of any Bread, or automate your colony as you plan its next expansion.

There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.

Your settlement-builder with dragon taming. Raise your dragons and build a thriving settlement. Enjoy city-building, dragon taming, exploration, and conquest in a magical world.