Top similar games like Project Hortus:

In Space Drilling Station, manage and automate a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to solve the energy crisis and destroy the competition!

Colonize rich planets with vegetation or deserted moons. Build a functional and prosperous colony. Take care of your colonists. Experience adventures on distant worlds or build a colony on planets in our solar system.

Embark on an exciting mission to establish a colony on Titan, Saturn's enigmatic moon. Following Earth's collapse, humanity's fate rests in your hands. Gather essential resources, excel in trading, and combat ancient technology to secure our future on Titan's harsh frontier. Will you prevail?

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.

Embark on a space city-building adventure in Moons of Ardan! Develop a thriving civilization in a real-time planetary system. Oversee production chains, cater to the needs of your axonauts, recover their lost technologies, and navigate resource transportation.

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.

Embark on a cosmic odyssey as the director of your own space station in a galaxy full of wonders. Skillful management is vital as you construct and connect station components, oversee resource handling, and guide your space haven to reach new heights amidst the stars.

Planet Pioneers is a relaxing building and puzzle game where you prepare new planets for settlers. Build tiles strategically, fulfill quests for your settlers, keep pollution low and enable new buildings along the way. Shape the planet as you wish until it’s time to move on to your next challenge.

Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.

Ifectra is a strategy game set in 2124 on the distant planet Emevera III, ruled by the Maxploit Corporation, where an epidemic of a yet unknown virus broke out. Your goal as the corporation security commander is to evacuate as many healthy people as possible and to eliminate infected individuals.

Calling Home is an exciting sci-fi simulation resource management game that draws heavily from games in the factory-building and exploration genres, providing a thrilling mix of building your base, researching, factory management, puzzle solving, exploration, and resource gathering.

In the distant Milky Way galaxy, there hides a mysterious planet named Mozi Planet. This planet has a vast and boundless ocean, and every drop of seawater is shining with a mysterious light, as if telling the ancient interstellar secrets.

A science fantasy dice city builder. Construct buildings, manage resources, and build in harmony with an alien ecology. Beneath the glow of a gas giant, Amberspire will grow and prosper into a flourishing city atop the ruins of an abandoned moon.

Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.

Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.

Embark on a journey of strategy and domination in Moons That Belong, a 2D space strategy game that challenges your tactical prowess. Command your fleet, conquer planets, and outsmart your opponents in this visually captivating and intellectually engaging adventure.

Outpost Surge is a society survival game on Mars, where players balance resource management, city growth, and settler health to turn a barren landscape into a thriving, vibrant city.

Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.

「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.

Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.

A single-player survival RTS game about exploring the vast cosmos, the many planets inhabiting it and their countless secrets. You'll need to explore, gather resources and research new technologies in order to survive, thrive, and eventually build a colony on a bizarre, foreign world.

Co-op and Single player Tower Defense genre.

ViSP – Virtual Space Port is a creative building game for VR. Construct your own space port out of blocks and defend it against relentless enemies to fortify your space colony!

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.

Reapers Inc., is a fast-paced RTS where you lead an elite squad to defend your base against relentless intergalactic threats. Navigate diverse planetary biomes, strategically manage your squad, and use quick decision-making skills to exterminate your foes. Stand your ground, and reap the rewards.

Cosminomy is a minimalist colony builder with unique turn-based mechanics and compelling visuals. Make strategic building choices, collect resources, and expand your economy to distant galaxies.

Explore an epic fantasy medieval world where dwarves fight for survival in a hostile universe. Guide your colony of dwarves through unique challenges, tough moral choices, and unforgettable encounters. Explore, mine, build, trade to ensure the prosperity of your people.

A small cozy community builder where all buildings are based on the same foundation! Take your time, build a sustainable community for your residents in this relaxing game, with no time pressure or external forces. Upgrade foundations via tech tree to redefine and refactor your space.

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.

Expedition: Shadow World is a tactical game about an expedition sent to a distant planet to extract energy resources. Command a group of five troopers in real-time battles with a tactical pause and discover the mystery of the planet.

HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!

Time and Space Legacy is a top-view puzzle game where you design and build your own space stations. Manage scarce resources, lay out buildings accordingly, and use advanced time-traveling technologies to save the future of humankind !

Galactic Veins is a groundbreaking survival RPG that seamlessly blends action and RTS. Lost in an uncharted galaxy, you'll explore hostile regions filled with danger and mystery. Harvest resources, salvage technologies, and uncover the secrets of the universe as you fight to find your way back home.

After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!

Expand among the stars! It is 72k years in the future, and a new wave of Human expansion abounds. Join the ranks of the Ecxos, prep star systems for habitation, and develop your tools and ships to enterprise ever faster and further.