Top similar games like Project Hortus:

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 a distant galaxy lies the mysterious Mozi Star. As a top engineer of the Galaxy Exploration Team, you're tasked with expanding the base there. With unlimited resources, you can freely build your dream alien base without the hassle of collecting resources or lengthy tasks.

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.

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.

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.

In the year 3200. The Ethernal ore used as fuel for spaceships was beginning to run out, a galactic war broke out for control of the Ethernal, the galactic emperor Erick V issued a challenge to achieve peace, "the faction that can produce the most Ethernal will control the entire galaxy".

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.

Colonize. Explore. Survive.

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.

This is a Simulation game. You will manage your cloud city, recruit adventurers all over the world, take them for exploration, obtain resources and blueprints. Construct buildings, make equipment, produce items, so to develop your city into greatness together with your adventurers.

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.

Build up your own civilization in the time of kings and kingdoms. Become the manager of a little town and make it to a great city. Defend it from other kingdoms and destroy them.

Embark on the challenge of founding a colony on Titan, Saturn's moon. Gather resources, execute strategic trades, guide humanity's survival post-Earth. Manage your colony wisely and shape the destiny of humanity on Titan's terrain. Are you prepared to seize the opportunity for greatness?

You are given a chance to influence the development of your characters and settlement, forcing you to think strategically and make decisions that will affect the events in the game. Enjoy this immersive game experience where your every move will have meaning and consequences.

New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.

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.

Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.

Planet Pioneers is a relaxing building strategy and puzzle game where you place hexagonal tiles around pristine planets. Grow your colony, fulfill quests for your settlers and enable new buildings along the way. Shape the planet as you wish until it’s time to move on to your next challenge.

SpaceDominator is strategy fantasy open world where you can discover universe! Contact other civilizations, make friends or enemies, start trading or fighting, expand your own area or help others to expand, increase your intelligence level.. and much more! Follow developing http://discord.gg/cqEZJ5J

Dive into Asterminer, a serene, atmospheric journey in space. Control a mining ship, train, and operator on distant planets and asteroids. Gather resources for your loved ones in this immersive, slow-paced, grounded sci-fi adventure.

Frigato: Shadows of the Caribbean is a challenging Real-Time Tactics stealth game set in the intriguing realm of pirates. Take command over a motley crew of sea rogues and beat the British Royal Navy to the Caribbean’s most valuable treasure.

“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!

Explore a unique, procedurally generated galaxy filled with alien artifacts and resources to extract and exploit. Mine asteroids, harvest nebula, pilot unique ships and find new and strange things in the void between stars as you struggle to survive long enough to find another home.

Abyssals is a Survival City Builder in the dark depths of an inhospitable planet. Build your underwater colony, explore where light can’t reach, and hunt for scarce resources. Expand your infrastructure and power your lamps, as danger lies in the deep, hidden in the dark.

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!

「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.

Create intricate and satisfying road systems in tiny utopian cities Causeway is a minimalist road building sim where you help futuristic hover vehicles find their destinations by building roadways to connect different highways. Get ready to build the roadways of the future!

Survive in the skies of Venus with your floating colony as you balance buoyancy, mass, and altitude. Launch balloons and probes to explore the planet while harvesting resources from the atmosphere. Build up your colony and thrive in a simulation based on real science. Venus awaits.

Build, manage, and thrive in Island Master! Procedural islands, resource control, citizen happiness. Become the ultimate Island Master in this top-down city builder.

Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.

Space Tales is a real-time strategy game set in a retro-futuristic environment. Take on the role of a commander in the Intergalactic Planetary Expansion (I.P.E.) and immerse yourself in a thrilling mission to explore and conquer new planets, pushing the boundaries of the Human Empire.

You come out of the Vault, build a magnificent city.

Recovery Syndicate is a prequel to Abeyance, in which you are the leader of one of the factions trying to reconstruct the economy of the galaxy. You must build and manage your colony's resources carefully, while watching out for rival factions who are also vying for supremacy.