Irongrim Tower
Tower defense meets city building in a grimdark sci-fi world. Build vertically, manage resources, defend against alien hordes, and command machine priests in humanity's last stronghold.
The top results based on the latest update are Surviving Mars [Score: 1.1], The Final Earth 2 [Score: 1.1] and Outpost Surge [Score: 1.0] The top rated games you can find here are Surviving Mars [SteamPeek Rating: 7.5] ranked #1, Space Haven [SteamPeek Rating: 7.3] ranked #8 and Planetbase [SteamPeek Rating: 6.7] ranked #18 Also don't forget to check the newest releases Utopia Colony [Release date: 2026-04-04] ranked #35, Solargene [Release date: 2026-01-19] ranked #11 and Final Frontier Story [Release date: 2026-01-06] ranked #22 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Reshaping Mars [SteamPeek Rating: 5.6] ranked #12, Farlanders [SteamPeek Rating: 5.6] ranked #13 and Planetbase [SteamPeek Rating: 6.7] ranked #18.
Tower defense meets city building in a grimdark sci-fi world. Build vertically, manage resources, defend against alien hordes, and command machine priests in humanity's last stronghold.
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.
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?
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.
Build your way to success! Trade your way to the top! Explore your way to infamy! Do it all your way!
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
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.
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.
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
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.
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
「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.
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Engage in the construction of your station from a variety of different modules. Create your space fleet. Protect your base from enemies...
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.
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.
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.
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.
Amidst powerful alien empires, you are among the first humans in this corner of the procedurally generated galaxy. Trade and explore. With no combat, your success hinges on mastering complex alien economies and navigating intricate politics. Can you carve out a place for humanity in the cosmos?
Civilization was born from a chaotic star system and has been constantly tested in its development, from ancient civilizations to occupying the entire galaxy, which is long and dangerous.
Dodge lasers and explore! Planetary Development Simulation
"Touch Your Eyes" is a game born in the 2023 CiGA Gamejam. It is primarily a puzzle game with a gameplay style similar to pushing boxes, featuring multiple levels with special mechanics. We will continue to develop this game, and during this process, we welcome everyone to join our Discord and QQ communities to share your...
What if there was a train, in space? Embark as a simple passenger or take a longer-term role as a member of staff in an asymmetric gaming experience like no other.
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.
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!
Mars Era is a turn-based strategy game about Mars colonization. Build your base, welcome settlers, gather resources, research technologies, and overcome the harsh conditions of the Red Planet. Manage your settlers, develop infrastructure, and turn Mars into a new home for humanity! 🚀
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.
Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.
Titan: The Ascension is a colony management strategy game on Saturn’s moon Titan. Build and expand an off-world industrial colony, extract ice to produce water for Earth, trade resources, and defend against ancient automated systems that react to technology growth. Will you prevail?
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
This is a game combines SIM and SRPG. Please lead your family, your friends and strangers who come to you to survive in this broken, unknown and fascinating universe, Captain.
KNOW YOUR ENEMY. FIRE YOUR CANNONS. A spaceship management and combat game. As the Captain of Silver Wolf, command your crew and use your energy strategically. Change your future with your decisions. Arm your ship and strengthen its shields. Survive in the solar system full of dangers.
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
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.
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