Games like Outpost Surge

Stranded at the Edge of ExistenceAfter a catastrophic first contact shatters humanity’s expedition fleet, you and a small group of survivors crash-land on a hostile, unknown world in the Lost Galaxy—a forgotten corner of the universe, beyond charts and signals. With no help coming, your only hope is to build, defend, and rediscover what remains of our fractured civilization. Can you survive the e… If you enjoyed this game, see our list of games similar to Lost Galaxy: Echoes of War.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, optimization

89% User Score Based on 154 reviews

Alien Horizon is a sci-fi survival city builder set on an inhospitable alien planet. Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected. Can you survive anyway? Features complex resource management, no contact with Earth, exploration… If you enjoyed this game, see our list of games similar to Alien Horizon.

"The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever." - Konstantin Tsiolkovsky Asteroid Colony is a real time strategy city builder and economy simulation game set in the future of mankind. Help humanity leave its cradle and establish a colony in the far away asteroid belt, outside the orbit of Mars. It is up to you whether humanity can reach its c… If you enjoyed this game, see our list of games similar to Asteroid Colony.

36%Game Brain Score

Most mentioned positive aspects:graphics

57% User Score Based on 14 reviews

Outer Space Shack is a base building game that simulates the key constraints of space exploration. From rocket payloads to solar panel yield, every element in the game is based on real-life characteristics. As you build and expand your space base, you'll need to plan an efficient layout and increase its capabilities through new buildings and machinery. Use rovers to do the heavy work at first, … If you enjoyed this game, see our list of games similar to Outer Space Shack.

51%Game Brain Score

Most mentioned positive aspects:stability, story

100% User Score Based on 2 reviews

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. It began as a research station, but it became so much more… Sky Base Venus is a colony simulation set in the upper a… If you enjoyed this game, see our list of games similar to Sky Base Venus.

71%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

88% User Score Based on 32 reviews

Welcome to an exciting survival colony simulation game that takes you into the vastness of the cosmos! Starting with a small group of colonists, you're tasked to mine resources, refine materials, build structures, and innovate with new technologies. Across generations and centuries, you'll expand your settlement into a thriving civilization and terraform the planet to make it your new home. Prospe… If you enjoyed this game, see our list of games similar to ExoColony: Planet Survival.

79%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

79% User Score Based on 15,549 reviews

Deck out your dome with 25 new buildings to give a fresh look to your living, working, and playing quarters. Whether it’s a Stirling Generator or a Spacebar, make sure you spruce up your space to be out of this world. If you enjoyed this game, see our list of games similar to Surviving Mars.

55%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, atmosphere

77% User Score Based on 22 reviews

Quriocity is a sci-fi city builder game set on a bare alien planet very similar to Earth. Build and upgrade a wide variety of units to extract resources and provide services, such as maintenance, food production, education, entertainment and many more. If you enjoyed this game, see our list of games similar to Quriocity.

74%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, grinding

74% User Score Based on 2,198 reviews

Aven Colony is a city-building and management sim that tells the story of humanity’s first settlement of an extrasolar world. Land on exotic Aven Prime, where you must construct and maintain the infrastructure and ensure the well-being of your citizens, all while dealing with the often harsh realities of an exotic alien world. On top of this, you’ll face the greatest challenge of all — keeping yo… If you enjoyed this game, see our list of games similar to Aven Colony.

Pinevale Settlements is a colony-building simulation that combines production and defense cycles. Start with a small settlement; collect resources, build structures, automate production, develop technology, and keep your colony alive against increasingly powerful raids. The game has undergone major changes in design and gameplay after the big update. We have a long way to go and will continue to … If you enjoyed this game, see our list of games similar to Pinevale Settlements.

65%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

65% User Score Based on 57 reviews

The Aztecs — a mighty Mesoamerican civilization that thrived for over three centuries, ruling vast territories and forging one of the most awe-inspiring societies in human history. A people of vision and strength, steeped in rich traditions, powerful deities, and sacred rituals. You are Tlatoani, a divine Aztec leader, born to shape the destiny of your people. Construct and develop the majestic ci… If you enjoyed this game, see our list of games similar to Aztecs The Last Sun.

78%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

76% User Score Based on 3,372 reviews

Critic Score 81%Based on 11 reviews

Per Aspera is a narrative-driven strategy game with the goal of overcoming the challenge of terraforming Mars. Explore the planet, gather resources, and make strategic decisions as you live the fantasy of scientifically-based interplanetary expansion. Hardship awaits. If you enjoyed this game, see our list of games similar to Per Aspera.

63%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

68% User Score Based on 287 reviews

Critic Score 40%Based on 1 reviews

Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running! If you enjoyed this game, see our list of games similar to Oxygen.

86%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

94% User Score Based on 478 reviews

Critic Score 50%Based on 1 reviews

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. If you enjoyed this game, see our list of games similar to Farlanders.

70%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:gameplay, optimization

70% User Score Based on 115 reviews

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. If you enjoyed this game, see our list of games similar to Reshaping Mars.

53%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, story

51% User Score Based on 420 reviews

Critic Score 58%Based on 1 reviews

Stable Orbit is a highly realistic space management simulation game. Set in 2034, an unprecedented ‘All Nations Space Coalition’ has been formed around a shared desire to rebuild mankind’s permanent presence in space. But space is a dangerous place. The only things between survival and your crew suffocating, blood boiling and radiation overdose are the thin walls of the space station. If you enjoyed this game, see our list of games similar to Stable Orbit.

85%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

85% User Score Based on 1,744 reviews

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! If you enjoyed this game, see our list of games similar to Cliff Empire.

The First Explorers® is a Settlers-like game, that offers the perfect mix of organic city-building and RTS in a bustling world. Set in the time of antiquity in Europe, you will play as the Romans, Carthaginians or Gauls. Are you ready to raise an army backed by a thriving economy? Every building is assembled piece by piece. In what kind of world is The First Explorers® set? The game is s… If you enjoyed this game, see our list of games similar to The First Explorers®.

Starship Colony is a deep spaceship 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. Survival in Space is HardResources are plentiful but you must journey acro… If you enjoyed this game, see our list of games similar to Starship Colony.

53%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, optimization

63% User Score Based on 35 reviews

Design, build and manage your own hydroponic farm on Mars. Place buildings and machinery, hire robot workers, grow food, research new technologies, manage contracts and avoid being destroyed by random space events! If you enjoyed this game, see our list of games similar to Roboplant.

67%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

67% User Score Based on 297 reviews

Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades. Make use of minerals and resources across the Martian surface to expand from the first exploratory rover to an independent frontie… If you enjoyed this game, see our list of games similar to Sol 0: Mars Colonization.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

68% User Score Based on 530 reviews

Critic Score 68%Based on 1 reviews

Aquatico is a survival city builder set deep beneath the waves. Choose your strategy, obtain resources, build your futuristic city and prove no challenge is too hard. If you enjoyed this game, see our list of games similar to Aquatico.

68%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, atmosphere

64% User Score Based on 78 reviews

Critic Score 77%Based on 3 reviews

Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. Explore, Build and Prosper! If you enjoyed this game, see our list of games similar to orbit.industries.

71%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

71% User Score Based on 1,840 reviews

Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts. If you enjoyed this game, see our list of games similar to Occupy Mars: The Game.

61%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, grinding

61% User Score Based on 866 reviews

Meeple Station is a cooperative Space station Simulation game. Strongly inspired by Dwarf Fortress and Rimworld (with a hint of Space Station 13). Where the complexity of a simulation game blends with the friendly and satisfying nature of a Real-Time-Strategy game. If you enjoyed this game, see our list of games similar to Meeple Station.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding

68% User Score Based on 93 reviews

You and your crew have been shipwrecked on a tropical island in the late 1600s. At the beginning of the adventure, you find yourself with only a few basic supplies, including ropes, sticks, and stones. Set Up Your Camp and Expand: Gather resources on islands and seas. Build new Buildings. Grow your pirate camp by building buildings like Carpenter, Blacksmith etc. Survive with your crew: As the c… If you enjoyed this game, see our list of games similar to Pirates Journey.

47%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, optimization

47% User Score Based on 112 reviews

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. If you enjoyed this game, see our list of games similar to Sphere: Flying Cities.

66%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, stability

76% User Score Based on 100 reviews

Critic Score 45%Based on 4 reviews

Starport Delta is a space station builder where players must balance resources, station maintenance and resident requirements. Juggle the needs of your population against expanding and dealing with whatever space throws your way... If you enjoyed this game, see our list of games similar to Starport Delta.

Build. Grow. Survive. In Orbit Engineer, you take command of your own space station. What begins as a modest outpost quickly becomes a complex, living ecosystem where every decision matters. Expand your station, manage critical systems, and guide your crew as they push the limits of human survival in space. Your responsibilities go far beyond construction. You must carefully manage crew morale, … If you enjoyed this game, see our list of games similar to Orbit Engineer.

Embark on a one-way journey to a distant planet, where your mission is to establish and thrive in a small colony. Returning to Earth is not an option. The rich resources in the region offer a promising start, and with your colonists, you’ve already begun to explore and mine. As in any space mission, danger is everywhere, and you must thrive to survive. You can utilize various resources to establi… If you enjoyed this game, see our list of games similar to Too Far Too Late.

Plebs is a casual base building real-time-strategy game that places you in an unexplored land ripe for expansion and conquest. Set in a time of ancient Nations, you are tasked with harvesting resources, crafting tools and weapons, feeding your Plebs, and training an army to defend against and conquer your enemies. You begin with a small settlement and a limited pool of resources, but with careful… If you enjoyed this game, see our list of games similar to Plebs.

62%Game Brain Score

Most mentioned positive aspects:gameplay, music

94% User Score Based on 17 reviews

In this puzzle colony builder you search for lost parts of your spaceship AUTARKIS. Build and manage several settlements at the same time and use portals to supply them. But be careful, the planets you visit are full of dangers.Tactical Colony Layout When your settlers land on a planet, they will find a harsh environment. Each building depends on its neighbours. Think carefully about the most effi… If you enjoyed this game, see our list of games similar to AUTARKIS.

An immersive sci-fi city builder where you build your own thriving colony, against adverse planetary conditions, alien lifeforms and even your own population. Please check the bottom of page for the DEMO of the game New in Update 4    (16/July/2025) - Improvements to UI windows and menus- Improved UI Scaling- In-game Options menu now has confirmation dialogues for certain actions- Added b… If you enjoyed this game, see our list of games similar to Brave New Colony.

Join our Discord About the GameSurvive. Automate. Rebuild the Future.Autonomica is an open-world survival automation game where biological resources become chemical reagents, reagents become machines, and machines restore a world destabilized by temporal experiments. Play solo or in co-op as you build bases, automate supply chains, capture night Phantoms, and extract rare resources from uns… If you enjoyed this game, see our list of games similar to Autonomica.

73%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, story

84% User Score Based on 38 reviews

Possible One is the ultimate colony management game set in space, and the only space-related RTS game based on proven or very feasible technologies, avoiding sci-fi. If you enjoyed this game, see our list of games similar to Possible One: Lunar Industries.

61%Game Brain Score

Most mentioned negative aspects:gameplay, replayability

79% User Score Based on 28 reviews

Step into the role of a lord, starting from scratch to build your kingdom. Gather resources, construct buildings, recruit troops, explore, and embark on adventures to continuously expand your territory and defend your homeland. If you enjoyed this game, see our list of games similar to Kingdom Ascension.

66%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:monetization, stability

86% User Score Based on 28 reviews

This is a DEMO version of Stellarcraft. The full Early Access version is available on a separate Steam page. Stellarcraft is a sci-fi tower defense game in which you explore different planets, collect resources and complete missions. Build and upgrade defenses to fend off enemy waves and develop your character. Strategic planning and technological upgrades are the key to success. Explore… If you enjoyed this game, see our list of games similar to Stellarcraft The Prologue.

66%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

70% User Score Based on 46 reviews

Venture aboard humanity’s first and final generation ship, a desperate expedition teetering on the rim of collapse. You are the Caretaker- you must make the most of finite supplies and rally the remaining survivors to restore a sustainable society. Adapt to the strange ecological entity propagating on board, or succumb to ruin. It’s going to be a long journey, but no two journeys will be the same…… If you enjoyed this game, see our list of games similar to Generation Exile.

88%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

96% User Score Based on 43,956 reviews

Critic Score 78%Based on 7 reviews

You are sent on an hostile planet with one mission: Make it habitable for Humans. You'll have to survive, collect ressources, build your base and machines in order to heat the planet, create an atmosphere with oxygen and eventually geo-engineer an entire planet. If you enjoyed this game, see our list of games similar to Planet Crafter.

93%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, music

93% User Score Based on 84 reviews

As soon as humanity had the means we sent out an interstellar colony ship. Its design was basic but elegant. And it made it all 40.7 light-years to Trappist-1.— Ship data files On arrival at Trappist-1 you control the Ark. A large spaceship/movable colony and trading hub for your exploration of Trappist-1. Trappist is a story-driven colony builder with resource management in the Trappist-1 solar… If you enjoyed this game, see our list of games similar to Trappist.

95%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, story

95% User Score Based on 77 reviews

Celestial Empire: Prologue is a free introduction to our upcoming Ancient China–themed city builder! Lay the first bricks of your grand city, guide your citizens, and immerse yourself in the unique atmosphere of the game. Celestial Empire: Prologue won’t include all the features available in the full version, but will let you have a taste of our climatic city-building experience, all whilst explor… If you enjoyed this game, see our list of games similar to Celestial Empire: Prologue.

68%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:story, gameplay

68% User Score Based on 136 reviews

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. If you enjoyed this game, see our list of games similar to Utopia Colony.

79%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, music

81% User Score Based on 48 reviews

Flooded is a reversed city-builder, in which you need to optimize your production on an island that shrinks over time. Gather enough resources to flee to safety, while the surrounding world is getting flooded. If you enjoyed this game, see our list of games similar to Flooded.

92%Game Brain Score

Most mentioned positive aspects:music, story

Most mentioned negative aspects:grinding, replayability

92% User Score Based on 130 reviews

In 960 A.D., the Zhao Song Dynasty was established. As the mayor, you'll need to help the townspeople settle down, cultivate the land and expand. However, when the emperor issues a national mandate, conflicts between factions threaten city development—what strategy will you adopt? If you enjoyed this game, see our list of games similar to Thriving City: Song.

87%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

87% User Score Based on 324 reviews

Terraformers: First Steps on Mars is a free standalone version of Terraformers, featuring an exclusive mission taking place before the main game. If you enjoyed this game, see our list of games similar to Terraformers: First Steps on Mars.

98%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:music, story

98% User Score Based on 106 reviews

Moons of Ardan is a captivating city-building game set in space that allows players to rebuild and expand their civilization across the moons in a living planetary system. If you enjoyed this game, see our list of games similar to Moons of Ardan.

You're alone on Mars.The mission is over. Your crew left you behind. You've got a pressure suit, whatever you can pull out of the ground, and a long way to go before you see Earth again. There's a rocket between you and home. You just have to build it first. Sol One is a first-person open-world survival game that tries to get the science right. It's for people who like grounded, science-driven su… If you enjoyed this game, see our list of games similar to Sol One.

You are dropped onto a distant, uncharted planet with nothing but a transport bay and a single rover.There are no visible resources.No clear paths.No second chances. To survive, you must explore. Scan the UnknownYour rover is your lifeline. Scan unexplored sectors in real time Reveal hidden resources beneath the surface Identify safe zones, hazards, and expansion paths Every decision matters.Scan … If you enjoyed this game, see our list of games similar to Nova Origin.

Your people are the power, and the problem. Land on an unknown planet and build a thriving colony in this sci-fi sim. Humanity’s last hope, rests in a pristine, yet perilous world. Will your COLONY survive, or will their conflicts BREAK it apart? In an age when Earth lies broken — torn apart by endless wars over dwindling resources and consumed by an unstoppable climate collapse — humanity face… If you enjoyed this game, see our list of games similar to Colony Break.

The Economic West is a vast and immersive western survival open-world game set in the rugged landscape of the 1890s frontier. Players take on the role of settlers, traders, and entrepreneurs, navigating the harsh realities of the Wild West while striving to build their fortunes. Whether you choose to play alone in single-player mode or brave the West with others in a multiplayer world, every decis… If you enjoyed this game, see our list of games similar to The Economic West.