Games like Fathomless

77%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, replayability

75% User Score Based on 966 reviews

Critic Score 81%Based on 4 reviews

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. If you enjoyed this game, see our list of games similar to Before We Leave.

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.

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.

An atmospheric city-builder inspired by classics like Caesar III, Anno, and Pharaoh—set on the ocean floor. Build, manage, and expand your underwater colony as humanity flees a dying world. Balance resources, population, and survival in this deep colony sim across a structured campaign. If you enjoyed this game, see our list of games similar to Seabed Settlers.

Forge humanity’s future among the stars. In STELLARFORGE, you are more than a colony administrator — you are the founder of a civilization at the edge of known space. Build sprawling industrial megacities across hostile worlds, command interplanetary logistics networks, and lead humanity through an age of expansion, survival, and discovery. Design every aspect of your colony with deep, modular c… If you enjoyed this game, see our list of games similar to StellarForge.

Explore, scan, and conquer an unknown world. Deploy rovers, uncover hidden resources, and build a fully automated colony that must survive, adapt, and scale. If you enjoyed this game, see our list of games similar to Nova Origin.

65%Game Brain Score

Most mentioned positive aspects:atmosphere, emotional

Most mentioned negative aspects:story, gameplay

88% User Score Based on 25 reviews

Space Tales is a sci-fi RTS where you build fortified bases, manage resources, and command retro-futuristic armies. Adapt to deadly alien factions, capture huge monsters and turn them into powerful allies as humanity fights to survive among the stars. If you enjoyed this game, see our list of games similar to Space Tales.

52%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:story, graphics

85% User Score Based on 13 reviews

Build a self-sustaining industrial empire in the deep sea of an ocean-covered alien world. Explore procedurally generated waters, automate resource production, and turn alien life into renewable industrial output through advanced bio-cultivation systems. If you enjoyed this game, see our list of games similar to Deep Crafter.

An unforgettable journey of discovery, hope, and survival, as you strive to unlock the secrets of the universe and pave the way for humanity's destiny. By intertwining Exploration, Adaptive Gameplay, and Survival, ETERNITY offers a rich and immersive experience where you’re guiding humanity’s last fleet through a procedurally generated galaxy, and your “empire” is a moving city of ships. Every ve… If you enjoyed this game, see our list of games similar to Eternity.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

86% User Score Based on 865 reviews

Welcome to Drill Core, where corporate greed meets strategic planet-mining! By day, lead an elite crew of miners, carriers, and guards as they carve a path through hostile alien worlds. Build advanced facilities, upgrade deadly turrets, and prepare for relentless nightly assaults from alien lifeforms. Will you chase maximum efficiency at any cost, or play it safe and fight to survive? Drill Core i… If you enjoyed this game, see our list of games similar to Drill Core.

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.

64%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, replayability

64% User Score Based on 862 reviews

Discover and mine resources for construction, light your way in the dark, explore and expand into your surroundings to advance your research. Capture the diverse, highly-adapted flora and fauna of the deep, but beware: the darkness hides unexpected horrors, with only the light keeping them at bay. If you enjoyed this game, see our list of games similar to Surviving the Abyss.

59%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:gameplay, grinding

69% User Score Based on 36 reviews

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

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.

84%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, optimization

84% User Score Based on 410 reviews

STORYA natural disaster hit us and brought humanity to the verge of extinction. Only a few survived because of "Large Igneous Provinces", these are volcanoes that don't explode but huge cracks open in the Earth's crust and lava just starts bubbling out, oozing across the landscape, releasing tons of toxic gases. The most dangerous thing about an igneous province is that it can keep up th… If you enjoyed this game, see our list of games similar to Oxygen: First Breath.

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.

79%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

79% User Score Based on 426 reviews

A survival city-building game with flying cities. Build, automate, and defend a flying city to survive in a wacky, nightmare-infested, post-apocalyptic world full of strange science and dreams.Advanced society is long gone, the world is overrun by the Dream Plagues. The only survivors are small nomadic tribes that don’t attract too much attention. And now, the discovery of a long-abandoned project… If you enjoyed this game, see our list of games similar to Dream Engines: Nomad Cities.

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.

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.

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.

Travel the vast oceans of an alien planet in this roguelite colony management game where you must build and thrive aboard a massive ocean-faring ship. Stranded on an unknown world, you must seek essential resources to power vital production chains, manage crew morale and needs as you build your mobile colony, and defend yourself against all manner of existential threats in your quest for answers. … If you enjoyed this game, see our list of games similar to Rogue Carrier.

Build and defend an underwater colony on Europa. Master the physics of towing massive structures through the deep. Hack hostile tech and mine rare resources to out-compete rival factions in this atmospheric underwater survival-builder. If you enjoyed this game, see our list of games similar to Subciety.

A base-building survival game with terraforming and crafting. Earth lies poisoned and abandoned ten thousand years after invasion. Awaken from stasis, defend your fragile foothold, and restore a dead world so humanity can live here again. If you enjoyed this game, see our list of games similar to Project Tomorrow.

A futuristic city-building game takes place in the post environment devastated world. The last human frontier gives opportunity to YOU as the corporation to construct a fully self sustainable utopia city in the sky called “COMPLEX SKY”. https://store.steampowered.com/widget/1549600/ Will Available on Epic Store as well Gameplayfrom version 594 - Complex SKY is a city/factory build… If you enjoyed this game, see our list of games similar to Complex SKY.

Subzero Tides is a unique colony builder where you'll build a sustainable colony in an inhospitable environment of the Europa moon made possible by the geothermal vents which are bringing the heat and warm water to the icy surface. BUILD YOUR COLONY Build a colony with habitation modules, generate power, secure a water supply and extract resources from the harsh landscape. Manage every aspect, f… If you enjoyed this game, see our list of games similar to Subzero Tides.

A side-view colony sim set in feudal Japan, shaped by myth and folklore. Take on the role of a local lord as you build a lively village, explore faraway lands, trade across the world, and defend your people from the Yokai lurking in the dark. If you enjoyed this game, see our list of games similar to Faraway Lands: Rise of Yokai.

Your journey through the cosmos begins at your own pace.Astrosphere is a relaxed sci-fi strategy game about exploration, station building, and slowly expanding your presence in space. You are not commanding a frantic war fleet. Instead, you develop your own space station step by step, design custom ships, and set out on expeditions into unknown star systems. Explore distant sectors, gather valuab… If you enjoyed this game, see our list of games similar to Astrosphere.

41%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:monetization

67% User Score Based on 12 reviews

Underwater World is a game that can replace your current desktop wallpaper! Discover the bottom of a flooded planet and colonize it! A very pleasant and relaxing game and its graphics will surely make your free moments more enjoyable. If you enjoyed this game, see our list of games similar to Underwater World.

86%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, grinding

86% User Score Based on 127 reviews

The ocean is dying. Coral reefs are vanishing and ecosystems are breaking down. By the power of the mysterious reef heart you must restore balance, using the ocean floor itself as the foundation to build vibrant havens for sealife. Craft lures to entice different species to your reef and use their natural abilities to overcome underwater hazards. Experience Thalassa’s journey in campaign mode, the… If you enjoyed this game, see our list of games similar to Life Below.

TEXTORIO You crash-land on Kepler-442b — a planet that wants you dead. 50,000 colonists sleep in cryo-pods deep below the surface. Wake them, or die trying. In Textorio, you build a factory in pure ASCII. Raw ore becomes circuits. Circuits become machines. Machines become a self-sustaining production empire — and that empire is the only thing standing between humanity and extinction on an… If you enjoyed this game, see our list of games similar to Textorio.

84%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

84% User Score Based on 2,022 reviews

— — — — music by Dunkel If you enjoyed this game, see our list of games similar to Flotsam.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:music, grinding

95% User Score Based on 193 reviews

Dig deep down the abandoned planet to find it's secrets and earn cash by collecting resources. Spend your money on buying various trinkets and instruments that will help you along the way to earn even more profit. If you enjoyed this game, see our list of games similar to Colony 37.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

78% User Score Based on 620 reviews

Critic Score 80%Based on 1 reviews

Build massive ocean cities and lead your people to prosperity in this post-apocalyptic survival colony sim. Featuring a physics-based 3D construction system, complex resource management, exploration, difficult political decisions, supply chains, and a robust sandbox mode. If you enjoyed this game, see our list of games similar to ALL WILL FALL.

60%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:optimization, stability

60% User Score Based on 128 reviews

Night is Coming is a survival building simulation set within the unforgiving cold of the Carpathian mountains. Build your settlement, nurture and protect your people - prepare for impending Darkness. Will everyone survive? Will evil displace your homestead? Will a Hero emerge? If you enjoyed this game, see our list of games similar to Night is Coming.

88%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

88% User Score Based on 508 reviews

Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species! If you enjoyed this game, see our list of games similar to Microtopia.

62%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:gameplay, graphics

94% User Score Based on 17 reviews

Embark on a spine-chilling odyssey with "No Ticket Back," a fusion of horror, roguelike, strategy simulation, zombie survival, tower defense, RPG, crafting and building, and colony builder genres. The SS McCalister's Hope, once a beacon of hope bound for Mars, now drifts as a haunted vessel, plagued by the looming threat of a zombie apocalypse. Can the crew endure the nightmarish onslaug… If you enjoyed this game, see our list of games similar to No Ticket Back: Craft, Survive & Escape.

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.

40%Game Brain Score

Most mentioned negative aspects:story, gameplay

57% User Score Based on 21 reviews

Build your own city in a post-apocalyptic future. Scavenge and fight for resources, everything counts! Restore civilization on the ashes of the fallen world! Explore wastelands to gather resources, protect and take care of your people! Fight off raiders, wild tribesman and natural disasters. If you enjoyed this game, see our list of games similar to Post-Apo Builder.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

85% User Score Based on 1,687 reviews

Build a new civilization out of the chaos of an apocalyptic solar flare as you grow your House from a lone shelter to an industrial metropolis. Take on the burden of preserving life itself and help your people realize their aim: "A future beyond survival." Lead the world of New Cycle. If you enjoyed this game, see our list of games similar to New Cycle.

91%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

98% User Score Based on 132,230 reviews

Critic Score 80%Based on 5 reviews

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. If you enjoyed this game, see our list of games similar to RimWorld.

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.

77%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

77% User Score Based on 10,366 reviews

Guide a group of space settlers trying to establish an outpost on a remote planet. Grow food, collect energy, mine resources, manufacture bots, and build a fully self-sufficient colony. If you enjoyed this game, see our list of games similar to Planetbase.

92%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

92% User Score Based on 950 reviews

A simulation game where you build a town in the middle of the sea. Reach self-sufficiency, invite travelers to join you, then manage their needs and research new facilities to keep them happy. Build a submarine and discover islands to produce increasingly complex resources. If you enjoyed this game, see our list of games similar to Havendock.

76%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

81% User Score Based on 1,184 reviews

Critic Score 50%Based on 1 reviews

The Apocalypse is here. Demons all around. Now, it’s time to fight back! Build, manage and defend your base in a post apocalyptic colony simulation. Will you survive Judgment day? If you enjoyed this game, see our list of games similar to Judgment: Apocalypse Survival Simulation.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

78% User Score Based on 5,124 reviews

Critic Score 78%Based on 12 reviews

Includes: Base game Real Mars Map Pack DLC Soundtrack DLC Scenario Toolkit DLC The Ceres Initiative DLC The Patron and the Patriot DLC Blue Chip Ventures DLC Jupiter's Forge Expansion Pack Conspicuous Consumption DLC Limited Supply DLC Market Corrections DLC The Europa Wager Expansion Interdimensional DLC The Offworld Trading Company Ultimate Edition Steam bundle includes the full game plus all of… If you enjoyed this game, see our list of games similar to Offworld Trading Company.

60%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, monetization

60% User Score Based on 852 reviews

Critic Score 60%Based on 1 reviews

Create a sprawling industrial city. Compete with the other Great Houses of Titan for resources, territory, and power. Do battle with ships, technology, influence, or the sheer productive power of your factories. Stake your claim to the Industries of Titan in this innovative sim/strategy game! If you enjoyed this game, see our list of games similar to Industries of Titan.

A 3D space-station survival builder. The Earth below is gone; your station is still falling. Salvage the orbital graveyard, fit out empty hulls rack by rack, and keep air, water, power and fuel flowing long enough to turn one fragile module into humanity's last refuge. If you enjoyed this game, see our list of games similar to Still Above: Orbital Refuge.

Escape The Abyss is a Lovecraftian deep-sea extraction game. Oxygen is your timer, and every dive is a gamble: scavenge sunken ruins, upgrade your submarine and gear, and get out before the horrors get you or your air runs out. Humanity's last hope is down there. If you enjoyed this game, see our list of games similar to Escape The Abyss.

Welcome to the deep crust. Your shift has begun. You are a remote biological operator assigned to an automated mining facility deep underground. The world’s oxygen is depleting, and your only directive is to excavate Trioxirane—a volatile, newly discovered form of cyclic ozone. It’s humanity's only hope, but the highly unstable magnetic field of the ozone destroys advanced electronics. That’s why… If you enjoyed this game, see our list of games similar to Triox.

Build by day. Defend by night.Welcome to a medieval fantasy world where your strategic skills determine whether your settlement thrives or burns. In this unique blend of RTS, Tycoon, and Tower Defense, you are the architect, mayor, and commander of a growing village. Your goals are simple: build a prosperous community, optimize production chains, and survive the horrors that emerge from the dark. … If you enjoyed this game, see our list of games similar to Routes and Forges.