
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.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, 3D, Singleplayer, Exploration.

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.

Sunken Seeker
Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.

SkillGrid
SkillGrid is a minimalist strategy game where you expand, manage, and defend a growing grid against an evolving hostile force.
Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.
Why similar: Submarine 42.3% ★, Underwater 29.2% ★, Exploration 10%, Resource Management 6.4%, Simulation 6%
SkillGrid is a minimalist strategy game where you expand, manage, and defend a growing grid against an evolving hostile force.
Why similar: Colony Sim 31.3% ★, Real Time Tactics 22.5%, Strategy 12.9%, Base Building 11.8%, Automation 11.4%
Join an expedition to the unexplored abyss – a fascinating world of strange creatures, lost vessels, and a wealth of untold secrets. Search for ancient wrecks, underwater trenches, missing airplanes, and even the Titanic. Climb on board your mini-sub and dive as deep as you dare!
Why similar: Submarine 38% ★, Underwater 29.3% ★, Exploration 8.1%, 1990's 6.9%, Simulation 6.9%
Underwater World is a game that can replace your current desktop wallpaper or you can play in fullscreen window! 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.
Why similar: Submarine 24.8% ★, Underwater 21.8% ★, Colony Sim 21.3% ★, Base Building 10%, Strategy 4.9%
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.
Why similar: Colony Sim 30.7% ★, Submarine 21.7% ★, Underwater 11.6% ★, Simulation 9.4%, Exploration 8.1%
The Ender Ocean principle? Locate and collect waste (plastic bags, bottles, lost nets...) thanks to underwater robots connected to a collection boat, in order to valorize them afterwards, all from home.
Why similar: Underwater 31.6% ★, Submarine 29.7% ★, Immersive Sim 16%, Simulation 10%, Exploration 8.8%
A first-person deep sea exploration game. Use only a torch to navigate through rusted structures, encountering both dangerous and harmless sea creatures. Uncover the mysteries of the trench, and experience the phobia-inducing atmosphere of the ocean floor.
Why similar: Submarine 36.8% ★, Underwater 25.9% ★, Immersive Sim 18%, Exploration 10.3%, Simulation 5.1%
Colonize new planets from the comfort of Earth with our remote control planet management system. In Hexoplanet, you're in charge of building and managing entire planetary economies from terraforming and infrastructure to tourism and energy.
Why similar: Colony Sim 34% ★, Real Time Tactics 17.7%, Automation 14.5%, Simulation 10%, Futuristic 7.6%
Welcome to the MEOWFACTORY! Automate production lines and manage limited space to achieve perfection. Connect machines with conveyor lines and minimize hand (well, paw) labour! In the near and depressing future, when the world is on the verge of destruction, ONLY MEOWORKERS can revive production!
Why similar: Colony Sim 25.5% ★, Sandbox 12.7%, Immersive Sim 12.3%, Strategy 9.7%, Automation 8.6%
7821 Akuji is a first person liminal horror experience. Pilot a tiny, jury-rigged submersible to rescue a lost science crew.
Why similar: Submarine 43.7% ★, Underwater 26.7% ★, Immersive Sim 19.4%, Simulation 5.7%, 3D 2.7%
Project Sever is a fusion of submarine simulator and horror. Master the controls of the Soviet Project "Sever" submarine and learn to keep it in working order to escape the deadly underwater trap and solve the mystery of the Anomalous Zone.
Why similar: Submarine 36% ★, Underwater 21.5% ★, Immersive Sim 14.1%, 1990's 7.5%, Exploration 6.7%
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.
Why similar: Underwater 27.2% ★, Automation 16.1%, Immersive Sim 12.7%, Sandbox 11.1%, Base Building 10.8%
A minimalist 3d incremental clicker about cleaning a dam with a submarine. Dive Deep. Scrap Hard. Get Paid.
Why similar: Submarine 30.4% ★, Underwater 25.4% ★, Exploration 11.6%, Immersive Sim 8%, Simulation 7.4%
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.
Why similar: Colony Sim 31.7% ★, Base Building 12.7%, Sandbox 12.2%, Resource Management 8.9%, Exploration 7.3%
L'Avancée du désert est un jeu de gestion où vous devez développer votre colonie spatiale pour récolter de la nourriture et trouver de nouvelles technologies tout en combattant la désertification.
Why similar: Real Time Tactics 29.9%, Colony Sim 24.3% ★, Strategy 14.6%, Base Building 14.6%, Resource Management 13.6%
1923: Process the Great Kantō Earthquake death. Lead all the miserable souls, battle quake-storms, and make life-or-death choices in collapsing Kanto's Hell. A historical strategy game inspired by true events where you play as Hell Governor. Oh...there is NAMAZU the Catfish Titan wreaking havoc too.
Why similar: Colony Sim 28.8% ★, Real Time Tactics 18.3%, Immersive Sim 14.7%, Strategy 10.4%, Automation 9.9%
A strategy/castle builder. Create a character, build your palace, build up your defenses, craft, adventure and conquer all ancient China. Recruit legendary Heroes to lead into battle and command and fight real-time battles against waves of enemy forces out for your blood.
Why similar: Colony Sim 32.7% ★, Real Time Tactics 22.6%, 1980s 9.2%, Exploration 8.7%, Strategy 8.6%
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
Why similar: Submarine 34.4% ★, Underwater 26% ★, Immersive Sim 12%, Sandbox 10.1%, Exploration 7.5%
Age of Respair is a medieval strategy castle-builder. Build massive castles with fortifications while managing resources and production chains. Assemble a large army and lay siege to enemy castles. Lead your people and bring respair to your kingdom🏰⚔️
Why similar: Colony Sim 25.8% ★, Real Time Tactics 21.9%, Base Building 12.9%, Automation 9.4%, Resource Management 9%
As a cataclysmic event rocks the planet, you find yourself in an old, decrepit submarine tasked with only one goal: survive. Manage the internal systems to keep yourself alive and fend off undersea horrors as they attempt to cut your journey short.
Why similar: Submarine 55.3% ★, Underwater 31.2% ★, Simulation 7.1%, 3D 3.1%, Atmospheric 2.4%
Rise Under the Warstorm is a strategy game focused on automation, production, and base defense. Gather resources, build automated production lines, optimize your economy, train armies, and protect your settlement against enemy waves.
Why similar: Colony Sim 25.5% ★, Real Time Tactics 22.7%, Automation 18.3%, Base Building 9.3%, Resource Management 8.4%
A kingdom's open ended journey from a small village to a patchwork of bustling castles. Build your kingdom block by block. Explore the world, grow your industries, and watch your citizens thrive in your creations. Do it your way - there are no wrong choices.
Why similar: Colony Sim 33.4% ★, Immersive Sim 14.4%, Strategy 12.9%, Simulation 11.2%, Exploration 8.7%
Feed your fish, sell them, buy better and more special fish, and compete with your friends. Be the best and become the star of the industry. You can also engage in trading with your friends. Remember, 2 fish are better than one.
Why similar: Colony Sim 36.8% ★, Underwater 32.5% ★, Immersive Sim 22.4%, Simulation 5.3%, 3D 1.6%
Classic puzzle mechanics meet roguelite chaos. Stack blocks, draft powerful upgrades, and survive the ever-changing challenges in this adventure.
Why similar: Real Time Tactics 29.4%, Immersive Sim 22.1%, Colony Sim 15.7% ★, Strategy 15.4%, 1980s 12.9%
You command a drilling train, leading a dwarf clan through the underground depths toward the planetary core. Manage the crew, complete expeditions, gather resources, upgrade gear, and make tough choices to reach the abandoned city and bring your people back home.
Why similar: Colony Sim 39.4% ★, Base Building 15.5%, Automation 10.6%, Resource Management 9.9%, Exploration 8.5%
Become the hive mind of a robot ant colony in this free version of 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!
Why similar: Colony Sim 26.3% ★, Automation 14.2%, Base Building 11.6%, Sandbox 11%, Resource Management 9.8%
An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?
Why similar: Colony Sim 40.6% ★, Base Building 17.5%, Real Time Tactics 11.3%, Sandbox 9.9%, Resource Management 6.6%
Under the Sea is a 3D survival mini game based on time attack, race against time to survive, collect the lights and gain time to live in a world full of enemies.
Why similar: Submarine 37.9% ★, Underwater 25.5% ★, Immersive Sim 11.4%, Sandbox 10%, Exploration 6.2%
Project Hortus is a city-building strategy game set in a distant future, after Earth has been destroyed. On the planet Hortus Prime, it's up to you to establish a new civilization. Manage your city, explore uncharted territories, and face unknown dangers.
Why similar: Colony Sim 30.4% ★, Real Time Tactics 21.7%, Aliens 11.9%, Exploration 8.3%, Strategy 7.9%
Explore the ice-encrusted ocean of Jupiter's moon Europa.
Why similar: Submarine 43.1% ★, Underwater 27.7% ★, Aliens 14.3%, Exploration 8.9%, Atmospheric 3.4%
Transform an abandoned aquarium park into a thriving water attraction! In "Ocean Life: Aquarium Simulator," clean, decorate, and add fish to attract visitors. Dive in for rescue missions, upgrade your park, and build a vibrant ecosystem.
Why similar: Submarine 30.8% ★, Sandbox 22.8%, Immersive Sim 14.4%, Exploration 12.9%, Resource Management 6.8%
Vilset is a strategic simulator based on the principle of survival of people, who turned out to be beyond the limits of their civilization.
Why similar: Colony Sim 34.2% ★, Automation 15.4%, Base Building 14.2%, Sandbox 10.4%, Resource Management 8.5%
Sect Leader’s Decree is a turn-based colony builder focused on resource and time management. Construct buildings, research technologies, gather resources, and train your disciples to guide your sect to prosperity!
Why similar: Colony Sim 34.6% ★, Immersive Sim 14.4%, Resource Management 11.8%, Base Building 10.4%, Strategy 9.9%
From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.
Why similar: Colony Sim 20.5% ★, Real Time Tactics 17.8%, Base Building 13.2%, Automation 13.2%, Sandbox 11.7%
Build, Upgrade, Reset, Repeat
Why similar: Colony Sim 34.5% ★, Real Time Tactics 20.9%, Strategy 13.3%, Simulation 11.6%, Exploration 9%
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!
Why similar: Colony Sim 27% ★, Automation 14.3%, Sandbox 11.3%, Base Building 11%, Resource Management 10%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Colony Sim 29.9% ★, Automation 16.4%, Base Building 14.3%, Sandbox 11.5%, Resource Management 11.2%
A colony sim set in a post-apocalyptic dystopia. Build and defend your base. Manage your survivors. Engage raiders, aliens, Remnant soldiers and other factions in real-time-with-pause combat. Or use stealth to outwit them. Explore the massive world. Survive at all costs
Why similar: Colony Sim 27% ★, Real Time Tactics 19.7%, Immersive Sim 14%, Base Building 11.9%, Sandbox 9.8%
Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?
Why similar: Colony Sim 27.4% ★, Immersive Sim 14.2%, Automation 12.5%, Base Building 11.6%, Resource Management 10.9%
Take control of a colony made of ant-like creatures and develop it. Learn how to use your environment, re-discover ancient technology and grow even more! The sky is the limit... (or is it?)
Why similar: Colony Sim 31.1% ★, Automation 23.5%, Sandbox 14.8%, Simulation 10.5%, Exploration 10.2%
Build colonies across the stars in a deep space colony sim. Trade legally or run the underground. Keep your people alive - or don't.
Why similar: Colony Sim 38.7% ★, Base Building 15.6%, Resource Management 11.2%, Sandbox 10.6%, Simulation 8.2%
Take up the role of the Hell Governor and embrace the challenge of welcoming souls who perished in major, historically real human disaster. Build your city, manage your resources while defending the chaos from demons who steal and kill your folks....and also that GIANT TITAN lurking around.
Why similar: Colony Sim 31.2% ★, Real Time Tactics 26.8%, Immersive Sim 14.7%, Base Building 11.5%, Strategy 6.5%
Under the Water Depths is a first-person game in which you will dive into a trench in the middle of an unknown ocean. The depths of the sea hide sinister yet mystical secrets.
Why similar: Underwater 39.1% ★, Submarine 34.7% ★, Immersive Sim 12.7%, Exploration 10.5%, 3D 2.3%
A sci fi business colony simulation on an alien planet. Extract resources, create production pipelines, research new buildings and trade resources with the Earth as you manage the expectations of your employees and defend from the alien flora that inhabits this world.
Why similar: Colony Sim 33.3% ★, Sandbox 17%, Strategy 15.4%, Base Building 12.4%, Simulation 11.2%
A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy! Choose your winning gang, mastermine resources, and build your base and tools to boost your technology and conquer space! Unless your neighbors don’t see it that way… Trade, peace or clash: your planet, your choice!
Why similar: Colony Sim 32.9% ★, Automation 12.8%, Base Building 10.3%, Strategy 10.2%, Simulation 8.9%
A Sci-Fi colony and strategy sim with a complex economy, immersive logistics, and a war against the rise of the machines! Build your colony and ensure supplies for your people. Automate industrial ships and create combat groups to defend against waves of enemies.
Why similar: Colony Sim 25% ★, Real Time Tactics 16.3%, Automation 13.1%, Immersive Sim 12.1%, Base Building 10.1%
A battle-laden automation game where you have to manufacture everything from battle units down to every bullet! Engage in battles to gather survivors. Manage and feed your people. Mine, farm and Optimize production lines. Can you lead your people to victory?
Why similar: Colony Sim 24.4% ★, Real Time Tactics 17.1%, Automation 14.5%, Base Building 11.7%, Sandbox 9.9%
You are an employee of U.D.E. Your mission is to explore the ocean depths, investigate ancient artifacts, and... save your own skin. Survive, uncover the corporation's secrets, and find out what lies hidden in the depths.
Why similar: Submarine 41% ★, Underwater 28.2% ★, Immersive Sim 15.4%, Exploration 8.4%, Retro 2.8%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Colony Sim 28.8% ★, Automation 17.3%, Base Building 16.7%, Resource Management 11.6%, Sandbox 9.5%
Embark on a relaxing journey in an underwater realm. Glide through captivating environments, embracing the tranquility of exploration and survival found in these Harmonic Depths.
Why similar: Submarine 38.4% ★, Underwater 27.7% ★, Immersive Sim 18.1%, Exploration 9.6%, Simulation 3%
Survive in a harsh underwater environment filled with mysterious and aggressive fauna. Gather resources, build bases, and craft equipment to explore an underwater alien world! Swim through interconnected biomes in a metroidvania style.
Why similar: Submarine 52.9% ★, Underwater 32% ★, Base Building 14.2%, Singleplayer 0.8%
The new kind of mechanic is in the town - if you've ever dreamt about reparing big large underwater boats this is the place just for you! Check the damage, repair and fix the boats and make sure they're ready to be manned.
Why similar: Submarine 37.9% ★, Underwater 23.7% ★, Immersive Sim 12%, Sandbox 10.2%, Exploration 6.3%
Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.
Why similar: Submarine 44.9% ★, Underwater 23.2% ★, Aliens 10.8%, Exploration 9.6%, Futuristic 6.3%
IdleZomb: Manage a ruined hospital, create zombies, evolve them, or sacrifice them for DNA. Every decision counts in this post-apocalyptic management game. Early Access focuses on the basics, with content available up to level 20.
Why similar: Colony Sim 40% ★, Real Time Tactics 28.8%, Simulation 12.5%, Strategy 10.1%, Resource Management 7.8%
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Why similar: Colony Sim 47% ★, Base Building 19.9%, Resource Management 12.8%, Sandbox 8.4%, Strategy 4.2%
Regain control of planet oasis and defeat your opponent! Build your base, monitor the economy, manage your resources, explore the Map, and plan attack and defense. Build 9 different buildings and 19 different units with various abilities and win the chaotic Robot Battles.
Why similar: Colony Sim 35.6% ★, Real Time Tactics 26%, Strategy 13%, Exploration 8.1%, Futuristic 7.5%
Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…
Why similar: Colony Sim 40.1% ★, Automation 20.6%, Base Building 17.3%, Strategy 7.6%, Sandbox 5.1%
Sci-fi combat flight-sim featuring underwater stealth-action, and real-time strategy. Pilot the unique biological fighter Manta through the skies and through the depths as you command a fleet of warships, and mine the ocean floor for resources.
Why similar: Submarine 36.5% ★, Underwater 23.5% ★, Real Time Tactics 20.4%, Base Building 10.9%, Strategy 3.4%
Join a small community of rejects, try to survive in hospitable world of peak capitalism. As a modern pirate you will scavenge wrecks of rich peoples' yachts for resources, grow weed and manage automated factories.
Why similar: Submarine 33.5% ★, Colony Sim 24.8% ★, Underwater 22.6% ★, Automation 12.3%, Simulation 4.8%
A sci-fi turn-based strategy, station building game where you need to manage resources and protect the station and human inside from the danger of space, and your own action.
Why similar: Colony Sim 29.2% ★, Real Time Tactics 23.7%, Immersive Sim 17.1%, Base Building 10.6%, Exploration 8.8%