60+ similar titles based on shared tags and player behavior. Themes include Simulation, 3D, Strategy, Base Building.
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.
Oceanopolis 2000
Build the future under the sea in this retro sci-fi city tycoon.
Abyssals
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.
Build the future under the sea in this retro sci-fi city tycoon.
Why similar: Colony Sim 17.5%, Submarine 16.6% ★, Underwater 14.8% ★, Idler 11%, Base Building 6.9%
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 24.3%, Submarine 17.3% ★, Underwater 13.1% ★, Simulation 8.6%, Building 6.8%
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
Why similar: Underwater 23.6% ★, Colony Sim 18.5%, Base Building 10.5%, RTS 9.2%, Building 7.7%
Aquatico is a classic city builder set within the depths of the sea. Strategically build an underwater colony atop the ocean floor and face the challenges that accompany oceanic life.
Why similar: Underwater 27.2% ★, Colony Sim 22.2%, Base Building 10.7%, Building 8%, Economy 6.8%
Dive into the sunken world. Face the dangers of the deepness. Build a colony and make it thrive. Conquer or explore the unknown, you decide which way you choose.
Why similar: Underwater 22.4% ★, Colony Sim 17.6%, Base Building 11%, RTS 9.8%, Building 8.8%
Build, trade, and survive in a living ecosystem where every choice shapes the colony and every faction remembers. Deep systems connect production, management, and survival in a world that never stops reacting.
Why similar: Colony Sim 26.3%, Base Building 13.7%, Building 9.9%, RTS 7.7%, Survival 6.4%
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.
Why similar: Submarine 24.8% ★, Underwater 21.8% ★, Colony Sim 21.3%, Base Building 10%, Strategy 4.8%
The deep-sea exploration adventure that captivated countless players is back. What you discover in this underwater world brimming with freedom and challenges is entirely up to you. Follow your curiosity and make the most of your day off.
Why similar: Underwater 33.6% ★, Submarine 32.9% ★, Idler 19.2%, Simulation 5.2%, Exploration 5%
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 27.7%, Base Building 15.9%, RTS 11.2%, Isometric 8.6%, Building 8.5%
A sci-fi survival-crafting colony sim set in a flooded world of floating islands. Build a colony, craft gear, design rafts, fend off sharks, manage your survivors, and explore island bunkers to uncover lost Float-Tech from an old-world corporation.
Why similar: Underwater 30.5% ★, Colony Sim 25%, Base Building 13.4%, Survival 10.2%, Building 10%
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.
Why similar: Underwater 24.9% ★, Colony Sim 21%, Base Building 16.1%, RTS 10.2%, Building 5.1%
PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.
Why similar: Colony Sim 25.1%, Grand Strategy 18.9% ★, RTS 14.1%, Building 9.2%, Economy 7.7%
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 41.1% ★, Underwater 40.3% ★, Simulation 6.7%, Exploration 5.3%, Atmospheric 3.7%
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 48.2% ★, Underwater 38.5% ★, Simulation 7.1%, Atmospheric 3.3%, 3D 2.8%
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: Underwater 41.7% ★, Submarine 38.2% ★, Simulation 7.9%, Strategy 4.5%, Exploration 4.5%
Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.
Why similar: Underwater 33% ★, Submarine 23.6% ★, Base Building 13%, Survival 9.3%, Futuristic 6.3%
Type2 is a space-based city builder where you try to run a mining business on the moon. Use your management skills to maintain a colony, expand your company, and of course, make money
Why similar: Colony Sim 33%, Base Building 18.7%, Isometric 15.3%, Idler 10.9%, Simulation 7.8%
Reclaim Earth is a base-building, colony management, survival game where you play as a semi benevolent robot crash-landed on a post apocalyptic Earth. You must build your base, enlist the help of humans, and defend against hordes of mutated bugs.
Why similar: Colony Sim 27.1%, Base Building 17.6%, Building 11.4%, Survival 10.3%, Futuristic 5.8%
The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.
Why similar: Submarine 40.5% ★, Underwater 40% ★, Simulation 5.6%, Exploration 5.3%, Atmospheric 3.4%
Make Your Kingdom is a city-building game unique to its genre. Play as a founder of the settlement — help build your kingdom, carry the resources, talk to other settlers, motivate them and fight off hordes of orcs with your own sword!
Why similar: Colony Sim 25.9%, Base Building 14.3%, Building 12%, Survival 10.1%, RTS 9.7%
Become a fearless underwater explorer and reach the bottom of The Mariana Trench to win 20,000* REAL DOLLARS!
Why similar: Submarine 37.8% ★, Underwater 35.8% ★, Idler 16%, Simulation 6%, Atmospheric 2.5%
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
Why similar: Underwater 34.2% ★, Submarine 28.9% ★, Base Building 13.2%, Post-apocalyptic 8.6%, Futuristic 4%
Manage and expand a colony of dwarves. Decide where to dig and how to build a settlement. Choose what items to craft and what skills to learn and master. Keep your dwarves alive and survive goblin attacks, famine, harsh winters and wild beasts.
Why similar: Colony Sim 34.7%, Base Building 19.5%, Isometric 10.9%, Survival 9.8%, Simulation 8.7%
The Wild Age is a micromanagement strategy game with tower defense gameplay mechanics. The game is designed mainly for a peaceful and relaxed gaming experience that offers a break from the busy realities of life.
Why similar: Colony Sim 30.9%, Base Building 19%, Survival 12.1%, Isometric 10.2%, Building 9.4%
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 44.6% ★, Underwater 38.3% ★, Base Building 17.1%
「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.
Why similar: Colony Sim 20.6%, Base Building 15.8%, Grand Strategy 15% ★, RTS 14.7%, Building 10.1%
Dark Moon is a survival strategy game where in order to survive you must avoid the Sun’s scorching rays and embrace the darkness. Gather resources, upgrade your mobile base, make tough moral decisions, but most importantly - don’t go into the light!
Why similar: Colony Sim 26.7%, Base Building 17.6%, RTS 12.8%, Economy 10.5%, Survival 8.1%
A journey of the last ocean cleaner submarine that is tasked to restore the ecosystem of a dying earth. "Plasticalypse: TrashSub Adventures“
Why similar: Underwater 39.5% ★, Submarine 33.5% ★, Post-apocalyptic 6.5%, Atmospheric 5.8%, Futuristic 5.5%
Phoenix Hope is a pixel art 2D real-time, side-view strategy game in which you must develop your colony during the day and repel waves of monsters at night.
Why similar: Colony Sim 26.6%, Base Building 17.6%, RTS 12.8%, Survival 11.4%, Building 9.5%
Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.
Why similar: Submarine 30.1% ★, Underwater 27.1% ★, Idler 15.3%, Base Building 12.4%, Economy 8.2%
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Why similar: Underwater 51.2% ★, Submarine 30.7% ★, Atmospheric 6.1%, Exploration 5.7%, Sci-fi 4.3%
Build, survive, explore. Design your city, manage resource chains and workers, Send ships on expedition, trade with cities, discover mysterious dungeons and uncover secrets of ancients.
Why similar: Colony Sim 37.7%, Base Building 17%, Survival 13.3%, Isometric 10.3%, Building 9.8%
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Why similar: Colony Sim 41.3%, Base Building 14%, Survival 12.2%, Simulation 8%, Strategy 7.7%
Build a massive Ice Crawler powered by a nuclear power plant on a distant planet where you need to generate energy to survive and rescue other survivors. Your crawler base can accommodate dozens of survivors and have dozens of floors. Learn how to build a nuclear power plant to survive.
Why similar: Colony Sim 34.4%, Base Building 24.9%, Building 14.1%, Isometric 9.8%, Strategy 7.2%
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....
Why similar: Colony Sim 34.3%, Base Building 16.7%, Building 13.5%, Survival 11%, Strategy 7.7%
Folklands is a relaxing settlement builder with a retro look and feel set in a fantasy Nordic-inspired world. Harvest, produce and trade resources from multiple production chains as you grow your settlement. Keep your folks happy and safe and tend to their needs in a living and changing world.
Why similar: Colony Sim 25.9%, Base Building 14.4%, RTS 13.2%, Isometric 12.4%, Building 11%
Inspired by the deep simulation of Dwarf Fortress, the open world survival of Minecraft, and the social interactions of The Sims. Embark is a colony management game with a focus on complex simulation in a huge living 3D world.
Why similar: Colony Sim 45.5%, Base Building 20.9%, Building 9.6%, Survival 8.8%, Strategy 6.3%
Give rise to wonders of the Aztec Civilization as you build your own magnificent metropolis in this ancient city builder. From humble beginnings build, trade, manage and conquer to become Tlatoani (Emperor).
Why similar: Colony Sim 22.1%, Grand Strategy 15.5% ★, RTS 12.1%, Isometric 11.8%, Base Building 11.5%
Strategy by day, tactical tower defense by night. Build a bunny colony, manage resources, and defend against nightly monster attacks in this mix of city building and tower defense. Help your bunnies escape to the stars before the darkness destroys everything.
Why similar: Colony Sim 19.1%, Base Building 17.6%, RTS 13.9%, Building 11.2%, Isometric 10.5%
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 41.2%, Base Building 24.9%, Survival 13.7%, Building 10.3%, Simulation 3.6%
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
Why similar: Colony Sim 31.1%, Base Building 26%, RTS 15.7%, Survival 10.4%, Strategy 6%
Navigate an open-world ocean in a rusted submarine with monstrous creatures lurking in the depths. Collect artifacts, upgrade your submarine and descend into even deeper waters. If you didn’t fear the deep sea before, now you will.
Why similar: Underwater 44% ★, Submarine 39% ★, Survival 9.2%, Exploration 3.8%, Sci-fi 2.6%
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.
Why similar: Colony Sim 23.4%, RTS 15.4%, Base Building 15.2%, Building 9.8%, Post-apocalyptic 7.5%
Will you create a lasting civilization or see it collapse into the sea? In Sea, Sun & Salt, you build a city on a small mediterranean island. Define the tenets of your culture, deal with your subjects' needs and withstand the forces of the elements.
Why similar: Colony Sim 26.7%, Underwater 19.5% ★, Isometric 14.6%, Building 8.8%, Base Building 8.2%
Against The Tide is a simulation strategy game about restoring a dying coral reef. Build your conservation facility, grow your marine gardens, thwart invasive species, and discover new technologies to save the reef.
Why similar: Colony Sim 33.3%, Underwater 20.3% ★, Building 10.4%, Simulation 8.6%, Strategy 8%
Rule Tenochtitlán in this survival city-builder where gods decide your fate. Confront the Moon Goddess and her generals. Delve into the intricate story, survive the nights in the Sandbox mode, or build freely in the Creative mode. The last sun is yours to save, or… lose!
Why similar: Colony Sim 23.6%, Base Building 14.5%, RTS 11.5%, Building 10.2%, Isometric 9.7%
A colony-building strategy about settling a hostile alien world. After a failed mission, your crew crash-lands on Erythra, cut off from Earth. Build a base from scratch, connect power and oxygen systems, manage colonists, and turn survival into a thriving colony.
Why similar: Colony Sim 29.2%, Base Building 20.4%, Economy 9.1%, Building 8.7%, Survival 8.5%
A living aquarium that sits in the corner of your screen while you work, study, or game. Feed your fish, grow your tank, find a little peace while listening to the most chill & meditative original soundtracks
Why similar: Underwater 33.3% ★, Idler 19.7%, Base Building 15.5%, Isometric 12.2%, Economy 11.2%
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 47.8% ★, Submarine 31.7% ★, Simulation 12.3%, Exploration 5.1%, 3D 3.2%
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Why similar: Colony Sim 34.2%, Base Building 20%, Survival 12.9%, Post-apocalyptic 10.4%, Building 6.5%
Cosmic Castaway is a colony building survival game. Gather scarce resources, rescue and assign your crew, build and defend your outpost from hostile forces, and turn wreckage into refuge to repair your ship and escape back to your home planet.
Why similar: Colony Sim 28%, Base Building 15.7%, Isometric 12.1%, Survival 11.2%, Building 6.7%
The Omins have taken their first step through mysterious portals, discovering new lands to explore and settle, inhabited by fantastic creatures and shaped by unknown forces. Guide them in this real time fantasy settlement game blending exploration, survival, and RTS mechanics.
Why similar: Colony Sim 32.5%, RTS 20.3%, Base Building 18.7%, Survival 10.2%, Strategy 7.4%
The ocean didn't get dirty on its own. Pilot your submarine through vast underwater worlds, collect the trash humanity left behind, and uncover what's been growing in the dark. Clean, explore, upgrade and try not to look too closely at what's following you.
Why similar: Submarine 45.9% ★, Underwater 37.7% ★, Simulation 8.4%, Building 4.3%, Exploration 2.5%
Survival strategy game set in a world inspired by Slavic mythology and the nature of Eastern Europe. Build your settlement, protect its dwellers, and help them prepare for the coming Darkness.
Why similar: Colony Sim 26.2%, RTS 16.6%, Base Building 15.8%, Building 10.8%, Survival 10.2%
This is a free version of Oxygen, featuring the first 50 game-days. 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 keep the Oxygen Center running!
Why similar: Colony Sim 27%, Base Building 20.4%, Survival 11.2%, Building 10.6%, Economy 8.9%
The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.
Why similar: Base Building 26.8%, Post-apocalyptic 12.8%, Strategy 11.6%, Survival 10.9%, RTS 10.8%
Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.
Why similar: Colony Sim 31%, Base Building 18.8%, RTS 10.8%, Survival 10.2%, Building 8.1%
Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.
Why similar: Colony Sim 29.9%, Base Building 18.3%, Idler 15.6%, Isometric 7.8%, Simulation 5.8%
BUILD. DEFEND. SURVIVE. An alien menace has ravaged Earth. Humanity has scattered to the wind. But hope remains. A resistance is organizing. Build your new settlement, defend your people, and fight to reclaim what was lost.
Why similar: Colony Sim 33.9%, Base Building 20.2%, Building 12.6%, Survival 9.9%, Strategy 7.5%
A sandbox simulation where you manage oxygen, pressure, heat but also the mental and physical wellbeing of your crew. Take command of ships, scavenge, build, craft, survive the harshness of space in an emergent story where the world does not care about you.
Why similar: Colony Sim 33%, Base Building 19.9%, Isometric 12.6%, Survival 11.7%, Strategy 6%
