Top similar games like Underwater World - Idle Desktop Colony Building Simulator:

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.

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.

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.

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.

Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.

TerraStorm is a survival city builder set 70 years after the apocalyptic ending of the Second World War. You will be an Architect, responsible for finding a suitable place to start new settlements, self-sufficient Towers, that will become humankind's new bastions.

Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.

Build an empire on a small planet with ambitious neighbours. Grow your economy, charge an electric army and fight for territory in this free-to-play online RTS. Trade with rivals, form alliances and pursue different victories across three worlds.

Build an autonomous colony on a living procedural planet. Gather resources, command robots, expand your power grid, and defend the teleporter from an ecosystem that reacts to every step of your growth. Activate the link—or lose everything.

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.

An atmospheric tower-defence strategy game about holding back an oozing toxic Tide. A distant mining colony has awakened a living flood that seeps from breaches in the ground. Dig for resources, raise defensive terrain, and burn your way to seal the breaches. Can you survive the Biletide?

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.

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.

A desert RTS: lead an armored expedition, build a frontier base, harvest Emburrn, command combined arms, and survive sandworms.

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.

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.

Build and lead a colony on the surface of an endless Wall. Manage resources and your people, develop new technologies, defend against relentless zyrex attacks, and send robo-spiders on risky expeditions. Keep the colony from collapsing – in Wall World, it's easy to fall.

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.

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!

Element is a realtime strategy space game for people who don't have time to play realtime strategy space games. Generate energy, mine element, build attack and defence units, and destroy the enemy while maintaining a balance between earth, air and water.

Manage a colony of people who woke too soon from their cryo-sleep. Build and manage a working generation ship and hopefully one day the grandchildren of the first generation might land on a habitable planet.

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.

「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.

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.

A two team multiplayer, top-down, survival game. There is only one deity in the shape of a bear against a team of robots builders. Robots need to create a base and gather resources in order to defend themselves against the bear. Nanook's task is to kill and destroy all robots bases.

Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?

It is a strategy and survival game set in a world turned into a desert by nuclear wars. Gather scarce resources, manage your team, build your town, and engage in strategic battles. Do you have what it takes to survive?

Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.

IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?

Explore a handcrafted survival game with an emphasis on crafting and base building. Export manufactured goods to earn funding, manage colonists, defend against hostile aliens, and work towards terraforming Ceres from a frozen ball of ice to a tropical paradise.

Robots emerge from the underground vault to cleanse the surface and restore nature. Replant and restore the wilds while growing food in order to support humans returning to the surface. A new culture of sustainable life and living in harmony with nature will be born.

A hard sci-fi colony strategy game set in the real TRAPPIST-1 system. Mine, manufacture and build across hex-mapped planets, plan cargo runs on true orbital trajectories, and scan for rival expeditions hiding in the dark. No fleet battles. In space, physics is your weapon.

Build a living interstellar civilization in a grand-strategy game where every colony, fleet, frontier, and political decision shapes the fate of your empire.

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.

Build realistic medieval castles and defend them against rival knights. Bergfried is a strategy game featuring organic castle building and tactical siege battles. Manage your lands, plan your defenses and lead your troops to victory!