
Build and manage a cozy underwater sandbox aquarium run by cats. Discover fantasy sea creatures, research upgrades, send expeditions, and balance fish, staff, and visitor needs to become the world’s top aquarium.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, Management, Resource Management, Singleplayer.

Build and manage a cozy underwater sandbox aquarium run by cats. Discover fantasy sea creatures, research upgrades, send expeditions, and balance fish, staff, and visitor needs to become the world’s top aquarium.

Pond Keeper
Pond Keeper is a cozy game where you breed, sell and collect colourful fish. Take over a neglected aquatic world and transform it into a thriving paradise! Unlock new biomes, decorate your ponds, discover new species and watch your natural sanctuary flourish.

Boogie Fungi
Build and maintain a colony of Mushrooms, keep them happy with constant parties and make sure to deploy some defenses to deal with foragers
Pond Keeper is a cozy game where you breed, sell and collect colourful fish. Take over a neglected aquatic world and transform it into a thriving paradise! Unlock new biomes, decorate your ponds, discover new species and watch your natural sanctuary flourish.
Why similar: Creature Collector 20.4%, Colony Sim 19.5% ★, Fishing 16.6% ★, Underwater 13.9% ★, Economy 7.3%
Build and maintain a colony of Mushrooms, keep them happy with constant parties and make sure to deploy some defenses to deal with foragers
Why similar: Creature Collector 24.2%, Colony Sim 21.9% ★, City Builder 13.4%, Sandbox 11.5%, Base Building 10.8%
The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.
Why similar: Creature Collector 22.1%, Underwater 21.6% ★, Sandbox 12.3%, Fishing 11.6% ★, Management 9%
Breed and sell fish to grow your aquarium business. Unlock new species, aquascape tanks, fulfill customer orders and care for your fish in this relaxing first person aquarium simulator.
Why similar: Fishing 22.9% ★, Underwater 18.1% ★, Creature Collector 15.7%, Sandbox 12.5%, Management 8.6%
Build and manage a thriving summer camp. Provide your campers with a place to catch fish, kayak, and tell ghost stories around the campfire. Will you create the ultimate summer camp? Or will your reputation as camp director plummet from a bunch of unhappy campers?
Why similar: City Builder 22.4%, Fishing 20.1% ★, Sandbox 12.6%, Base Building 10.1%, Management 8.6%
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: Colony Sim 23.5% ★, City Builder 21.5%, Underwater 20.5% ★, Economy 11.7%, Base Building 8.2%
Build bizarre safari parks where strange creatures breed, hunt and cause chaos in a living ecosystem. Design clever layouts to guide guests to spectacular moments and unlock new tools as your park evolves.
Why similar: Creature Collector 23.7%, City Builder 17.3%, Economy 12.2%, Sandbox 12%, Management 10%
Build your settlement, gather goods, ensure maximum efficiency and make a profit!
Why similar: Colony Sim 34.7% ★, City Builder 16.2%, Management 14.6%, Economy 11.7%, Sandbox 8.2%
Build your ultimate aquarium and water park! Manage marine park and make it successful by building aquariums and attractions. Display beautiful, rare or monstrous fishes that your visitors demand and make them satisfied.
Why similar: Creature Collector 25.3%, City Builder 21.7%, Sandbox 11.2%, Management 9.6%, Base Building 9.5%
Raise a thriving colony of unique hybrid animals - breed and build for satisfying genetic traits while nurturing moods and relationships. Choose to lead with Heart, Mind or Soul through each chapter. Decisions and events ripple through time - each MeadowMeld village is uniquely yours.
Why similar: Colony Sim 30.3% ★, Creature Collector 26.2%, City Builder 10.2%, Sandbox 9.1%, Cozy 6.9%
A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.
Why similar: Colony Sim 37.6% ★, City Builder 20.7%, Base Building 12.2%, Sandbox 9.2%, Economy 6.6%
Embark on a journey to build a prosperous settlement in this colony sim with a richly simulated economy. Manage the land, citizens’ salaries, taxes, and laws. Experience a detailed world where every action has a reaction, and even the smallest events can shatter the kingdom’s fate.
Why similar: Colony Sim 26.6% ★, City Builder 22.6%, Economy 14.3%, Sandbox 13.2%, Base Building 8.8%
Bottom Dwellers is a cozy little aquarium that sits at the bottom of your screen. Collect and grow different fishes, discover shrimps and decorate your tank while you work or play on your PC.
Why similar: Creature Collector 36.4%, Fishing 24.6% ★, Underwater 16% ★, Simulation 6.5%, Resource Management 5.9%
Diluvian Winds is a relaxing management game set in a small hamlet at the foot of a lighthouse. Welcome weary travelers and work together to expand your hamlet on land, under the sea, or among the clouds.
Why similar: City Builder 23.2%, Colony Sim 21.3% ★, Economy 11.7%, Sandbox 10.7%, Base Building 9.9%
Take charge as a fishing company manager in a realistic simulator. Plan your catches, trade on a dynamic market, and face ecological challenges. Brave storms, track fish migration and regulations while building your fishing empire.
Why similar: Fishing 23.8% ★, Colony Sim 17.9% ★, City Builder 16.5%, Economy 14.6%, Management 9.1%
It's time to Build a Zoo! Construct and decorate enclosures, buy and breed animals, hire zookeepers and vets... then try your hand at DNA splicing, and stitch together over 300,000 different types of animal. This can only go smoothly...
Why similar: Creature Collector 25.2%, City Builder 24.6%, Sandbox 14.4%, Management 11.2%, Economy 9%
A relaxing life-sim that lives on the bottom of your screen while you do other things.
Why similar: Creature Collector 19.1%, Fishing 17.4% ★, Colony Sim 16.4% ★, City Builder 15.5%, Sandbox 8.1%
A citybuilder where you collect your citizens. Capture monstergirls, craft their gear, and enact laws to turn them into compliant workers or fighters. Grow your colonies across 12 islands to fulfill the unique needs of your monstergirls. Or turn them all into unpaid interns and go humanity first.
Why similar: Creature Collector 34%, City Builder 30.5%, Economy 16%, Sandbox 12.4%, Simulation 4.7%
Ready to start anew? Build a village from scratch in Seeds of Resilience. Learn to choose the right items, understand nature's patterns, use real life-based constructions and craft techniques in this turn-based tycoon game.
Why similar: Colony Sim 24.7% ★, City Builder 20.9%, Economy 13.4%, Sandbox 11.7%, Base Building 10.2%
Build and manage a tropical island economy, optimize production chains, research new technologies, and defend your growing settlement against pirate threats in this relaxing yet strategic city-building game.
Why similar: Colony Sim 29.1% ★, City Builder 26.9%, Economy 16.1%, Management 9%, Base Building 8.6%
Dungeon Overseer is a colony simulator with a focus on base building and resource management. Become the Overseer by building a unique dungeon layout, constructing your lair, upgrading and expanding, questing, crafting, researching, recruiting, defending your base, and raiding.
Why similar: Colony Sim 26.8% ★, City Builder 20.7%, Economy 15.7%, Base Building 12.2%, Sandbox 7.5%
Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.
Why similar: Colony Sim 25.2% ★, City Builder 18.2%, Sandbox 13.5%, Base Building 12%, Economy 11%
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: Colony Sim 19.4% ★, Underwater 17.5% ★, City Builder 16.2%, Economy 11.7%, Sandbox 9.6%
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 24.2% ★, City Builder 23.1%, Base Building 13.2%, Economy 12.8%, Sandbox 8.8%
Cannon Island is a roguelike city builder, where you colonize procedurally generated islands and fight rivals. Wise building placement and resource management are the key to victory.
Why similar: City Builder 25.5%, Colony Sim 22.3% ★, Sandbox 14.8%, Base Building 12.4%, Management 9.5%
Arcane Shores is a city-building strategy game infused with magic. Build, defend, and expand your settlement while casting powerful spells that bend nature, restore what’s broken, and turn the tide against your enemies.
Why similar: Colony Sim 31.4% ★, City Builder 27.7%, Economy 15.3%, Base Building 6.5%, Management 5.7%
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 27.3% ★, Sandbox 16.2%, City Builder 12.4%, Management 11.3%, Base Building 10.5%
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: Colony Sim 21.7% ★, Underwater 18.3% ★, City Builder 18.1%, Base Building 12.1%, Sandbox 8.3%
Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.
Why similar: Colony Sim 25.3% ★, City Builder 18.7%, Sandbox 13.4%, Base Building 11.9%, Economy 9.9%
We Love Fish Tanks is a cozy aquarium builder. Kick back & relax, buy, breed, & sell fish (or fish-like things), and decorate your tank exactly how you'd like!
Why similar: Creature Collector 31.9%, Fishing 22.5% ★, Underwater 20.1% ★, Sandbox 15.2%, Cute 4.2%
Build and manage your own settlement! A relaxing village construction and management simulator.
Why similar: Colony Sim 25.9% ★, City Builder 22.3%, Economy 13.5%, Sandbox 11.6%, Base Building 11.5%
Manage your own medieval smithy in Blacksmith Master and supervise the entire process from mining ores and gems to designing and selling finished products. Forge everything from weapons and armor to tools and cooking utensils to fund your craft and become the Blacksmith Master.
Why similar: Colony Sim 23.4% ★, City Builder 19.5%, Economy 13.5%, Sandbox 11.5%, Base Building 11%
This idle clicker demands you battle for every catch, from small fry to mighty bosses. Arm yourself with diverse weapons; unlock powerful skills and constant upgrades to complete your massive fish collection.
Why similar: Fishing 24.9% ★, Creature Collector 21.6%, Underwater 13.9% ★, Economy 11.7%, Management 8.2%
Design, build, and manage a high school with terrific teachers and fantastic facilities or simply let your students poop in the bushes? Academia : School Simulator is a management/tycoon game where you get to decide!
Why similar: Colony Sim 23.4% ★, City Builder 19.4%, Economy 13.5%, Base Building 10.5%, Sandbox 10%
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 25.8% ★, City Builder 23.4%, Economy 13.5%, Sandbox 11.1%, Base Building 10.3%
Crowded Blue Dot is a game about producing various items to make people happy and growing a city from a small village to a metropolis.
Why similar: City Builder 27.1%, Colony Sim 18.7% ★, Base Building 13.2%, Management 10.7%, Economy 6.7%
This free version of the United Penguin Kingdom covers the content from one year of in-game time. A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales.
Why similar: City Builder 26.8%, Colony Sim 23.1% ★, Economy 13.7%, Management 10.4%, Resource Management 5.4%
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
Why similar: Colony Sim 34.4% ★, City Builder 34%, Sandbox 9.3%, Base Building 7.2%, Management 3.9%
Tokeis is a board-like real-time city builder about growing your town from a tiny tile to a hexagonal empire. Collect tokens, manage resources, reorganize inefficiencies, and fortify your economy. Handle the harsh weather and defend against raiders trying to steal your riches!
Why similar: City Builder 22.9%, Colony Sim 20.7% ★, Economy 17.2%, Sandbox 12.8%, Management 10.1%
The medieval world is waiting for you! Stand up for your people and help them defend their freedom! Build your village, win battles and tournaments, and lead your settlement to prosperity in colony sim RPG Our Freedom: Prologue!
Why similar: Colony Sim 26.5% ★, City Builder 23.1%, Base Building 14%, Simulation 8.6%, Sandbox 8.4%
Gnome Glen is a relaxing survival colony sim / city builder that blends cozy charm with satisfying depth. Gather resources, build homes, farm crops, research techs and watch your gnome village come to life.
Why similar: Colony Sim 26.4% ★, City Builder 21.1%, Economy 13.9%, Sandbox 11.7%, Base Building 11.6%
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
Why similar: Colony Sim 27.1% ★, City Builder 19.5%, Base Building 12.2%, Sandbox 10%, Management 9%
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 31.8% ★, Creature Collector 29.8%, Underwater 13.8% ★, Management 7.8%, Simulation 6.8%
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!
Why similar: Colony Sim 24.7% ★, City Builder 22.4%, Base Building 12.5%, Sandbox 12.3%, Economy 11.9%
Frontera is primarily a fantasy city builder with emphasis on producing items for unit wants and combat. Units have four stats trainable at buildings that will also sell technology. Available items and production will grow strong enough to challenge the monsters that infest the rest of the island.
Why similar: Colony Sim 30.7% ★, City Builder 27%, Economy 16.7%, Simulation 9.1%, Base Building 6.3%
In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.
Why similar: City Builder 27.1%, Colony Sim 27.1% ★, Sandbox 10%, Economy 9.6%, Management 9.5%
Command the sands of Egypt in this epic RTS! Build magnificent cities, lead mythic armies, and harness the power of the gods. Shape the Nile, forge alliances, and rise to become Pharaoh in a world of strategy, intrigue, and breathtaking battles. Your legacy awaits—rule wisely!
Why similar: City Builder 22.5%, Colony Sim 21.7% ★, Economy 12.3%, Base Building 12.1%, Sandbox 12%
Using your knowledge and expertise, make your way through the planet, scavenge its resources and plunder until you are the most powerful factory owner in the universe!
Why similar: Colony Sim 27.9% ★, City Builder 23.3%, Sandbox 13.9%, Economy 11.1%, Base Building 10.9%
Build and manage your own colony. Citizens are primary resource. Make them happy by producing a variety of resources. Protect your settlement and colonists from hostile environment and make a great city!
Why similar: Colony Sim 31.3% ★, City Builder 28.5%, Management 10.9%, Economy 8.4%, Base Building 5.7%
Build a unique civilization in a flat world! Explore, extract resources, expand, and battle enemies. Use your time management skills to fend off attacks and face a mysterious threat. Are you ready to create a world that can survive?
Why similar: Colony Sim 24.8% ★, City Builder 21.9%, Sandbox 11.3%, Base Building 11.2%, Management 9.7%
A cozy medieval village-building game about shaping a charming settlement, cultivating the land, and watching a small community flourish.
Why similar: Colony Sim 37.3% ★, City Builder 25.9%, Sandbox 17.5%, Simulation 11%, Cute 3.8%
AquaCorner is a relaxing 3D idle simulation that brings a charming aquarium to your desktop corner! Collect cute fish, nurture them, and decorate their habitat with colorful items. Enjoy this cozy, atmospheric experience and build your dream underwater ecosystem.
Why similar: Creature Collector 28%, Underwater 22.7% ★, Economy 17.3%, Base Building 10.7%, Management 10.2%
Explore an endless world, build countless settlements, discover lost artifacts, and lead your nation into a new dawn of industry.
Why similar: Colony Sim 24.8% ★, City Builder 22%, Economy 12.8%, Sandbox 12.2%, Base Building 11.7%
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
Why similar: Creature Collector 26.1%, Fishing 22.8% ★, Underwater 16.8% ★, Economy 13.5%, Cozy 4.9%
This is a simulation management and home-building game where you can raise all sorts of slimes. These slimes will cultivate farmland, bake bread, and produce various unique goods. Plan your shops to sell goods to customers and earn plenty of coins. As your wealth accumulates, build your own town.
Why similar: Creature Collector 26.1%, Colony Sim 18% ★, City Builder 15.5%, Economy 9.4%, Base Building 9%
Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.
Why similar: Colony Sim 29.4% ★, City Builder 25.9%, Sandbox 9.3%, Base Building 9.2%, Economy 8.3%
Joyquarium is a relaxing casual fish-raising game. Buy various cute fry and sell them at a high price after they grow up. With the money you earn, you can purchase aquatic plants, driftwood, scenery stone, etc. to decorate your tank (you can freely adjust the color, size, and position).
Why similar: Creature Collector 23.1%, Fishing 21.9% ★, Underwater 18% ★, Economy 13.5%, Cozy 5.1%
Kolo is a medieval settlement simulator where you lead a group of adventurers ready to start a new life in the wilderness.
Why similar: Colony Sim 24.3% ★, City Builder 22.4%, Economy 16.1%, Base Building 10.3%, Sandbox 9%