
"Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer! Place your own aquarium anywhere on your screen, coexisting with your work, games, and more!
60+ similar titles based on shared tags and player behavior. Themes include Idler, Relaxing, Casual, Cute.

"Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer! Place your own aquarium anywhere on your screen, coexisting with your work, games, and more!

Rusty's Retirement
A relaxing idle-farming simulator that sits at the bottom of your screen while you do other things.

Island Robot Farm
Build a super large island with robots in this relaxing idle farm simulation game. Assign tasks to robots to plant, raise animals and build various buildings to expand your island. Even when you're busy, the game can run quietly at the corner or bottom of the screen and keep developing your farm.
A relaxing idle-farming simulator that sits at the bottom of your screen while you do other things.
Why similar: Idler 28.1%, Farming Sim 18.6%, Base Building 11.6%, Building 11.1%, Relaxing 9.6%
Build a super large island with robots in this relaxing idle farm simulation game. Assign tasks to robots to plant, raise animals and build various buildings to expand your island. Even when you're busy, the game can run quietly at the corner or bottom of the screen and keep developing your farm.
Why similar: Idler 35.1%, Farming Sim 20.8%, Building 10.7%, Relaxing 8.8%, Simulation 7.3%
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: Idler 47.1%, Underwater 17.8% ★, Relaxing 13.6%, Simulation 8.6%, Casual 6.8%
A chill idle-fishing desktop toy in the corner of your screen. Buy upgrades, catch rare fish, and customize your avatar at your own pace!
Why similar: Idler 48.9%, Relaxing 15.6%, Pixel Graphics 12.3%, Simulation 11.8%, Casual 7.7%
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: Idler 29.6%, Underwater 21.4% ★, Farming Sim 16.3%, Relaxing 10.3%, Simulation 7.3%
Welcome to Fish to Dish: Idle Sushi! This is a relaxing and enjoyable idle fishing game that can sit at the bottom or any corner of your screen, allowing you to enjoy a leisurely sea fishing time in your busy life.
Why similar: Idler 53.4%, Relaxing 15.2%, Pixel Graphics 9.7%, Casual 8.5%, Simulation 8.3%
Meet your new little desk buddies! They’ll snooze, scratch, and scamper around while you work or study (don’t worry, they’ve been trained not to invade your workspace). If you’re good at animal management, they will occupy the bottom of your screen with different kinds and colors!
Why similar: Idler 33.6%, Farming Sim 21%, Building 11.6%, Relaxing 10.5%, Pixel Graphics 8.7%
A relaxing idle fishing game that waits for you at the bottom of your screen. CATCH fish, BUY upgrades, COMPLETE your collection, and DISPLAY them in your aquarium.
Why similar: Idler 48%, Relaxing 15.9%, Pixel Graphics 12.5%, Simulation 11.6%, Casual 6%
Create a farm at the bottom of the screen and enjoy planting and harvesting with your monster companions! They handle all the work—just plan the layout, decorate, and wait for fun crop mutations. Take a break from busy life and enjoy the calm joy of farming.
Why similar: Idler 32.3%, Farming Sim 22.8%, Simulation 11.7%, Casual 9.6%, Base Building 6.7%
A cozy idle game that sits anywhere on your desktop. Watch the frog cut grass, upgrade his tools, and decorate the island while you work or relax.
Why similar: Idler 37.4%, Farming Sim 20.6%, Building 14.1%, Relaxing 13.4%, Casual 6.6%
Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.
Why similar: Idler 39.7%, Underwater 17.2% ★, Relaxing 14.3%, Pixel Graphics 10.3%, Simulation 8.7%
A relaxing life-sim that lives on the bottom of your screen while you do other things.
Why similar: Idler 31.9%, Farming Sim 20.3%, Base Building 11.5%, Building 10.6%, Relaxing 10.2%
A happy aquarium that lives at the bottom of your screen! Tiny Aquarium is a social idle simulator that keeps growing, even when offline. Hatch, sell fish, decorate, go fishin’, and visit your friends’ aquariums with bite-sized daily sessions.
Why similar: Idler 35.5%, Underwater 22.7% ★, Farming Sim 19.1%, Relaxing 9.6%, Simulation 5.7%
Idlequarium is a casual simulation game where you raise adorable little fish to earn coins, purchase decorations, and build a fully customized aquarium.The game sits anywhere on your desktop, letting you interact with your live aquarium during work or study breaks.
Why similar: Idler 41.1%, Underwater 32.9% ★, Relaxing 8.9%, Simulation 5.3%, Farming Sim 4.1%
A cozy management sim where the jazz is smooth, the cocktails are cooler than the evening breeze, and the lake reflects your perfect escape.
Why similar: Idler 31.9%, Farming Sim 14.2%, Building 12.6%, Base Building 10.8%, Pixel Graphics 8.9%
Collect over 100 stylish little pets on your desktop! They can freely move along the bottom of your screen, or live in the little houses you've carefully decorated for them. Hmm... or perhaps send them on adventures to earn treats?
Why similar: Idler 45.3%, Relaxing 12.9%, Pixel Graphics 11.4%, Casual 8.5%, Simulation 8.3%
"Lofi Aquarium" is a gamified focus tool designed to enhance concentration and relieve stress. As you work, a group of adorable baby fish will keep you company, all set to soothing lofi music. Over time, the fish grow and can be sold for profit.
Why similar: Idler 41.9%, Underwater 28.4% ★, Relaxing 12.8%, Simulation 7.2%, Casual 6.2%
A cozy idle farming game, watch tiny guys do tasks around the terrace, expand, progress, and decorate your Tiny Terrace.
Why similar: Idler 36.2%, Farming Sim 23.2%, Relaxing 11.5%, Building 9%, Pixel Graphics 7.3%
Put Fischer on your desktop as your ultimate study and work buddy. He'll fish quietly in the corner, taking care of it all—you just drop in occasionally to collect your rewards, unlock new fish, upgrade your rod, while enjoying that calming, healing atmosphere.
Why similar: Idler 62.5%, Relaxing 16.8%, Casual 10%, Colorful 3.8%, 2D 3.6%
A relaxing sandbox casual simulation game where you perform various, even strange, aquarium-related tasks on very diverse levels. As an Aquarist you must create and manage a home to amazing fish🐟, sea turtles🐢, sharks🦈, octopuses🐙, and more🐬. Aquarium is their world and life. Make it worth...
Why similar: Idler 24.5%, Underwater 22.4% ★, Farming Sim 15.7%, Building 11.1%, Relaxing 10.5%
Idler game inside an antique dream globe, build the small home and help the mini dream world grow
Why similar: Idler 39.9%, Farming Sim 25.5%, Relaxing 10.6%, Pixel Graphics 7.5%, Simulation 6.9%
Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!
Why similar: Underwater 27.2% ★, Idler 24.6%, Farming Sim 17.7%, Relaxing 10.6%, Building 9.3%
A relaxing and humorous idle god simulator that stays at the bottom of your screen or on a second monitor while you do other things. With physics-based dragging interactions, it feels just like playing with desk toys.
Why similar: Idler 42.9%, Relaxing 14.8%, Pixel Graphics 11.8%, Building 10.3%, Simulation 9.6%
Cozy Island Idle is a chill fishing idle game where you catch all sort of fantasy fishes to showcase them in an Aquarium to sell them to turn a profit and customize your aquarium and island.
Why similar: Idler 33.3%, Underwater 27.8% ★, Farming Sim 19.8%, Simulation 6.5%, Casual 6.4%
Relax and grow! A laid-back idle game where you nurture mysterious plants (some even human-like!), watch them flourish, then sell them to expand your magical garden. Design your own unique oasis at your own pace.
Why similar: Idler 48.7%, Farming Sim 29.1%, Casual 8.5%, Simulation 7%, 2D 3.1%
Machorium - Muscle Aquarium Simulator - is a relaxing idle and sandbox game where you can unwind and have fun. Use points generated by cute little decorative muscle men to unlock various items and create your ideal muscle aquarium, Machorium.
Why similar: Idler 41.5%, Underwater 28.6% ★, Relaxing 11.3%, Simulation 10.7%, Casual 7.6%
Run a bathhouse visited by animals! Maltese's Fluffy Onsen is a relaxing simulation game that you can enjoy while doing other tasks, as it sits at the bottom of your screen. Place baths with different temperatures and rest areas to help a variety of animal friends unwind.
Why similar: Idler 45%, Pixel Graphics 15.3%, Simulation 13.2%, Relaxing 10.8%, Casual 8.6%
A creature collection game that sits at the bottom of your screen & fits easily into your routine. Whether you're working, studying, or relaxing, Whimside is always ready to offer you a cozy escape. Capture rare creatures, create new species & decorate your whimsical space!
Why similar: Farming Sim 34.4%, Idler 16.1%, Relaxing 14.9%, Pixel Graphics 10.5%, Simulation 9.9%
Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.
Why similar: Idler 36.6%, Underwater 21.7% ★, Relaxing 14%, Pixel Graphics 11.3%, Simulation 6.9%
A relaxing idle village-building simulator nestled in the corner of your screen! Build, Craft, and Trade to guide your village from humble beginnings to a thriving trading hub, it's time to write your own Village Tale!
Why similar: Idler 30.7%, Farming Sim 20.6%, Building 11.2%, Relaxing 10.2%, Pixel Graphics 8.3%
Relaxing game where you can build your farm on your desktop. Your farm will be your interactive live wallpaper. Perfect to play in the background doing other things.
Why similar: Farming Sim 53.3%, Simulation 21.9%, Casual 17.4%, Colorful 6.4%, Indie 0.6%
Take a deep breath and dive right into this cozy incremental game about a senior turtle trying to start a business selling jellyfish. Upgrade your equipment, explore biomes, and help your turtly village!
Why similar: Idler 48.1%, Relaxing 16.9%, Casual 10.8%, Simulation 10.1%, Pixel Graphics 6.1%
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: Underwater 40.7% ★, Building 21.8%, Simulation 13.2%, Relaxing 12.5%, Casual 9.7%
This is a relaxing atmospheric game where you simply watch a robot catch creatures. Place it at the edge of your screen like a vertical desktop accessory and observe the ecosystem. It’s neither an idle game with mountains of stats nor an exciting fishing game.
Why similar: Idler 42.8%, Relaxing 20.5%, Pixel Graphics 14.9%, Casual 12.8%, Indie 3.9%
'dEskape' is a base-building game which sits across the bottom of your desktop allowing you to work, browse, or watch something else while you play. It's idle when you like and active when you want.
Why similar: Idler 31.6%, Farming Sim 16.8%, Base Building 13.7%, Building 12.7%, Relaxing 6.8%
Little Aviary is a relaxing idle bird collector that sits at the bottom of your screen! Hatch unique birds, sell them, decorate, then watch them fly around your screen and perch on top of your other windows!
Why similar: Idler 49.7%, Relaxing 13.2%, Building 11.5%, Pixel Graphics 8.4%, Simulation 7.2%
Desktop Fishing is a cozy idle game that sits in the corner of your screen. Go about your usual desk work (or don't) while your frog buddy catches fish, discovers new outfits, and unlocks fishing spots.
Why similar: Idler 59.8%, Relaxing 15%, Simulation 9.4%, Casual 7.3%, 2D 3.9%
Fish culture in reality is expensive and time-consuming! In this game, your desktop is connected to the sea and lake, where you can purchase various types of fish and cultivate on-hook without affecting the computer operation. It's enjoyable to watch the fish swim freely on your computer desktop...
Why similar: Farming Sim 40.3%, Simulation 24.2%, Casual 19.7%, Relaxing 14.9%, Singleplayer 0.9%
Mushrooms of all kinds—adorable, quirky, and even some with unique abilities—are spring up randomly on your computer! Collect and nurture them, then decorate with various objects to create your own cozy mushroom haven, keeping you company while you work, study, or simply unwind.
Why similar: Idler 33.1%, Farming Sim 24.7%, Simulation 12.8%, Casual 10.2%, Pixel Graphics 8%
A cozy idle aquarium overlay that brings your desktop to life with pixel-art fish. You can hatch, breed, and collect fishes in thousands of genetic combinations. Dress them up with accessories, watch them grow from eggs to adults, and unlock playful upgrades through a skill tree.
Why similar: Idler 40.3%, Underwater 30.9% ★, Farming Sim 26%, 2D 2.9%
A relaxing game displayed as an overlay above system windows. Can't you have an aquarium? Now you can - on your monitor!
Why similar: Relaxing 37.8%, Simulation 29.2%, Casual 18.2%, Colorful 12.3%, Singleplayer 2.5%
Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!
Why similar: Underwater 56.3% ★, Relaxing 21.9%, Pixel Graphics 8.2%, Casual 6.7%, Colorful 5.8%
Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!
Why similar: Underwater 33.5% ★, Idler 33.2%, Relaxing 13.1%, Simulation 10.5%, Casual 5.6%
Cozy idle cafe management that keeps you company while you work. Grow fresh ingredients, cook, and serve delicious food to adorable animal customers. Build your dream cafe that sits at the bottom of your screen.
Why similar: Idler 34.4%, Farming Sim 19.2%, Building 13.6%, Relaxing 9.6%, Pixel Graphics 7%
A relaxing idle game about fishing. Discover dozens of fishes and treasures! Spend your resources on growing your operation and unlocking new varieties of underground life! Achieve goals, buy skills, and mutate rare fish to improve your profits!
Why similar: Idler 45.8%, Relaxing 15.9%, Farming Sim 14.4%, Simulation 8.7%, Pixel Graphics 7.4%
An idle auto-battler that sits in the corner of your screen while you do other things.
Why similar: Idler 65.8%, Pixel Graphics 12.7%, Casual 10.3%, Relaxing 5.5%, 2D 3.3%
With Me: Aquatic Time is a gamified time management tool. With relaxing lo-fi music and white noise, fish swim across your desktop as a cozy companion. Earn fish coins by focusing on goals, nurture aquatic creatures and collect encyclopedia to build your unique cyber aquarium!
Why similar: Idler 41.4%, Underwater 31.3% ★, Relaxing 18.1%, Casual 8%, Singleplayer 1.3%
5 minutes to get started, play anytime! This is a relaxing fishing-themed incremental game. You will join the Cat Captains to explore global fishing grounds, catch fish, and collect resources. Every rewarding voyage will have you shouting, "One more round!"
Why similar: Underwater 32.2% ★, Relaxing 29%, Casual 22.3%, Simulation 13%, 2D 3.4%
Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!
Why similar: Underwater 33.5% ★, Idler 31.1%, Relaxing 13.5%, Simulation 7%, Casual 5.4%
In Plantera you build your own garden and watch it grow with new plants, bushes, trees and animals. As you play and expand your garden you will attract Helpers, round blue creatures that will help you with your harvesting tasks.
Why similar: Idler 37.8%, Farming Sim 22.7%, Building 14.7%, Relaxing 9.9%, Simulation 4.9%
Tiny Biomes is a relaxing idle game where animals peacefully produce resources and you gather wood in a calm harvesting zone. Build small biomes, earn gold, and enjoy steady progression without pressure, timers, or stress. Play at your own pace and unwind.
Why similar: Idler 52.7%, Relaxing 16.9%, Pixel Graphics 11.5%, Casual 9.9%, Colorful 3.5%
Create Your Own Cozy Workspace! Mini Cozy Room : Lo-Fi is a productivity game blending relaxing Lo-Fi music with room decoration. Cute avatars, pets, desktop memos, to-do lists, and a Pomodoro timer help boost your focus. Feeling lonely? Work together with friends in multiplayer mode.
Why similar: Idler 59.3%, Relaxing 16.6%, Pixel Graphics 14.9%, Casual 6.6%, Indie 2%
Grow fish with a gachapon twist in this bite-sized idler! Feed, nurture, and watch as fisher people reel in mature catches, earning money to upgrade things like feeding, growth, and fishing speeds for even faster profits.
Why similar: Idler 39.3%, Relaxing 15.7%, Pixel Graphics 14.6%, Simulation 11%, Casual 10.8%
Tiny Isle is a cozy island-building simulation game. Grow crops, collect crystals, expand and customize your magical island, and welcome sprites and animal residents. Play actively with hands-on planning, or relax with full idle progression as your island comes to life at your own pace.
Why similar: Idler 32.4%, Building 18.2%, Relaxing 14.7%, Farming Sim 12.9%, Simulation 9.6%
Relax and catch fish in beautiful environments while your crew works for you, even offline. Hire crewmates, collect pets, sail ever-bigger boats, and uncover layer after layer of progression. Simple to start, surprisingly deep.
Why similar: Idler 55.8%, Relaxing 19.6%, Simulation 10.3%, Casual 9.7%, Colorful 4.7%
Luna's Fishing Garden is a short, cozy fishing and building game. Catch fish, trade it in and create the garden of your dreams by planting new trees, placing water objects and bringing animals to the archipelago.
Why similar: Idler 36%, Farming Sim 22.3%, Relaxing 11.2%, Building 10.8%, Pixel Graphics 8.3%
《Fluffy Kitchen Saga》A restaurant simulation game located at the bottom of your computer screen, where both staff and customers are fluffy little animals! They’ll keep you company while you work/study. Let’s run a restaurant full of fluffiness!
Why similar: Idler 37.2%, Farming Sim 24.3%, Simulation 10%, Pixel Graphics 8.7%, Relaxing 8.2%
Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.
Why similar: Underwater 42.6% ★, Building 18.8%, Relaxing 16.1%, Simulation 11.8%, Casual 8.4%
DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.
Why similar: Underwater 30.8% ★, Farming Sim 19.2%, Pixel Graphics 14.7%, Relaxing 14.6%, Simulation 8.2%
Time Is Honey is a relaxing idle game where you manage bee hives. Collect unique bees by opening bee packs, take care of them in real-time and then turn it all into profit. Unlock, upgrade and customize your hives, and enjoy completing your collection of bees.
Why similar: Idler 32.5%, Farming Sim 18.9%, Building 12.2%, Base Building 9.8%, Simulation 7.7%