
ULTRAQUARIUM is a casual aquarium sim that lets you create your own fish and decorations. Purchase fish, satisfy their needs and they shall repay you in kind. Want two Gregs? You can't have two Gregs.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, Casual, Idler, Singleplayer.

ULTRAQUARIUM is a casual aquarium sim that lets you create your own fish and decorations. Purchase fish, satisfy their needs and they shall repay you in kind. Want two Gregs? You can't have two Gregs.

SquareLife
Build creatures from a handful of traits and set them loose. Watch them feed, breed, fight, mutate and evolve; simple circles becoming many-sided beasts over generations. Play a free sandbox or escalating campaign goals. Every run is a different living world.

Molo's Revenge
Molo's Revenge is the incremental journey of a mole dragon to avenge his village by doing the thing he does best: Digging.
Build creatures from a handful of traits and set them loose. Watch them feed, breed, fight, mutate and evolve; simple circles becoming many-sided beasts over generations. Play a free sandbox or escalating campaign goals. Every run is a different living world.
Why similar: Simulation 27.1%, Idler 25.9%, Sandbox 22.9%, Casual 18.2%, 2D 3.2%
Molo's Revenge is the incremental journey of a mole dragon to avenge his village by doing the thing he does best: Digging.
Why similar: Idler 39.8%, Simulation 26.9%, Casual 17.3%, Pixel Graphics 6.7%, 2D 6.6%
"99% of gamblers quit right before they hit it big. This game is for the other 1%." The ultimate test of human stubbornness. Lotto.exe isn't a "game" in the traditional sense. It is a simulation of a lottery draw designed to determine exactly how much your time is worth to you.
Why similar: Idler 34.4%, Simulation 33.6%, Casual 22.6%, 2D 6%, Indie 1.8%
Your computer desktop will no longer be just a static background, but a living, breathing ecosphere. You’ll watch plants and animals thrive as fish swim freely across your screen. In your downtime, you can feed the creatures, clean up their waste.
Why similar: Idler 33.7%, Simulation 25.3%, Sandbox 19.8%, Casual 14.6%, Pixel Graphics 4.6%
Radio Buddy is a relaxing 2D pixel‑art idle simulation. Tune in, unwind, and enjoy a cozy, family‑friendly retro vibe at your own pace.
Why similar: Idler 33.1%, Simulation 30.9%, Casual 20.6%, Pixel Graphics 7.1%, 2D 5.9%
Pretty Buttons makes the buttons on your keyboard do pretty things. Its a visual sensory experience to engage any who need a little engagement.
Why similar: Simulation 28.3%, Sandbox 24.2%, Idler 19.7%, Casual 18.9%, Colorful 6.5%
「ISLET GARDEN」 is an idle game you can enjoy on your desktop. Plant vegetation on your island, and its residents will automatically gather resources for you. Use the resources you collect to upgrade and gradually adorn your island!
Why similar: Idler 42.7%, Simulation 28.9%, Casual 19.7%, Pixel Graphics 8.7%
Watch the Square bounce around the screen in this idle incremental Game about squares, dots and other shapes. Upgrade, Prestige and even build a deck of awesome abilities in Square Game!
Why similar: Idler 41.2%, Simulation 39.3%, Colorful 8.7%, 2D 7.1%, Indie 1.9%
"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!
Why similar: Idler 35.8%, Underwater 19.6% ★, Simulation 16.5%, Casual 13.6%, Pixel Graphics 7%
You take over a new store, and as a new owner, you're going to make it your own, how are you going to run it, whether it's to make your store lively, or to make it a gathering place for specific enthusiasts, or to sell your favorite items. The decision is yours.
Why similar: Idler 42.2%, Simulation 26.8%, Casual 17.3%, 2D 7%, Pixel Graphics 5.6%
KAIWorld is a simple world that you can place or remove object to build your own world. You can scavenge some stuff and craft with machine in order to reach higher tier.
Why similar: Simulation 32.6%, Sandbox 29.5%, Casual 22.5%, Pixel Graphics 7.7%, 2D 6.5%
"Melo's Cat Cafe" is the perfect game for players who want to relax in a stress-free environment. Instead of chasing goals, players can simply enjoy spending time with the cats. Observe the cats as they eat and sleep, and find peace of mind in their calm presence.
Why similar: Idler 37.5%, Simulation 35.4%, Casual 23.7%, Indie 1.9%, Singleplayer 1.4%
A chill falling-sand pixel physics sandbox. Paint with hundreds of interactive materials — water, lava, acid, crystals, plants and more — discover recipes, build your own elements in the Workshop, and watch it all react in real time. No goals. No pressure. Just pixels.
Why similar: Simulation 32.8%, Sandbox 28.7%, Casual 21.9%, Colorful 7.8%, 2D 6.3%
Tap your way through Valehona Tap! A 2D pixel tap and idle game, Impress your friends with high Prestige Levels and Goons Slain. Can you reach the boss?
Why similar: Simulation 38.4%, Casual 23.3%, Idler 22.5%, Pixel Graphics 5.8%, Indie 5.5%
Project Chromata is a deep sci-fi incremental game about restoring the universe by mixing colors. Unlock new technologies, prestige to gain powerful permanent upgrades from a vast star chart, and master automation systems to watch the numbers soar in this satisfying and feature-rich idle experience.
Why similar: Idler 36.7%, Simulation 32.6%, Casual 21.4%, 2D 6.2%, Indie 1.8%
Collect, grow, and sell exotic fish across 10 stunning aquarium tanks. Hatch egg packs, feed your fish, and build the ultimate aquarium in this relaxing idle collector.
Why similar: Idler 32%, Simulation 30.2%, Casual 19.3%, Pixel Graphics 6.2%, 2D 5.6%
Meditation beyond a simple relaxation - actively using the power of VR to bring meditator into deeper levels of relaxation, awareness and focus.
Why similar: Simulation 27.9%, Idler 27.4%, Sandbox 24.8%, Casual 18.9%, Singleplayer 1%
「Your Own Constella」 is a relaxing game where you create your very own constellations in a real night sky. Using a star map based on real-world time and location, you can freely edit and place your favorite images—or choose from roughly 270 illustrations—as constellations.
Why similar: Simulation 27.1%, Sandbox 24.8%, Idler 20.5%, Casual 18%, Pixel Graphics 4.2%
Disgusting Puzzle 2 is a puzzle game designed for persons over 18 years old. The game is very simple, you have to collect a picture, which consists of 20 elements. With successful assembly a button will appear with the transition to the next level.
Why similar: Simulation 38.6%, Idler 36%, Colorful 8%, Casual 7.7%, 2D 6.5%
Some naughty pixel dinos run around on your computer desktop, being some good accompany while you're working, studying or relaxing. Feed them or play with them, it's on your mark. Don't worry, they won't bite. Enjoy your dino.
Why similar: Idler 47.3%, Casual 19.2%, Simulation 14.4%, Pixel Graphics 8.2%, 2D 7.9%
Pure Simple Physics Fun. Challenge yourself in a chaotic and colourful time trial where there are green squares, that need to be not green!
Why similar: Idler 29.3%, Sandbox 25.4%, Casual 18.4%, Simulation 9%, Colorful 5.5%
Explore raising your very own Sacabambaspis in the casual fish tank idler. Save coins and feed fish various foods, sparking a various set of reactions. Name your Sacabambaspis and watch them grow before your eyes.
Why similar: Idler 37%, Underwater 31.5% ★, Casual 22%, 2D 6.5%, Indie 1.7%
A cozy veterinary clinic simulator where you treat animals, expand your hospital, and build a trusted care center.
Why similar: Simulation 40.2%, Idler 35.8%, Casual 14.4%, 2D 6.5%, Indie 1.8%
A relaxing, Twitch-integrated sheep simulation where viewers can spawn and chat as sheep. Perfect for streamers looking to entertain their audience while resting or away from their keyboard.
Why similar: Simulation 26.5%, Idler 25.1%, Sandbox 23.8%, Casual 17.6%, Colorful 5%
Pixel Mart lets you live out your grocery store fantasy in a pixelated form. Starting with a can of questionable pasta that may be a few years out of date, you can stock and cashier your way to unlocking even more products, and dispensable employees to do the dirty work that you'd rather not do.
Why similar: Simulation 45.1%, Casual 30.3%, Pixel Graphics 11%, 2D 9%, Indie 2.4%
Dive down and see what lies beneath the surface. Discover a vast underwater world as different fishes. The game does not offer any real "Game Play" but is more of a simulation.
Why similar: Underwater 41.5% ★, Simulation 27.4%, Sandbox 23.5%, Casual 6%, Singleplayer 1.5%
Create a vibrant, personal fish pond right on your desktop! Easily raise idle fish, collect cute species, and customize your digital space. Earn continuous rewards even while offline, decorate freely with simple taps and soothing sounds, build your serene desktop oasis effortlessly.
Why similar: Idler 30.7%, Simulation 23.6%, Underwater 23.2% ★, Casual 16.1%, 2D 2.5%
TonoTone is a built-for-VR cockpit style modular synthesizer. Using in-game waveform generation, learn to create dynamic melodies, polyrhythms, and complex compositions.
Why similar: Simulation 36%, Sandbox 30.4%, Casual 24.2%, Colorful 8.1%, Singleplayer 1.3%
Watch a tiny island society evolve as Zen Men meditate, argue, form policies, chase status, and search for the one true creation myth in a strange, living simulation of belief, jealousy, aging, and history.
Why similar: Simulation 27.8%, Idler 25.2%, Sandbox 22.3%, Casual 18.6%, 2D 3.9%
"Under the blue horizon - Aquarium" is a game for those who want to enjoy watching fish. Observe fish in the sea and in aquariums. Discover more types of special fish. Enjoy it while working, relax, or clear your mind.
Why similar: Underwater 37.3% ★, Idler 27.8%, Sandbox 13.2%, Casual 12.2%, Pixel Graphics 6.7%
You experience the life of an abused dog, forced to stay in one place and only watch as the world moves on around him. This game tries to show you how lonly our pets can be and how Important it is to treat them right.
Why similar: Simulation 35.4%, Idler 34.6%, Sandbox 28.7%, Singleplayer 1.3%
Welcome to Idle Shuguang's Alchemy Store! This is a lighthearted and relaxing idle management game. You can leave it running in the corner of your screen to keep you company during work and study, allowing you to enjoy the peaceful pleasure of running a shop amid your busy life.
Why similar: Idler 49.5%, Casual 21.6%, Simulation 13.4%, Pixel Graphics 8.2%, 2D 4.8%
Cute pets live at the bottom of your screen while you do other things.
Why similar: Simulation 35.6%, Casual 21.6%, Idler 19.6%, Colorful 6.1%, Pixel Graphics 6.1%
在一个程序化生成的 2D 像素沙盒世界中探索、挖掘和建造。收集矿物并熔炼,合成物品,升级标签。挑战怪物、发现遗迹,体验自由的冒险与创造之旅。
Why similar: Simulation 33.6%, Sandbox 28.8%, Casual 23.6%, Pixel Graphics 6.3%, 2D 5.1%
an idle game about automating yourself out of a job. build the machine layer by layer; each layer you finish retires the one below it - your own buttons go dark as you win. when the machine no longer needs you, you break the cycle. and wake up one layer higher. the loop remembers. that's the game.
Why similar: Simulation 27.1%, Idler 26.3%, Sandbox 23%, Casual 17.9%, 2D 4%
WobblePop: Pop bubbles, dodge silly fish, and dive into colorful underwater fun!
Why similar: Simulation 28%, Idler 27.5%, Casual 18.5%, Underwater 11% ★, Pixel Graphics 5.6%
The retro Water Ring Toss idle game that lives on your desktop. Toss Actively or set in Auto. Earn Coins, and Spin the GACHA! Collect New Models, Skins, and more to upgrade your endlessly bubbling tank
Why similar: Idler 33.7%, Simulation 29.7%, Casual 19.7%, Colorful 7.5%, Pixel Graphics 6.2%
Ignite a dying star and forge a galactic empire from a single tap. A cozy sci-fi idle clicker: harvest Energy, automate cosmic megastructures that earn while you sleep, then Ascend, collapse it all into Dark Matter and be reborn as a brand-new star.
Why similar: Idler 38%, Simulation 36.3%, Casual 16.6%, 2D 6%, Indie 1.8%
"Fishful Days" is a casual idle game. you can buy fish fry and let them grow in the background; once they reach adulthood, they will continuously produce fish for you! You can also buy multiple fish tanks to achieve snowballing growth. It also offers rich fish tank customization features.
Why similar: Idler 30.4%, Underwater 25% ★, Simulation 17.7%, Casual 11.7%, Pixel Graphics 7.2%
"Your Little Chick" is a casual desktop game that accompanies you. Your little Chick will move around the screen following your mouse.
Why similar: Simulation 37.8%, Idler 35%, Casual 25.4%, Singleplayer 1.8%
A short, incremental game where you solve Captchas and get a bot to automate this process.
Why similar: Simulation 34.4%, Idler 33.8%, Casual 23%, 2D 5.9%, Indie 1.8%
A chaotic desktop toy where a tiny cartoon version of Trump runs around your screen performing ridiculous animations.
Why similar: Simulation 33.9%, Casual 20.6%, Idler 19.9%, Sandbox 16%, Colorful 5.2%
Roofgrown Life is a cozy idle farming game. You can collect fruits in various regions, plant and harvest them, complete customer orders, upgrade your vehicles and house, and explore to unlock new points of interest on the map.
Why similar: Idler 42.2%, Simulation 28.5%, Casual 19.3%, Pixel Graphics 7.1%, Indie 1.6%
Become an "Internship God" and master HAMMY's life.A group of lovely but ignorant HAMMY, a small island with nothing, all of which will change in your hands. Go to give HAMMY different lives and guide them to different future!
Why similar: Simulation 48.2%, Casual 30.9%, Sandbox 13.7%, Indie 7.2%
Have you ever wanted to devote your time and energy to amassing a small fortune, and then place total trust in a complete stranger to not steal it all away from you?
Why similar: Simulation 54.7%, Casual 33.8%, Idler 11.5%
Create your perfect little Greenhouse with fantastic plants, fun decorations and more in this cozy idle game! Throw your harvests around and cause havoc, and then use the vacuum to clean up your mess (for profit of course). Use your well-earned money to buy decorations, unlock new plants and pots.
Why similar: Simulation 29.4%, Sandbox 22.6%, Idler 21.4%, Casual 16.3%, Pixel Graphics 4.8%
Small rubber ducks calmly swim in the pool and you can watch them to relaxing music. What can go wrong?
Why similar: Idler 31%, Simulation 19.6%, Sandbox 18.2%, Casual 12.3%, Pixel Graphics 6.9%
Watch clouds, control the weather, play music, and pretend this was exactly how you planned to spend your evening. Watching the Sky is a calm observation sandbox with no combat, no quests, and absolutely no pressure.
Why similar: Simulation 31.4%, Sandbox 28.2%, Idler 21.8%, Casual 16.7%, Indie 1.3%
An incremental game about digging a hole to the other side of the world.
Why similar: Idler 40.9%, Simulation 25.8%, Casual 16.5%, Colorful 5.9%, Pixel Graphics 5%
Lu[Idle] is an Incremental game with Idle and Clicker elements as well as pixel art visuals and music.
Why similar: Idler 40.5%, Simulation 26.3%, Casual 13.3%, Pixel Graphics 8.5%, 2D 7.1%
A relaxing “hamster × sandbox” building game where you restore a quiet mountain peak and build a cozy, sunflower-filled hamster village.
Why similar: Simulation 28.2%, Sandbox 25.6%, Idler 22.4%, Casual 18.7%, Colorful 4.6%
My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?
Why similar: Underwater 30.6% ★, Sandbox 20.2%, Simulation 16.9%, Casual 10.9%, Idler 8.9%
Build amazing marble contraptions with IncrediMarble! Enjoy idle incremental tycoon sandbox simulation gameplay with the best physics Unity can offer. It's like that old toy you had as a kid!
Why similar: Idler 32.2%, Sandbox 28.3%, Simulation 16.2%, Casual 10.6%, Colorful 5.6%
BirdBalcony is a cozy desktop companion where you feed birds, decorate your balcony, and collect letter fragments to uncover hidden stories. With changing time and weather, each visit feels alive—you never know who will come next.
Why similar: Idler 43.7%, Simulation 31.2%, Casual 17.9%, 2D 4.3%, Indie 1.7%
Toilet Paper Idle is an incremental game about consuming as much toilet papers as possible with the help of helpers, skills, and upgrades. Discover special types of toilet papers as you progress, and be careful to not clog your toilet!
Why similar: Idler 45.5%, Simulation 21.3%, Sandbox 12.2%, Casual 11.7%, Pixel Graphics 4.8%
A survival comedy where every storm, outage, and pigeon is out to end your career. Upgrade, panic, and try to keep the lights on a little longer.
Why similar: Simulation 30.8%, Sandbox 27.5%, Casual 19.6%, 2D 8.6%, Colorful 6.8%
Physics Cake is a 2-D physics simulation game where you can draw containers, objects, or anything you want really and put whatever chosen physical object you want inside of it.
Why similar: Simulation 33.7%, Sandbox 28.5%, Casual 22.4%, 2D 6.3%, Pixel Graphics 6.2%
My Chibi Friend is a cute companion that lives on your desktop and interacts with you! Watch your character walk, eat, clean – and even answer your questions!
Why similar: Simulation 33.3%, Idler 31.2%, Casual 22.2%, 2D 4.9%, Colorful 4.2%
There's no fuss here. There's only golden light, rustling grass, and dozens of friendly faces. Look for capybaras in the thicket, but remember the most important rule of photography: to capture the perfect shot, sometimes you just need to lower the camera.
Why similar: Simulation 29%, Idler 24.5%, Sandbox 24.2%, Casual 18.5%, Indie 2.8%