Top similar games like IDLE PET UFO:

A desktop hunting game. Catch tiny creatures that appear on your desktop, bring them to your peaceful garden 🏝️ Take care of them as they grow, evolve, and fill your space with quiet cozy life.

Fishjoy: Fishing & Aquarium is a relaxing idle game. 4 modes: 410/326 fish; 437/122 other creatures. 65 boats,16 anglers,14 baits;19 spots,31 islands. Tanks: 394 corals,28 plants,46 hardscapes,23 presets. Set sand,water,backgrounds and lights. Blind boxes unlock new fish,corals and plants.

Raise and hatch eggs in this idle breeding simulation. Collect various types of SlimeMonster, also known as "Slimeon," and complete your collection!

This is a group of cute little fish swimming leisurely at the bottom of the screen while you work. The fish swim, grow and earn stars for you. Use them to buy other cute little fish until the bottom of the screen becomes a colorful ocean world! Start a leisure desktop fish farming journey!

Turn every keystroke into a thriving ocean! Nano Reef is a cozy companion game where typing or clicking earns gold—without interrupting your work. Spend gold to buy marine fish, vibrant corals, and decorations, or feed your fish to interact. Build your unique, relaxing desktop aquarium!

Transform a barren seabed into a vibrant, colorful coral reef! Manage your resources to unlock new marine species, grow your ecosystem, and build your ultimate underwater paradise while listening to soothing soundtracks.

Still Waters is a cozy idle aquarium at the bottom of your screen - the kind you can reach into. Grab fish, toss them, collect them, and let a little ocean keep you company while you work, study or chill.

Relaxing, cozy and slow paced farm simulator where you collect creatures and build your own ranch. Seekers keep you company while you work, study or just chill on your PC. Collect Orbs to get eggs which hatch new creatures. Decorate the shrine with trees & plants, which offer food for your Seekers.

An idle game about collecting moths.

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).

Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!

An idle desktop aquarium game where you buy, feed, and breed fish to discover new species with unique rarities and tiers. Decorate cozy tanks and customize your desk with cute items. Earn money just by caring for your fish, even while you work or relax!

Plant seeds, pull weeds and sell vegetables - all while doing something else!

This is a desktop idle game. Camellia toils in any screen corner. Her land holds magic, with vibrant crops sprouting endlessly. Collect 100+ varieties—the rarer the crop, the more gold you earn. Save coins for tools or outfits. Working or relaxing, she brings you a soothing experience.

Whimsy Koi is a cozy idle game where you manage calming koi ponds. Collect various whimsical koi fish and decorate your ponds however you want. Just relax and enjoy the tranquil experience.

Hatch mystery eggs, watch fish grow to reveal their hidden rarity, and collect the rarest ones in a cozy aquarium you can relax with in the background.

Relax and collect over 500 unique molluscs in this cozy idle game. Watch larvae grow into stunning adults in real-time, customize vibrant aquatic habitats across 9 themed packs, and discover rare species from garden snails to deep-sea cephalopods.

Plantabi is a chill sandbox game where you take care of adorable plants and design the cozy little garden of your dreams!

An idle pet-collecting clicker game that keeps you company at the bottom of your screen. Click your egg to help it hatch. Grow your collection of pets to unlock upgrades and rarer eggs. Relax to chill Lofi music while you play at your own pace. Will you hatch the shiny variant of each pet?

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?

Shrimp Method is a deliciously addictive shrimp-themed incremental game, where you can watch your shrimp slosh around into full grown crustaceans, vacuumed up by Shrimp Co.'s industrial vacuum network and turned into sweet sweet money!

“Work... or Fish?” is a cozy idle fishing game that runs on your desktop. The cat took a long vacation to enjoy peaceful fishing—will you join? Shrink the window to fish in secret, upgrade gear, and relax in your own little corner.

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!

Daily Botanica is a relaxing desktop idler about raising mysterious plants. Pet and water each seedling, discover what makes it flourish, and arrange a living collection around your screen - even while you work, study, or step away.

A cozy idle advent calendar game — unlock new items each day and decorate your little Christmas room at your own pace.

"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. 

Dive into a simple yet charming world where curious Whomers creatures dig, eat, and survive in a compact 64x64 grid. This minimalistic simulation offers a peaceful experience of watching and interacting with small digital beings as they go about their lives

Nimikins is a cozy idle gacha game with zero microtransactions. Collect adorable Nimikins and discover rare, shimmering color variations as you reunite them with their goddess, Aerie. Craft accessories to grow their strength and express your unique personality.

In Hungrities, you will take care of small and adorable creatures while attracting new visitors who will explore your farm! Play and interact with your cute creatures: drag them, squeeze them, or stop them if they start fighting each other. Have fun while expanding your collection!

An idle clicker where you grow one small planet into a galactic empire. Click Earth, colonize living worlds across star systems, build Dyson Spheres, catch comets and reset reality with the Big Bang. Your civilization keeps producing even while the game is closed.

Summon and study witches’ familiars in this charming creature collection game. Gather dragons, spirits and more in your quest to complete your magical grimoire. Watch them enchant your screen without intruding while you work, study or relax. With over 100 variations there’s a favourite for everyone!

A relaxing idle swimming game where you catch fish, unlock new locations and characters, customize your swimmer, and enhance your abilities with helpful pets and power-ups.

A calm idle game that plays in the margins of your screen. Your open windows are the terrain; a small crew of astronaut animals tends the alien plants that grow between them. It never takes focus, never interrupts, and yields to your work.

Animal Workforce: Idle Tycoon Clicker is a simple and laid-back game that’s easy to jump into. Perfect for casual play, it lets you unwind and progress at your own pace, all while collecting rewards and achieving upgrades. There are also plenty of easily obtained Steam Achievements!

Farmer Cats is a relaxing casual simulation game featuring cute cats that can farm, fish, and build.

A tiny apiary that lives in the corner of your desktop. An idle beekeeping game about real bees — varroa counts, ageing queens, colonies that eat their winter stores to survive. It keeps its own clock, sits beside your work, and asks for a glance now and then.