Top similar games like The Neeblarium:

An ecosystem simulation running in your hands. Transform a desertic world into a lush forest. No stress, play at your own pace. This world is at your disposal. Terraform the landscape, add plants and animals. Create your perfect ecosystem.

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

Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!

Desktop Town is a relaxing idle city builder that runs directly on your desktop. Build and decorate your own tiny town, or watch your little citizens go about their day, while doing your usual tasks on the PC.

Kselebox is a sandbox game, which means you can do whatever you want in it! You can build a rocket and go to explore the vastness of space. Or maybe you want to build a huge car? No problem! Players can save their buildings and then publish them to the Steam Workshop.

Build the island of your dreams - either by hand or using procedural generation tools. Create cozy islands while completing objectives to unlock new items & tools. Adjust the quantity of bridges, the maximum height of the terrain, and meticulously tweak configurations to create unique island worlds!

Help or hinder Torridge Island as you take control of a Giant in this sandbox of villagers, wildlife and natural disasters. Will the villagers praise you and beg for your return in the morning, or pray that you never reappear.

Protect the environment, and save it from harm! Give commands to the animals, observe their rituals and help them survive. Face different disasters, react to human presence and help the animal kingdom flourish in this unique, environmental experience!

Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!

A relaxing evolution simulation where AI-driven block creatures move in unexpected ways. There are no complex ecosystems—just pure movement learning through a physics engine. Watch as these creatures scurry, stumble, and evolve in their own unique, unpredictable ways.

Grow a multiplying population of adorable creatures and guide them as they rebuild their world. Assign tasks, gather resources, and watch your colony come to life as their numbers rise. Turn a handful of creatures into a thriving world and uncover all their secrets in this cozy, incremental game.

Play as wild animals in a relaxing open-world island. Discover hundreds of glowing orbs that teach you real-world facts about the animals you control. With dynamic weather, day/night cycles, and narrated facts, In the Wild is a peaceful way to explore and learn.

Kojimachi is a widget style pet game where you can feed and care for your pet on the island you decorate.

Build a living pond where every fish has a unique genetic code. Breed for rare traits, balance oxygen and hunger, unlock new species, and watch your ecosystem compose its own soundtrack in real time. Part sim, part idle game, part science experiment gone beautifully wrong.

Plant a tree, watch the forest grow. Wild Souls is a chill ecosystem sim with no time pressure, inspired by Don't Starve and Zoo Tycoon. Build your own world like you would a garden, experiment which animals and plant species can live together, manage and balance the populations, write YOUR stories.

Create and evolve your own digital lifeforms! Watch or interact as your creations adapt and thrive in a world governed by the laws of physics. Download now and start your own evolutionary journey!

Poly Skies is an introductory city builder designed to help you relax. Take care of your villagers, expand to new islands, unlock secrets and defend from sky-high threats.

Help shroomies transform a big mushroom into a cozy little home! Care for them, help them garden and build things, relax, and take nice pictures!

Watch a simulated 2D world including weather, plants, animals, and humans in this casual sandbox game about nature and life. Start meteor showers, spawn new animals, or just let things play out naturally. It's like a screensaver you can play.

This cute desktop pet is designed to mimic your desktop activities and reveal a reflective message each day. Enable the signature snowball startup launch to let Winter Panda stay with you always. No demanding tasks. Just when you might forget it’s there… then suddenly, you notice it again!

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

The Sapling is a short simulation game where you design your own plants and animals, and put them in a world together. Or you turn on random mutations, and see what evolution does to your ecosystem!

Phero is a small-scale nature simulation game where you grow flowers, gather nectar and balance an ecosystem. Introduce different insects species, observe them interact and stay on top of the food chain to prepare your plants for infestations.

A cozy desktop idle game that runs quietly in the background. River sand is sifted to discover minerals and build a small museum collection.

Gridworld is an artificial life and evolution simulator. Watch creatures evolve through natural selection as they learn to find food, avoid danger, and compete with other creatures for survival.

Transform barren land into a thriving ecosystem in this relaxing building game. Recycle trash, grow plants, and reintroduce wildlife to create a self-sustaining world.

Story of Animal Sprite is a casual merge game where you will restore the homeland for cute animals by building various fancy structures.

Colors! Maze is a minimalist casual game of easy mazes with relaxing music.

In Chicken Coop, a magical farm needs your help! Humans are gone, and the cow wants her pumpkin. Use tools to build, plant and grow crops, and recruit animals like the trixy cat to scare off thieves. With charming characters, including chickens with hats, it's a fun game for young audiences.

Ant farm (formicarium) with a colony of ants. Ants have artificial intelligence that mimics the full life cycle, behavior, nature and physics of real insects.

Colors! Maze 2 is a minimalist casual game of easy mazes with relaxing music.

Behind this cute potion-making game lies a choice-driven RPG. Will you solve problems or swindle customers with devious tricks?

Evergarden is a relaxing idle incremental about turning a tiny barren patch into a lush, living island. Restore tiles with your shovel, let workers gather resources, meet pets, and watch the ecosystem quietly spread on its own.

Observe a small wild ecosystem where plants and animals live, grow, and struggle to survive. Herbivores feed on grass and trees, carnivores hunt their prey, and plants spread their seeds to grow again. Watch the flow of life unfold without directly controlling it.

Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.

Kindle a world where every light is a living soul. Shape it — never command it — then fall from the heavens to a single life and follow it. Ask why about anything and get the real causal chain. The stakes always win; how long and how brightly your world burns is the score.