Top similar games like Bird by Example:

Grow colonies of fluorescent cells that mutate, swarm, and devour each other in a petri dish arena. Propagate a unique biology of your own as you compete against rival labs in a detailed artificial life simulation.

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.

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!

Collect, command, and chaos! Push your Kaboom Chickens to the limit—and prank them even harder. Rake in profits, evolve your team into crazed legends and restore the legendary farm to its former glory!

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.

Poopy Pooper, the premier pooping simulator and a first of a kind FPS (First Pooper Sh*tter) 

Marble World is a physics sandbox simulator with marbles. Create your own marble races, runs and machines. Customize a variety of tracks, decorations and marbles to create a beautiful world.

A cozy colony-building sandbox you can step inside. Shape the land, build homes and grow food for little creatures with lives of their own. Plan from above, then switch to first person to explore your settlement and the world beyond.

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!

Create and destroy on a scale you’ve never imagined!

Sand in a Box is a 'falling sand' game that simulates thermal flow, electricity, radioactive decay, and gravity. Create art, experiment with physics, and craft your own simulation rules with user-friendly mod support!

WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!

Vilmonic is an artificial life simulator and genetics and evolution sandbox game. Protect and breed unique pixel-art life forms where pixels and color have meaning. Craft tools and buildings and change the environment. Find ancient tech and fend off haywire zombitons. Craft Farm Breed Evolve!

Start as a tiny frog, eat smaller creatures, grow in size and strength, evolve into a monstrous amphibian that's even bigger than elephants. How absurdly big can you get?

In the busy life, do you long to experience the fun of catching dolls but are limited by time and space? Now, the doll catching simulator brings you a brand-new entertainment experience!

A pixel-art roguelite safari park sim. Clone lions, medieval knights and sentient trucks into a park with no fences, then route your visitors past the chaos. You control the paths, the buildings and your robot staff. The one thing you don’t control is the animals.

Welcome to the world of Coal Mining! Start with almost nothing and get to the top - develop your mine, sell coal, buy new machines and avoid dangers in this sandbox simulator. Take control of numerous mining machines. Destroy, mine, drill, transport and blow things up.

This is a special simulation tower defense game, where you need to command each citizen to build a base. To produce food, one also needs to resist monsters from the night.if you want to pass the level, it has a certain difficulty and requires you to have a certain strategy and observation rules.

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.

Inspired by infamous Clicker- type games, TWG is a mixture of casual AFK- point grinder, torture simulator and weird RPG. It allows you to upgrade torture methods, customize the torturing environment, and simply dive into ocean of silly violence against a lame gamedev.

STREETOIR is a first-person / open-world / graffiti-painting game, where you paint everywhere you want and whatever you want.

Ever considered becoming an Exterminator? It’s a nasty and dangerous job, but it pays well. Find work in various places and hunt down hiding pests or fight wild animals. Choose the tools you’ll need to root out the problem. Deal with that mess!

Be ready to get your hands really dirty. In this game you will have to do things that others find too disgusting. Sewage, excrements and blood are just a few examples of what awaits you. You need to be careful or else you will catch an infection. Staying in the hospital means the end of work.

Craft the most epic marble runs you can imagine! Create crazy chain reactions with physics, pinballs, and tons of other gadgets. Invent your own trigger-based contraptions and watch your marbles race!

Destroy mountains of hay with shotguns, pitchforks, chainsaws, flamethrowers, and even a goat in this chaotic physics-based game. Throw, smash, burn, and blast your way through the farm to find one tiny needle.

Thveit is a cozy Norse settlement builder where changing seasons, ancient beliefs, and folklore creatures shape the fate of your settlements. Guide your settlers, manage resources, and grow a thriving community as humans and mythical beings learn to live side by side.

Goat Simulator is the latest in high-tech Goat Simulation technology.

Design, manage and play your very own golf course. Customise golfers, earn skill points and level up! Place surfaces props and edit terrain to craft the perfect golf course for the AI players.

Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.

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.

Destroy it! And liberate it! Until it's all over..Be a delicious and fresh super kingcrab, destroy the city and liberate the kingcrab to join them!

Mars Attracts is a park management sim set in the iconic universe of Mars Attacks™. Play as the devious Martians as you construct detailed enclosures, manage staff, and most importantly - abduct and experiment on humans for the entertainment of your Martian guests!

Duck Creator, Create your own Duck!

Rare Rabbits is an adorable, turn-based simulation game where you can already breed more than 6,000,000 unique rabbits and manage your very own rabbit farm. Each rabbit’s appearance and traits are determined by scientifically accurate genetics and inheritance principles, down to the smallest allele!

A calm artificial-life sandbox where you seed tiny Neeblies into biomes, watch families and traits emerge, and preserve rare discoveries in your Lab. Shape the environment, run parallel ecosystems, and decide when to intervene or let evolution unfold.