The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

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

Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.

An evolution simulation game. Take control of your species in the environment and edit your species as a whole. Compete with other evolving species for resources on an alien planet.

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

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

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!

You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works!

Transform your childhood home as you build brilliant factories and forge lifelong friendships, then reach for the skies and finally finish your family's dream - your mother's precious rocket ship. Roll up your sleeves, it turns out that saving this town really IS rocket science!

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.

Sokobond is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science.

Boson X is a fast-paced rotational runner set in a particle accelerator.

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!

Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.

Kaito wakes to find himself in a strange room, with no memories, and a taciturn girl named Yonagi by his side. Upon learning of his role, he immerses himself into three wondrous dream worlds with her. When all three stories meet a bitter end, Kaito recovers his memories, and the true story unfolds.

COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!

Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.

The Twin paradox is an RPG where you must prepare yourself for the first time travel. Make decisions, explore, and learn real science with the scientists of the "Beyond" laboratory. It's up to you to make the journey a success.

Storm Chasing Simulator

Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.

South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

Follow Chud on his fight against Dr Soystein's 'jak army in this spine-tingling survival shooter. NOW FEATURING BADLANDSCHUGS

Life on the Edge is an educational tower defense game. You play as a cell struggling to survive waves of bacteria and the COVID-19 virus. Protect your cell and build an understanding of cell biology at the same time!

There is only you, the abandoned remains of a former life and the flourishing nature that feels great in the absence of man. This world is both gloomy and empty, but so incredibly beautiful.

After every night comes a new dawn, filled with hope and light. As the adventure of our heroes continues, let’s discover what lies ahead!

Control gravity, orbit around black holes, and have fun mastering physics with your car in space! With this educational puzzle game, only your genius and your analytical skills can get you out of trouble after a painful car crash on the Moon!

Interact with elements and molecules in a way that you have never before! Observe them and make them react with each other in the sandbox mode. Synthesize every molecule in the quest mode. Discover countless macromolecules and the elegancy of chemistry.

Gravity Field is a spatial-logic puzzle game with time inverted objects, with no top or bottom.

The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!

Do you have what it takes to save the planet? Beecarbonize is an environmental card strategy game with climate change as your opponent.

Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.

Explore real digital life in The Bibites! Play god by guiding your bibites on their evolutionary journey or engineer your own. Analyze their Neural Network brains and genetic information as they adapt to their environments. Save your favorites and test their strength in Challenge Mode!

When your fate is determined by the universe itself, you don’t have many options. You can either oppose it until the very end or accept it for the rest of your life, but neither choice can change your destiny.

Time moves when you move in a truly non-Euclidean world