Science

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

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.

Puzzle platformer where you control both the cat and the toast, based on the famous "Buttered Cat Paradox". The game features 200+ levels, 70+ skins, plus boss fights and mini-games!

The Powder Toy is a classic physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances

Developed by 5pb. and Nitroplus, STEINS;GATE was awarded Famitsu magazine's coveted annual Game of Excellence award and was voted one of the most emotionally charged “tear-inducing games” ever made, in a Famitsu poll.　It is a gripping and moving Visual Novel, which has already spawned manga and anime adaptations.

Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.

Collect Horses. Breed Horses. Race Horses. Genetically Modify Horses. Create a Horse paradise or just get rich!

Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

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.

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.