Have you ever wanted to blow something up? Or maybe you always
dreamt of operating an atomic power plant? Do you have a will to
develop your own CPU? The Powder Toy lets you to do all of these,
and even more!

The Powder Toy is a free physics sandbox game, which simulates air
pressure and velocity, heat, gravity and a countless number of
interactions between different substances! The game provides you
with various building materials, liquids, gases and electronic
components which can be used to construct complex machines, guns,
bombs, realistic terrains and almost anything else. You can then
mine them and watch cool explosions, add intricate wirings, play
with little stickmen or operate your machine. You can browse and
play thousands of different saves made by the community or upload
your own - we welcome your creations!