Here's another powder simulation, https://powdertoy.co.uk/ https://powdertoy.co.uk/. This one still has an active community and development team, and people hav

Here's another powder simulation, https://powdertoy.co.uk/ https://powdertoy.co.uk/. This one still has an active community and development team, and people have built all kinds of cool things with it like actual computers that can be programmed with assembly.