I used to love making marble runs, but then we got cats, and cats and marble runs cannot peacefully coexist in an apartment.
But now I have a Looking Glass and Unity! This was so much fun - I don’t understand why everybody isn’t just making marble runs all the time. It really needs sound design, but that’s a big job I’m putting off!
It doesn’t come across so well in a video - the marbles are small. So here’s a link to the executable: