Looks cool though, gunna give it a whirl on my Windows box.
Not long ago all the software one wanted to run[1] was only available on Windows. Then the Internet happened, then[2] the open source movement, then Apple's return from the brink of death. One doesn't need to be very old to know what it feels like.
[1] to a first approximation of "all"
[2] to a first approximation of "then"
You can probably compile it, you just need LLVM, and to compile "Copper" if I had to guess, then the source.