I also ran into the errors while extracting, but I picked to skip those files and it seemed to work and I was able to run your game.  I look forward to seeing the finished product.

I tried to download and extract it but kept running into a file system error. 

The game sounds interesting, so I'll have to check out where it goes after the jam. Good job on persevering and submitting, I know how hard it is when things aren't going well, and keeping it together enough to ship something, even if it isn't what you hope is commendable. 

its a really nice concept

Congrats on submitting to the jam! Over scoping is something that happens to even profession game developers so it seems like y'all learned a valuable lesson - and finishing and submitting is a huge accomplishment! Best of luck in your future game dev endeavors!