Unfortunately there is nowhere to embed any instructional here, but it'll work if you type a name in the left and hit return. That part isn't what is broken, just incomplete. The actual game once you get in, on the other hand...
Ah ok I was able to get it actually running, but I'm seeing what you mean :X
Can you share with me what your plans were as far as gameplay? I'm interested as it looks a lot like an RTS game, one of which I also submitted to the jam.