Independent publisher of PeepCode Screencasts
The missing top collision was an oversight (the code is there but not enabled), we only realized after time ended. It has one benefit though, you can escape being trapped underground :)
We use a textarea to allow writers to enter linebreaks (for example, in the prose and 3 word poem types).
Thanks for the vote!
Yep, I think better way to re-run the thing would be good. Thank you for the feedback.