Being the germ of an implementation of the dungeon crawl solitaire game designed by Zach Gage and Kurt Bieg. The rules are available as a pdf from Zach's website, and there's a really nice explanatory video on YouTube

The gameplay loop is mostly there now, but it's still a pretty unintuitive and not even remotely self-explanatory cli, so the addition of a gui will be a priority soon (if not the next thing to work on)