**TL;DR:** uxn's spec is frozen + so's the ufx format [ufx](https://wiki.xxiivv.com/site/ufx_format.html) is a tile-based format that should be a good fit for this. It's mentioned in the README.md already, but we may as well just do it.
TL;DR: uxn's spec is frozen + so's the ufx format
ufx is a tile-based format that should be a good fit for this. It's mentioned in the README.md already, but we may as well just do it.