Ha, I recall that a PhD student from Cambridge was doing something similar with Lin A/B , Phoenician etc but these are something else.
Look at that. Incredible. Looks like Babylonian creation myth, but I’m bad at this stuff.
I know what I’m making for Christmas now. Ostraka cookies ostracising my family. 
I’ve never done anything even remotely as imaginative out of gingerbread, but perhaps you’ll allow me to go off-topic a bit and boast about my own achievements. At Christmas time, I often make a gingerbread church; I know that I’m not the only one, but as far as I’m aware, I’m the only one whose churchyard always has gravestones on it (and one year, even a small mausoleum for a wealthier family). Here’s the 2011 edition:
I’ll leave Gilgamesh for someone else, but maybe I should try a Greek temple some time!