I love this idea, really creative and the result is a fun game. Fits the theme and all three wildcards without being forced. I don't know if it was a conscious design choice or not, but having that stepped diagonal pattern is some of the dungeon walls really helped me cover all the cells without looking at the coordinates (but that was a nice touch as well). Two things that I think need improvement is volume control for the sound (I ended up muting it, but having the option to just turn it down a notch would be better) and the font, I found it almost unreadable in the intro. But I struggled with these exact same issues myself (didn't even have the time to implement settings), so cheers!